-
Notifications
You must be signed in to change notification settings - Fork 7
/
Copy pathstdlib_bitsets_64.fypp.html
1300 lines (1257 loc) · 249 KB
/
stdlib_bitsets_64.fypp.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<!-- -*- mode: jinja2 -*- -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="A community driven standard library for (modern) Fortran">
<meta name="author" content="fortran-lang/stdlib contributors" >
<link rel="icon" href="../favicon.png">
<title>stdlib_bitsets_64.fypp – Fortran-lang/stdlib</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<link href="../css/pygments.css" rel="stylesheet">
<link href="../css/font-awesome.min.css" rel="stylesheet">
<link href="../css/local.css" rel="stylesheet">
<link href="../tipuesearch/tipuesearch.css" rel="stylesheet">
<script src="https://code.jquery.com/jquery-3.7.1.min.js" integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script>
<script src="../js/svg-pan-zoom.min.js"></script>
</head>
<body>
<!-- Fixed navbar -->
<div class="container-fluid mb-sm-4 mb-xl-2">
<nav class="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
<div class="container">
<a class="navbar-brand" href="../index.html">Fortran-lang/stdlib </a>
<button type="button" class="navbar-toggler" data-bs-toggle="collapse" data-bs-target="#navbar"
aria-expanded="false" aria-controls="navbar" aria-label="Toggle navigation">
<span class="navbar-toggler-icon">
</button>
<div id="navbar" class="navbar-collapse collapse">
<ul class="navbar-nav">
<li class="nav-item"><a class="nav-link" href="../page/index.html">Contributing and specs</a></li>
<li class="nav-item">
<a class="nav-link" href="../lists/files.html">Source Files</a>
</li>
<li class="nav-item">
<a class="nav-link" href="../lists/modules.html">Modules</a>
</li>
<li class="nav-item">
<a class="nav-link" href="../lists/procedures.html">Procedures</a>
</li>
<li class="nav-item">
<a class="nav-link" href="../lists/absint.html">Abstract Interfaces</a>
</li>
<li class="nav-item">
<a class="nav-link" href="../lists/types.html">Derived Types</a>
</li>
</ul>
<div class="d-flex align-items-end flex-grow-1">
<form action="../search.html" role="search" class="ms-auto">
<input type="text" class="form-control" aria-label="Search" placeholder="Search" name="q" id="tipue_search_input" autocomplete="off" required>
</form>
</div>
</div><!--/.nav-collapse -->
</div>
</nav>
</div>
<div class="container">
<div class="row">
<h1>stdlib_bitsets_64.fypp
<small>Source File</small>
</h1>
<div class="container p-2 mb-4 bg-light border rounded-3">
<div class="row align-items-center justify-content-between" id="info-bar">
<div class="col">
<ul class="list-inline" style="margin-bottom:0px;display:inline">
<li class="list-inline-item" id="meta-license"><i class="fa fa-legal"></i> <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/80x15.png" /></a></li>
<li class="list-inline-item" id="statements"><i class="fa fa-list-ol"></i>
<a data-bs-toggle="tooltip"
data-bs-placement="bottom" data-html="true"
title=" 0.2% of total for source files.">646 statements</a>
</li>
<li class="list-inline-item" id="source-file">
<i class="fa fa-code"></i>
<a href="../src/stdlib_bitsets_64.fypp"> Source File</a>
</li>
</ul>
</div>
<div class="col">
<nav aria-label="breadcrumb">
<ol class="breadcrumb justify-content-end mb-0">
<li class="breadcrumb-item active" aria-current="page">stdlib_bitsets_64.fypp</li>
</ol>
</nav>
</div>
</div>
</div>
<script>
$(function () {
$('[data-bs-toggle="tooltip"]').tooltip()
})
</script>
</div>
<div class="row">
<div class="col-md-3 hidden-xs hidden-sm visible-md visible-lg">
<div id="sidebar">
<h3>Contents</h3>
<div class="card mb-4">
<a data-bs-toggle="collapse" href="#submods-0"
aria-expanded="false" aria-controls="submods-0">
<h4 class="card-header bg-primary text-white">Submodules</h4>
</a>
<div id="submods-0" class="collapse">
<div class="list-group list-group-flush">
<a class="list-group-item" href="../module/stdlib_bitsets_64.html">stdlib_bitsets_64</a>
</div>
</div>
</div>
<div class="card card-primary">
<div class="card-header text-left"><h3 class="card-title">Source Code</h3></div>
<div class="list-group">
<a class="list-group-item" href="../sourcefile/stdlib_bitsets_64.fypp.html#src">stdlib_bitsets_64.fypp</a>
</div>
</div>
</div>
</div>
<div class="col-md-9" id='text'>
<br>
<section>
<h2><span class="anchor" id="src"></span>Source Code</h2>
<div class="hl codehilite"><pre><span></span><a id="ln-1" name="ln-1" href="#ln-1"></a><span class="cp">#:include "common.fypp"</span>
<a id="ln-2" name="ln-2" href="#ln-2"></a><span class="k">submodule</span><span class="p">(</span><span class="n">stdlib_bitsets</span><span class="p">)</span><span class="w"> </span><span class="n">stdlib_bitsets_64</span>
<a id="ln-3" name="ln-3" href="#ln-3"></a><span class="w"> </span><span class="k">implicit none</span>
<a id="ln-4" name="ln-4" href="#ln-4"></a>
<a id="ln-5" name="ln-5" href="#ln-5"></a><span class="k">contains</span>
<a id="ln-6" name="ln-6" href="#ln-6"></a>
<a id="ln-7" name="ln-7" href="#ln-7"></a><span class="k"> elemental module function </span><span class="n">all_64</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="k">all</span><span class="p">)</span>
<a id="ln-8" name="ln-8" href="#ln-8"></a><span class="c">! Returns .TRUE. if all bits in SELF are 1, .FALSE. otherwise.</span>
<a id="ln-9" name="ln-9" href="#ln-9"></a><span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="k">all</span>
<a id="ln-10" name="ln-10" href="#ln-10"></a><span class="k"> class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-11" name="ln-11" href="#ln-11"></a>
<a id="ln-12" name="ln-12" href="#ln-12"></a><span class="w"> </span><span class="k">intrinsic</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="nb">btest</span>
<a id="ln-13" name="ln-13" href="#ln-13"></a><span class="nb"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">pos</span>
<a id="ln-14" name="ln-14" href="#ln-14"></a>
<a id="ln-15" name="ln-15" href="#ln-15"></a><span class="w"> </span><span class="k">do </span><span class="n">pos</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-16" name="ln-16" href="#ln-16"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="p">.</span><span class="nb">not</span><span class="p">.</span><span class="w"> </span><span class="nb">btest</span><span class="p">(</span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">pos</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-17" name="ln-17" href="#ln-17"></a><span class="k"> all</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">false</span><span class="p">.</span>
<a id="ln-18" name="ln-18" href="#ln-18"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-19" name="ln-19" href="#ln-19"></a><span class="k"> end if</span>
<a id="ln-20" name="ln-20" href="#ln-20"></a><span class="k"> end do</span>
<a id="ln-21" name="ln-21" href="#ln-21"></a><span class="k"> all</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">true</span><span class="p">.</span>
<a id="ln-22" name="ln-22" href="#ln-22"></a>
<a id="ln-23" name="ln-23" href="#ln-23"></a><span class="w"> </span><span class="k">end function </span><span class="n">all_64</span>
<a id="ln-24" name="ln-24" href="#ln-24"></a>
<a id="ln-25" name="ln-25" href="#ln-25"></a>
<a id="ln-26" name="ln-26" href="#ln-26"></a><span class="w"> </span><span class="k">elemental module subroutine </span><span class="n">and_64</span><span class="p">(</span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="p">)</span>
<a id="ln-27" name="ln-27" href="#ln-27"></a><span class="c">!</span>
<a id="ln-28" name="ln-28" href="#ln-28"></a><span class="c">! Sets the bits in SET1 to the bitwise AND of the original bits in SET1</span>
<a id="ln-29" name="ln-29" href="#ln-29"></a><span class="c">! and SET2. It is required that SET1 have the same number of bits as</span>
<a id="ln-30" name="ln-30" href="#ln-30"></a><span class="c">! SET2 otherwise the result is undefined.</span>
<a id="ln-31" name="ln-31" href="#ln-31"></a><span class="c">!</span>
<a id="ln-32" name="ln-32" href="#ln-32"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">inout</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set1</span>
<a id="ln-33" name="ln-33" href="#ln-33"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set2</span>
<a id="ln-34" name="ln-34" href="#ln-34"></a>
<a id="ln-35" name="ln-35" href="#ln-35"></a><span class="c">! The set2 extent includes the entire extent of set1.</span>
<a id="ln-36" name="ln-36" href="#ln-36"></a><span class="c">! The (zeroed) region past the end of set1 is unaffected by</span>
<a id="ln-37" name="ln-37" href="#ln-37"></a><span class="c">! the iand.</span>
<a id="ln-38" name="ln-38" href="#ln-38"></a><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">iand</span><span class="p">(</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-39" name="ln-39" href="#ln-39"></a><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="p">)</span>
<a id="ln-40" name="ln-40" href="#ln-40"></a>
<a id="ln-41" name="ln-41" href="#ln-41"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">and_64</span>
<a id="ln-42" name="ln-42" href="#ln-42"></a>
<a id="ln-43" name="ln-43" href="#ln-43"></a>
<a id="ln-44" name="ln-44" href="#ln-44"></a><span class="w"> </span><span class="k">elemental module subroutine </span><span class="n">and_not_64</span><span class="p">(</span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="p">)</span>
<a id="ln-45" name="ln-45" href="#ln-45"></a><span class="c">!</span>
<a id="ln-46" name="ln-46" href="#ln-46"></a><span class="c">! Sets the bits in SET1 to the bitwise and of the original bits in SET1</span>
<a id="ln-47" name="ln-47" href="#ln-47"></a><span class="c">! with the bitwise negation of SET2. SET1 and SET2 must have the same</span>
<a id="ln-48" name="ln-48" href="#ln-48"></a><span class="c">! number of bits otherwise the result is undefined.</span>
<a id="ln-49" name="ln-49" href="#ln-49"></a><span class="c">!</span>
<a id="ln-50" name="ln-50" href="#ln-50"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">inout</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set1</span>
<a id="ln-51" name="ln-51" href="#ln-51"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set2</span>
<a id="ln-52" name="ln-52" href="#ln-52"></a>
<a id="ln-53" name="ln-53" href="#ln-53"></a><span class="c">! The not with iand means that the zero'ed regions past the end of each set</span>
<a id="ln-54" name="ln-54" href="#ln-54"></a><span class="c">! do not interact with the in set regions</span>
<a id="ln-55" name="ln-55" href="#ln-55"></a><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">iand</span><span class="p">(</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="nb">not</span><span class="p">(</span><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">)</span>
<a id="ln-56" name="ln-56" href="#ln-56"></a>
<a id="ln-57" name="ln-57" href="#ln-57"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">and_not_64</span>
<a id="ln-58" name="ln-58" href="#ln-58"></a>
<a id="ln-59" name="ln-59" href="#ln-59"></a>
<a id="ln-60" name="ln-60" href="#ln-60"></a><span class="w"> </span><span class="k">elemental module function </span><span class="n">any_64</span><span class="p">(</span><span class="n">self</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="nb">any</span><span class="p">)</span>
<a id="ln-61" name="ln-61" href="#ln-61"></a><span class="c">! Returns .TRUE. if any bit in SELF is 1, .FALSE. otherwise.</span>
<a id="ln-62" name="ln-62" href="#ln-62"></a><span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="nb">any</span>
<a id="ln-63" name="ln-63" href="#ln-63"></a><span class="nb"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-64" name="ln-64" href="#ln-64"></a>
<a id="ln-65" name="ln-65" href="#ln-65"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-66" name="ln-66" href="#ln-66"></a><span class="k"> </span><span class="nb">any</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">true</span><span class="p">.</span>
<a id="ln-67" name="ln-67" href="#ln-67"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-68" name="ln-68" href="#ln-68"></a><span class="k"> else</span>
<a id="ln-69" name="ln-69" href="#ln-69"></a><span class="k"> </span><span class="nb">any</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">false</span><span class="p">.</span>
<a id="ln-70" name="ln-70" href="#ln-70"></a><span class="w"> </span><span class="k">end if</span>
<a id="ln-71" name="ln-71" href="#ln-71"></a>
<a id="ln-72" name="ln-72" href="#ln-72"></a><span class="k"> end function </span><span class="n">any_64</span>
<a id="ln-73" name="ln-73" href="#ln-73"></a>
<a id="ln-74" name="ln-74" href="#ln-74"></a>
<a id="ln-75" name="ln-75" href="#ln-75"></a>
<a id="ln-76" name="ln-76" href="#ln-76"></a>
<a id="ln-77" name="ln-77" href="#ln-77"></a><span class="w"> </span><span class="err">#</span><span class="p">:</span><span class="n">for</span><span class="w"> </span><span class="n">k1</span><span class="w"> </span><span class="n">in</span><span class="w"> </span><span class="n">INT_KINDS</span>
<a id="ln-78" name="ln-78" href="#ln-78"></a><span class="w"> </span><span class="k">module subroutine </span><span class="n">assign_log$</span><span class="err">{</span><span class="n">k1</span><span class="err">}$_</span><span class="mi">64</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">logical_vector</span><span class="w"> </span><span class="p">)</span>
<a id="ln-79" name="ln-79" href="#ln-79"></a><span class="c">! Used to define assignment from an array of type logical for bitset_64</span>
<a id="ln-80" name="ln-80" href="#ln-80"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-81" name="ln-81" href="#ln-81"></a><span class="w"> </span><span class="kt">logical</span><span class="p">(</span><span class="err">${</span><span class="n">k1</span><span class="err">}$</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">logical_vector</span><span class="p">(:)</span>
<a id="ln-82" name="ln-82" href="#ln-82"></a>
<a id="ln-83" name="ln-83" href="#ln-83"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">log_size</span>
<a id="ln-84" name="ln-84" href="#ln-84"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="nb">index</span>
<a id="ln-85" name="ln-85" href="#ln-85"></a>
<a id="ln-86" name="ln-86" href="#ln-86"></a><span class="nb"> </span><span class="n">log_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">size</span><span class="p">(</span><span class="w"> </span><span class="n">logical_vector</span><span class="p">,</span><span class="w"> </span><span class="nb">kind</span><span class="o">=</span><span class="n">bits_kind</span><span class="w"> </span><span class="p">)</span>
<a id="ln-87" name="ln-87" href="#ln-87"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">log_size</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="mi">64</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-88" name="ln-88" href="#ln-88"></a><span class="k"> error stop </span><span class="n">module_name</span><span class="w"> </span><span class="o">//</span><span class="w"> </span><span class="s1">' % '</span><span class="w"> </span><span class="o">//</span><span class="w"> </span><span class="s1">'ASSIGNMENT'</span><span class="w"> </span><span class="o">//</span><span class="w"> </span><span class="s2">" has "</span><span class="w"> </span><span class="o">//</span><span class="w"> </span><span class="p">&</span>
<a id="ln-89" name="ln-89" href="#ln-89"></a><span class="w"> </span><span class="s2">"SIZE(LOGICAL_VECTOR) > 64 with assignment to a BITSET_64."</span>
<a id="ln-90" name="ln-90" href="#ln-90"></a><span class="w"> </span><span class="k">end if</span>
<a id="ln-91" name="ln-91" href="#ln-91"></a><span class="k"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">log_size</span>
<a id="ln-92" name="ln-92" href="#ln-92"></a><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="ln-93" name="ln-93" href="#ln-93"></a>
<a id="ln-94" name="ln-94" href="#ln-94"></a><span class="w"> </span><span class="k">do </span><span class="nb">index</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="n">log_size</span><span class="o">-</span><span class="mi">1</span>
<a id="ln-95" name="ln-95" href="#ln-95"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">logical_vector</span><span class="p">(</span><span class="nb">index</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-96" name="ln-96" href="#ln-96"></a><span class="k"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">ibset</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="nb">index</span><span class="w"> </span><span class="p">)</span>
<a id="ln-97" name="ln-97" href="#ln-97"></a><span class="w"> </span><span class="k">end if</span>
<a id="ln-98" name="ln-98" href="#ln-98"></a><span class="k"> end do</span>
<a id="ln-99" name="ln-99" href="#ln-99"></a>
<a id="ln-100" name="ln-100" href="#ln-100"></a><span class="k"> end subroutine </span><span class="n">assign_log$</span><span class="err">{</span><span class="n">k1</span><span class="err">}$_</span><span class="mi">64</span>
<a id="ln-101" name="ln-101" href="#ln-101"></a>
<a id="ln-102" name="ln-102" href="#ln-102"></a>
<a id="ln-103" name="ln-103" href="#ln-103"></a><span class="w"> </span><span class="k">pure module subroutine </span><span class="nb">log</span><span class="err">${</span><span class="n">k1</span><span class="err">}$_</span><span class="n">assign_64</span><span class="p">(</span><span class="w"> </span><span class="n">logical_vector</span><span class="p">,</span><span class="w"> </span><span class="n">set</span><span class="w"> </span><span class="p">)</span>
<a id="ln-104" name="ln-104" href="#ln-104"></a><span class="c">! Used to define assignment to an array of type logical for bitset_64</span>
<a id="ln-105" name="ln-105" href="#ln-105"></a><span class="w"> </span><span class="kt">logical</span><span class="p">(</span><span class="err">${</span><span class="n">k1</span><span class="err">}$</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="k">allocatable</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">logical_vector</span><span class="p">(:)</span>
<a id="ln-106" name="ln-106" href="#ln-106"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set</span>
<a id="ln-107" name="ln-107" href="#ln-107"></a>
<a id="ln-108" name="ln-108" href="#ln-108"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="nb">index</span>
<a id="ln-109" name="ln-109" href="#ln-109"></a>
<a id="ln-110" name="ln-110" href="#ln-110"></a><span class="nb"> </span><span class="k">allocate</span><span class="p">(</span><span class="w"> </span><span class="n">logical_vector</span><span class="p">(</span><span class="w"> </span><span class="n">set</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">)</span>
<a id="ln-111" name="ln-111" href="#ln-111"></a><span class="w"> </span><span class="k">do </span><span class="nb">index</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="n">set</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="o">-</span><span class="mi">1</span>
<a id="ln-112" name="ln-112" href="#ln-112"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">set</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">value</span><span class="p">(</span><span class="w"> </span><span class="nb">index</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-113" name="ln-113" href="#ln-113"></a><span class="k"> </span><span class="n">logical_vector</span><span class="p">(</span><span class="nb">index</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">true</span><span class="p">.</span>
<a id="ln-114" name="ln-114" href="#ln-114"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-115" name="ln-115" href="#ln-115"></a><span class="k"> </span><span class="n">logical_vector</span><span class="p">(</span><span class="nb">index</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">false</span><span class="p">.</span>
<a id="ln-116" name="ln-116" href="#ln-116"></a><span class="w"> </span><span class="k">end if</span>
<a id="ln-117" name="ln-117" href="#ln-117"></a><span class="k"> end do</span>
<a id="ln-118" name="ln-118" href="#ln-118"></a>
<a id="ln-119" name="ln-119" href="#ln-119"></a><span class="k"> end subroutine </span><span class="nb">log</span><span class="err">${</span><span class="n">k1</span><span class="err">}$_</span><span class="n">assign_64</span>
<a id="ln-120" name="ln-120" href="#ln-120"></a><span class="w"> </span><span class="err">#</span><span class="p">:</span><span class="n">endfor</span>
<a id="ln-121" name="ln-121" href="#ln-121"></a>
<a id="ln-122" name="ln-122" href="#ln-122"></a>
<a id="ln-123" name="ln-123" href="#ln-123"></a><span class="w"> </span><span class="k">elemental module function </span><span class="n">bit_count_64</span><span class="p">(</span><span class="n">self</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="n">bit_count</span><span class="p">)</span>
<a id="ln-124" name="ln-124" href="#ln-124"></a><span class="c">! Returns the number of non-zero bits in SELF.</span>
<a id="ln-125" name="ln-125" href="#ln-125"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">bit_count</span>
<a id="ln-126" name="ln-126" href="#ln-126"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-127" name="ln-127" href="#ln-127"></a>
<a id="ln-128" name="ln-128" href="#ln-128"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">pos</span>
<a id="ln-129" name="ln-129" href="#ln-129"></a>
<a id="ln-130" name="ln-130" href="#ln-130"></a><span class="w"> </span><span class="n">bit_count</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="ln-131" name="ln-131" href="#ln-131"></a>
<a id="ln-132" name="ln-132" href="#ln-132"></a><span class="w"> </span><span class="k">do </span><span class="n">pos</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-133" name="ln-133" href="#ln-133"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">btest</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="n">bit_count</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">bit_count</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-134" name="ln-134" href="#ln-134"></a><span class="w"> </span><span class="k">end do</span>
<a id="ln-135" name="ln-135" href="#ln-135"></a>
<a id="ln-136" name="ln-136" href="#ln-136"></a><span class="k"> end function </span><span class="n">bit_count_64</span>
<a id="ln-137" name="ln-137" href="#ln-137"></a>
<a id="ln-138" name="ln-138" href="#ln-138"></a>
<a id="ln-139" name="ln-139" href="#ln-139"></a><span class="w"> </span><span class="k">elemental module subroutine </span><span class="n">clear_bit_64</span><span class="p">(</span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">pos</span><span class="p">)</span>
<a id="ln-140" name="ln-140" href="#ln-140"></a><span class="c">!</span>
<a id="ln-141" name="ln-141" href="#ln-141"></a><span class="c">! Sets to zero the POS position in SELF. If POS is less than zero or</span>
<a id="ln-142" name="ln-142" href="#ln-142"></a><span class="c">! greater than BITS(SELF)-1 it is ignored.</span>
<a id="ln-143" name="ln-143" href="#ln-143"></a><span class="c">!</span>
<a id="ln-144" name="ln-144" href="#ln-144"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">inout</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-145" name="ln-145" href="#ln-145"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">pos</span>
<a id="ln-146" name="ln-146" href="#ln-146"></a>
<a id="ln-147" name="ln-147" href="#ln-147"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">.</span><span class="nb">OR</span><span class="p">.</span><span class="w"> </span><span class="p">(</span><span class="n">pos</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">&</span>
<a id="ln-148" name="ln-148" href="#ln-148"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-149" name="ln-149" href="#ln-149"></a><span class="k"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">ibclr</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="p">)</span>
<a id="ln-150" name="ln-150" href="#ln-150"></a>
<a id="ln-151" name="ln-151" href="#ln-151"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">clear_bit_64</span>
<a id="ln-152" name="ln-152" href="#ln-152"></a>
<a id="ln-153" name="ln-153" href="#ln-153"></a>
<a id="ln-154" name="ln-154" href="#ln-154"></a><span class="w"> </span><span class="k">pure module subroutine </span><span class="n">clear_range_64</span><span class="p">(</span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">start_pos</span><span class="p">,</span><span class="w"> </span><span class="n">stop_pos</span><span class="p">)</span>
<a id="ln-155" name="ln-155" href="#ln-155"></a><span class="c">!</span>
<a id="ln-156" name="ln-156" href="#ln-156"></a><span class="c">! Sets to zero all bits from the START_POS to STOP_POS positions in SELF.</span>
<a id="ln-157" name="ln-157" href="#ln-157"></a><span class="c">! If STOP_POS < START_POS then no bits are modified. Positions outside</span>
<a id="ln-158" name="ln-158" href="#ln-158"></a><span class="c">! the range 0 to BITS(SELF)-1 are ignored.</span>
<a id="ln-159" name="ln-159" href="#ln-159"></a><span class="c">!</span>
<a id="ln-160" name="ln-160" href="#ln-160"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">inout</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-161" name="ln-161" href="#ln-161"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">start_pos</span><span class="p">,</span><span class="w"> </span><span class="n">stop_pos</span>
<a id="ln-162" name="ln-162" href="#ln-162"></a>
<a id="ln-163" name="ln-163" href="#ln-163"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">true_first</span><span class="p">,</span><span class="w"> </span><span class="n">true_last</span>
<a id="ln-164" name="ln-164" href="#ln-164"></a>
<a id="ln-165" name="ln-165" href="#ln-165"></a><span class="w"> </span><span class="n">true_first</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">max</span><span class="p">(</span><span class="w"> </span><span class="mi">0_bits_kind</span><span class="p">,</span><span class="w"> </span><span class="n">start_pos</span><span class="w"> </span><span class="p">)</span>
<a id="ln-166" name="ln-166" href="#ln-166"></a><span class="w"> </span><span class="n">true_last</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">min</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="n">stop_pos</span><span class="w"> </span><span class="p">)</span>
<a id="ln-167" name="ln-167" href="#ln-167"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">true_last</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">true_first</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">return</span>
<a id="ln-168" name="ln-168" href="#ln-168"></a>
<a id="ln-169" name="ln-169" href="#ln-169"></a><span class="k"> call </span><span class="nb">mvbits</span><span class="p">(</span><span class="w"> </span><span class="n">all_zeros</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-170" name="ln-170" href="#ln-170"></a><span class="w"> </span><span class="n">true_first</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-171" name="ln-171" href="#ln-171"></a><span class="w"> </span><span class="n">true_last</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">true_first</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-172" name="ln-172" href="#ln-172"></a><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-173" name="ln-173" href="#ln-173"></a><span class="w"> </span><span class="n">true_first</span><span class="w"> </span><span class="p">)</span>
<a id="ln-174" name="ln-174" href="#ln-174"></a>
<a id="ln-175" name="ln-175" href="#ln-175"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">clear_range_64</span>
<a id="ln-176" name="ln-176" href="#ln-176"></a>
<a id="ln-177" name="ln-177" href="#ln-177"></a>
<a id="ln-178" name="ln-178" href="#ln-178"></a><span class="w"> </span><span class="k">elemental module function </span><span class="n">eqv_64</span><span class="p">(</span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="n">eqv</span><span class="p">)</span>
<a id="ln-179" name="ln-179" href="#ln-179"></a><span class="c">!</span>
<a id="ln-180" name="ln-180" href="#ln-180"></a><span class="c">! Returns .TRUE. if all bits in SET1 and SET2 have the same value,</span>
<a id="ln-181" name="ln-181" href="#ln-181"></a><span class="c">! .FALSE. otherwise. The sets must have the same number of bits</span>
<a id="ln-182" name="ln-182" href="#ln-182"></a><span class="c">! otherwise the results are undefined.</span>
<a id="ln-183" name="ln-183" href="#ln-183"></a><span class="c">!</span>
<a id="ln-184" name="ln-184" href="#ln-184"></a><span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">eqv</span>
<a id="ln-185" name="ln-185" href="#ln-185"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span>
<a id="ln-186" name="ln-186" href="#ln-186"></a>
<a id="ln-187" name="ln-187" href="#ln-187"></a><span class="w"> </span><span class="n">eqv</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span>
<a id="ln-188" name="ln-188" href="#ln-188"></a>
<a id="ln-189" name="ln-189" href="#ln-189"></a><span class="k"> end function </span><span class="n">eqv_64</span>
<a id="ln-190" name="ln-190" href="#ln-190"></a>
<a id="ln-191" name="ln-191" href="#ln-191"></a>
<a id="ln-192" name="ln-192" href="#ln-192"></a><span class="w"> </span><span class="k">module subroutine </span><span class="n">extract_64</span><span class="p">(</span><span class="n">new</span><span class="p">,</span><span class="w"> </span><span class="n">old</span><span class="p">,</span><span class="w"> </span><span class="n">start_pos</span><span class="p">,</span><span class="w"> </span><span class="n">stop_pos</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">)</span>
<a id="ln-193" name="ln-193" href="#ln-193"></a><span class="c">! Creates a new bitset, NEW, from a range, START_POS to STOP_POS, in bitset</span>
<a id="ln-194" name="ln-194" href="#ln-194"></a><span class="c">! OLD. If START_POS is greater than STOP_POS the new bitset is empty.</span>
<a id="ln-195" name="ln-195" href="#ln-195"></a><span class="c">! If START_POS is less than zero or STOP_POS is greater than BITS(OLD)-1</span>
<a id="ln-196" name="ln-196" href="#ln-196"></a><span class="c">! then if STATUS is present it has the value INDEX_INVALID_ERROR,</span>
<a id="ln-197" name="ln-197" href="#ln-197"></a><span class="c">! otherwise processing stops with an informative message.</span>
<a id="ln-198" name="ln-198" href="#ln-198"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">new</span>
<a id="ln-199" name="ln-199" href="#ln-199"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">old</span>
<a id="ln-200" name="ln-200" href="#ln-200"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">start_pos</span><span class="p">,</span><span class="w"> </span><span class="n">stop_pos</span>
<a id="ln-201" name="ln-201" href="#ln-201"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="k">optional</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">status</span>
<a id="ln-202" name="ln-202" href="#ln-202"></a>
<a id="ln-203" name="ln-203" href="#ln-203"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">bits</span><span class="p">,</span><span class="w"> </span><span class="n">i</span><span class="p">,</span><span class="w"> </span><span class="n">k</span>
<a id="ln-204" name="ln-204" href="#ln-204"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="o">*</span><span class="p">),</span><span class="w"> </span><span class="k">parameter</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'EXTRACT'</span>
<a id="ln-205" name="ln-205" href="#ln-205"></a>
<a id="ln-206" name="ln-206" href="#ln-206"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">start_pos</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-207" name="ln-207" href="#ln-207"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'had a START_POS less than 0.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-208" name="ln-208" href="#ln-208"></a><span class="w"> </span><span class="n">index_invalid_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-209" name="ln-209" href="#ln-209"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-210" name="ln-210" href="#ln-210"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-211" name="ln-211" href="#ln-211"></a><span class="k"> end if</span>
<a id="ln-212" name="ln-212" href="#ln-212"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">stop_pos</span><span class="w"> </span><span class="o">>=</span><span class="w"> </span><span class="n">old</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-213" name="ln-213" href="#ln-213"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'had a STOP_POS greater than BITS(OLD)-1.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-214" name="ln-214" href="#ln-214"></a><span class="w"> </span><span class="n">index_invalid_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-215" name="ln-215" href="#ln-215"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-216" name="ln-216" href="#ln-216"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-217" name="ln-217" href="#ln-217"></a><span class="k"> end if</span>
<a id="ln-218" name="ln-218" href="#ln-218"></a><span class="k"> </span><span class="n">bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">stop_pos</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">start_pos</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-219" name="ln-219" href="#ln-219"></a>
<a id="ln-220" name="ln-220" href="#ln-220"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o"><=</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-221" name="ln-221" href="#ln-221"></a><span class="k"> </span><span class="n">new</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="ln-222" name="ln-222" href="#ln-222"></a><span class="w"> </span><span class="n">new</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="ln-223" name="ln-223" href="#ln-223"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-224" name="ln-224" href="#ln-224"></a><span class="k"> else</span>
<a id="ln-225" name="ln-225" href="#ln-225"></a><span class="k"> </span><span class="n">new</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">bits</span>
<a id="ln-226" name="ln-226" href="#ln-226"></a><span class="w"> </span><span class="k">do </span><span class="n">i</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="n">bits</span><span class="o">-</span><span class="mi">1</span>
<a id="ln-227" name="ln-227" href="#ln-227"></a><span class="w"> </span><span class="n">k</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">start_pos</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">i</span>
<a id="ln-228" name="ln-228" href="#ln-228"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">btest</span><span class="p">(</span><span class="w"> </span><span class="n">old</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">k</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">&</span>
<a id="ln-229" name="ln-229" href="#ln-229"></a><span class="w"> </span><span class="n">new</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">ibset</span><span class="p">(</span><span class="n">new</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">i</span><span class="p">)</span>
<a id="ln-230" name="ln-230" href="#ln-230"></a><span class="w"> </span><span class="k">end do</span>
<a id="ln-231" name="ln-231" href="#ln-231"></a><span class="k"> end if</span>
<a id="ln-232" name="ln-232" href="#ln-232"></a>
<a id="ln-233" name="ln-233" href="#ln-233"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">present</span><span class="p">(</span><span class="n">status</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="n">status</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">success</span>
<a id="ln-234" name="ln-234" href="#ln-234"></a>
<a id="ln-235" name="ln-235" href="#ln-235"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">extract_64</span>
<a id="ln-236" name="ln-236" href="#ln-236"></a>
<a id="ln-237" name="ln-237" href="#ln-237"></a>
<a id="ln-238" name="ln-238" href="#ln-238"></a><span class="w"> </span><span class="k">elemental module subroutine </span><span class="n">flip_bit_64</span><span class="p">(</span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">pos</span><span class="p">)</span>
<a id="ln-239" name="ln-239" href="#ln-239"></a><span class="c">!</span>
<a id="ln-240" name="ln-240" href="#ln-240"></a><span class="c">! Flips the value at the POS position in SELF, provided the position is</span>
<a id="ln-241" name="ln-241" href="#ln-241"></a><span class="c">! valid. If POS is less than 0 or greater than BITS(SELF)-1, no value is</span>
<a id="ln-242" name="ln-242" href="#ln-242"></a><span class="c">! changed.</span>
<a id="ln-243" name="ln-243" href="#ln-243"></a><span class="c">!</span>
<a id="ln-244" name="ln-244" href="#ln-244"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">inout</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-245" name="ln-245" href="#ln-245"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">pos</span>
<a id="ln-246" name="ln-246" href="#ln-246"></a>
<a id="ln-247" name="ln-247" href="#ln-247"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">.</span><span class="nb">OR</span><span class="p">.</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="o">-</span><span class="mi">1</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">return</span>
<a id="ln-248" name="ln-248" href="#ln-248"></a>
<a id="ln-249" name="ln-249" href="#ln-249"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">btest</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-250" name="ln-250" href="#ln-250"></a><span class="k"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">ibclr</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="p">)</span>
<a id="ln-251" name="ln-251" href="#ln-251"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-252" name="ln-252" href="#ln-252"></a><span class="k"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">ibset</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="p">)</span>
<a id="ln-253" name="ln-253" href="#ln-253"></a><span class="w"> </span><span class="k">end if</span>
<a id="ln-254" name="ln-254" href="#ln-254"></a>
<a id="ln-255" name="ln-255" href="#ln-255"></a><span class="k"> end subroutine </span><span class="n">flip_bit_64</span>
<a id="ln-256" name="ln-256" href="#ln-256"></a>
<a id="ln-257" name="ln-257" href="#ln-257"></a>
<a id="ln-258" name="ln-258" href="#ln-258"></a><span class="w"> </span><span class="k">pure module subroutine </span><span class="n">flip_range_64</span><span class="p">(</span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">start_pos</span><span class="p">,</span><span class="w"> </span><span class="n">stop_pos</span><span class="p">)</span>
<a id="ln-259" name="ln-259" href="#ln-259"></a><span class="c">!</span>
<a id="ln-260" name="ln-260" href="#ln-260"></a><span class="c">! Flips all valid bits from the START_POS to the STOP_POS positions in</span>
<a id="ln-261" name="ln-261" href="#ln-261"></a><span class="c">! SELF. If STOP_POS < START_POS no bits are flipped. Positions less than</span>
<a id="ln-262" name="ln-262" href="#ln-262"></a><span class="c">! 0 or greater than BITS(SELF)-1 are ignored.</span>
<a id="ln-263" name="ln-263" href="#ln-263"></a><span class="c">!</span>
<a id="ln-264" name="ln-264" href="#ln-264"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">inout</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-265" name="ln-265" href="#ln-265"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">start_pos</span><span class="p">,</span><span class="w"> </span><span class="n">stop_pos</span>
<a id="ln-266" name="ln-266" href="#ln-266"></a>
<a id="ln-267" name="ln-267" href="#ln-267"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">end_bit</span><span class="p">,</span><span class="w"> </span><span class="n">start_bit</span>
<a id="ln-268" name="ln-268" href="#ln-268"></a>
<a id="ln-269" name="ln-269" href="#ln-269"></a><span class="w"> </span><span class="n">start_bit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">max</span><span class="p">(</span><span class="w"> </span><span class="mi">0_bits_kind</span><span class="p">,</span><span class="w"> </span><span class="n">start_pos</span><span class="w"> </span><span class="p">)</span>
<a id="ln-270" name="ln-270" href="#ln-270"></a><span class="w"> </span><span class="n">end_bit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">min</span><span class="p">(</span><span class="w"> </span><span class="n">stop_pos</span><span class="w"> </span><span class="p">,</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="o">-</span><span class="mi">1</span><span class="w"> </span><span class="p">)</span>
<a id="ln-271" name="ln-271" href="#ln-271"></a><span class="w"> </span><span class="k">call </span><span class="nb">mvbits</span><span class="p">(</span><span class="w"> </span><span class="nb">not</span><span class="p">(</span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">),</span><span class="w"> </span><span class="p">&</span>
<a id="ln-272" name="ln-272" href="#ln-272"></a><span class="w"> </span><span class="n">start_bit</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-273" name="ln-273" href="#ln-273"></a><span class="w"> </span><span class="n">end_bit</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">start_bit</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-274" name="ln-274" href="#ln-274"></a><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-275" name="ln-275" href="#ln-275"></a><span class="w"> </span><span class="n">start_bit</span><span class="w"> </span><span class="p">)</span>
<a id="ln-276" name="ln-276" href="#ln-276"></a>
<a id="ln-277" name="ln-277" href="#ln-277"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">flip_range_64</span>
<a id="ln-278" name="ln-278" href="#ln-278"></a>
<a id="ln-279" name="ln-279" href="#ln-279"></a>
<a id="ln-280" name="ln-280" href="#ln-280"></a><span class="w"> </span><span class="k">module subroutine </span><span class="n">from_string_64</span><span class="p">(</span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">string</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">)</span>
<a id="ln-281" name="ln-281" href="#ln-281"></a><span class="c">! Initializes the bitset `self` treating `string` as a binary literal</span>
<a id="ln-282" name="ln-282" href="#ln-282"></a><span class="c">! `status` may have the values:</span>
<a id="ln-283" name="ln-283" href="#ln-283"></a><span class="c">! `success` - if no problems were found,</span>
<a id="ln-284" name="ln-284" href="#ln-284"></a><span class="c">! `alloc_fault` - if allocation of the bitset failed</span>
<a id="ln-285" name="ln-285" href="#ln-285"></a><span class="c">! `char_string_too_large_error` - if `string` was too large, or</span>
<a id="ln-286" name="ln-286" href="#ln-286"></a><span class="c">! `char_string_invalid_error` - if string had an invalid character.</span>
<a id="ln-287" name="ln-287" href="#ln-287"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-288" name="ln-288" href="#ln-288"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="o">*</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">string</span>
<a id="ln-289" name="ln-289" href="#ln-289"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="k">optional</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">status</span>
<a id="ln-290" name="ln-290" href="#ln-290"></a>
<a id="ln-291" name="ln-291" href="#ln-291"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="o">*</span><span class="p">),</span><span class="w"> </span><span class="k">parameter</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'FROM_STRING'</span>
<a id="ln-292" name="ln-292" href="#ln-292"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">int64</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">bit</span>
<a id="ln-293" name="ln-293" href="#ln-293"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">int64</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">bits</span>
<a id="ln-294" name="ln-294" href="#ln-294"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="nb">char</span>
<a id="ln-295" name="ln-295" href="#ln-295"></a>
<a id="ln-296" name="ln-296" href="#ln-296"></a><span class="nb"> </span><span class="n">bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">len</span><span class="p">(</span><span class="n">string</span><span class="p">,</span><span class="w"> </span><span class="nb">kind</span><span class="o">=</span><span class="n">int64</span><span class="p">)</span>
<a id="ln-297" name="ln-297" href="#ln-297"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="mi">64</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-298" name="ln-298" href="#ln-298"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'STRING was too long for a '</span><span class="w"> </span><span class="o">//</span><span class="w"> </span><span class="p">&</span>
<a id="ln-299" name="ln-299" href="#ln-299"></a><span class="w"> </span><span class="s1">'BITSET_64 SELF.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-300" name="ln-300" href="#ln-300"></a><span class="w"> </span><span class="n">char_string_too_large_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-301" name="ln-301" href="#ln-301"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-302" name="ln-302" href="#ln-302"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-303" name="ln-303" href="#ln-303"></a><span class="k"> end if</span>
<a id="ln-304" name="ln-304" href="#ln-304"></a><span class="k"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">bits</span>
<a id="ln-305" name="ln-305" href="#ln-305"></a><span class="w"> </span><span class="k">do </span><span class="n">bit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="n">bits</span>
<a id="ln-306" name="ln-306" href="#ln-306"></a><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">string</span><span class="p">(</span><span class="n">bit</span><span class="p">:</span><span class="n">bit</span><span class="p">)</span>
<a id="ln-307" name="ln-307" href="#ln-307"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s1">'0'</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-308" name="ln-308" href="#ln-308"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">clear</span><span class="p">(</span><span class="w"> </span><span class="nb">int</span><span class="p">(</span><span class="n">bits</span><span class="o">-</span><span class="n">bit</span><span class="p">,</span><span class="w"> </span><span class="nb">kind</span><span class="o">=</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="p">)</span>
<a id="ln-309" name="ln-309" href="#ln-309"></a><span class="w"> </span><span class="k">else if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s1">'1'</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-310" name="ln-310" href="#ln-310"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">set</span><span class="p">(</span><span class="w"> </span><span class="nb">int</span><span class="p">(</span><span class="n">bits</span><span class="o">-</span><span class="n">bit</span><span class="p">,</span><span class="w"> </span><span class="nb">kind</span><span class="o">=</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="p">)</span>
<a id="ln-311" name="ln-311" href="#ln-311"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-312" name="ln-312" href="#ln-312"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'STRING had a character other than '</span><span class="w"> </span><span class="o">//</span><span class="w"> </span><span class="p">&</span>
<a id="ln-313" name="ln-313" href="#ln-313"></a><span class="w"> </span><span class="s1">'0 or 1.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-314" name="ln-314" href="#ln-314"></a><span class="w"> </span><span class="n">char_string_invalid_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-315" name="ln-315" href="#ln-315"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-316" name="ln-316" href="#ln-316"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-317" name="ln-317" href="#ln-317"></a><span class="k"> end if</span>
<a id="ln-318" name="ln-318" href="#ln-318"></a><span class="k"> end do</span>
<a id="ln-319" name="ln-319" href="#ln-319"></a>
<a id="ln-320" name="ln-320" href="#ln-320"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">present</span><span class="p">(</span><span class="n">status</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="n">status</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">success</span>
<a id="ln-321" name="ln-321" href="#ln-321"></a>
<a id="ln-322" name="ln-322" href="#ln-322"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">from_string_64</span>
<a id="ln-323" name="ln-323" href="#ln-323"></a>
<a id="ln-324" name="ln-324" href="#ln-324"></a>
<a id="ln-325" name="ln-325" href="#ln-325"></a><span class="w"> </span><span class="k">elemental module function </span><span class="n">ge_64</span><span class="p">(</span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="n">ge</span><span class="p">)</span>
<a id="ln-326" name="ln-326" href="#ln-326"></a><span class="c">!</span>
<a id="ln-327" name="ln-327" href="#ln-327"></a><span class="c">! Returns .TRUE. if the bits in SET1 and SET2 are the same or the</span>
<a id="ln-328" name="ln-328" href="#ln-328"></a><span class="c">! highest order different bit is set to 1 in SET1 and to 0 in set2.</span>
<a id="ln-329" name="ln-329" href="#ln-329"></a><span class="c">! .FALSE. otherwise. The sets must have the same number of bits</span>
<a id="ln-330" name="ln-330" href="#ln-330"></a><span class="c">! otherwise the results are undefined.</span>
<a id="ln-331" name="ln-331" href="#ln-331"></a><span class="c">!</span>
<a id="ln-332" name="ln-332" href="#ln-332"></a><span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">ge</span>
<a id="ln-333" name="ln-333" href="#ln-333"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span>
<a id="ln-334" name="ln-334" href="#ln-334"></a>
<a id="ln-335" name="ln-335" href="#ln-335"></a><span class="w"> </span><span class="n">ge</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">bge</span><span class="p">(</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="p">)</span>
<a id="ln-336" name="ln-336" href="#ln-336"></a>
<a id="ln-337" name="ln-337" href="#ln-337"></a><span class="w"> </span><span class="k">end function </span><span class="n">ge_64</span>
<a id="ln-338" name="ln-338" href="#ln-338"></a>
<a id="ln-339" name="ln-339" href="#ln-339"></a>
<a id="ln-340" name="ln-340" href="#ln-340"></a><span class="w"> </span><span class="k">elemental module function </span><span class="n">gt_64</span><span class="p">(</span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="n">gt</span><span class="p">)</span>
<a id="ln-341" name="ln-341" href="#ln-341"></a><span class="c">!</span>
<a id="ln-342" name="ln-342" href="#ln-342"></a><span class="c">! Returns .TRUE. if the bits in SET1 and SET2 differ and the</span>
<a id="ln-343" name="ln-343" href="#ln-343"></a><span class="c">! highest order different bit is set to 1 in SET1 and to 0 in set2.</span>
<a id="ln-344" name="ln-344" href="#ln-344"></a><span class="c">! .FALSE. otherwise. The sets must have the same number of bits</span>
<a id="ln-345" name="ln-345" href="#ln-345"></a><span class="c">! otherwise the results are undefined.</span>
<a id="ln-346" name="ln-346" href="#ln-346"></a><span class="c">!</span>
<a id="ln-347" name="ln-347" href="#ln-347"></a><span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">gt</span>
<a id="ln-348" name="ln-348" href="#ln-348"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span>
<a id="ln-349" name="ln-349" href="#ln-349"></a>
<a id="ln-350" name="ln-350" href="#ln-350"></a><span class="w"> </span><span class="n">gt</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">bgt</span><span class="p">(</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="p">)</span>
<a id="ln-351" name="ln-351" href="#ln-351"></a>
<a id="ln-352" name="ln-352" href="#ln-352"></a><span class="w"> </span><span class="k">end function </span><span class="n">gt_64</span>
<a id="ln-353" name="ln-353" href="#ln-353"></a>
<a id="ln-354" name="ln-354" href="#ln-354"></a>
<a id="ln-355" name="ln-355" href="#ln-355"></a><span class="w"> </span><span class="k">module subroutine </span><span class="n">init_zero_64</span><span class="p">(</span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">bits</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">)</span>
<a id="ln-356" name="ln-356" href="#ln-356"></a><span class="c">!</span>
<a id="ln-357" name="ln-357" href="#ln-357"></a><span class="c">! Creates the bitset, `self`, of size `bits`, with all bits initialized to</span>
<a id="ln-358" name="ln-358" href="#ln-358"></a><span class="c">! zero. `bits` must be non-negative. If an error occurs and `status` is</span>
<a id="ln-359" name="ln-359" href="#ln-359"></a><span class="c">! absent then processing stops with an informative stop code. `status`</span>
<a id="ln-360" name="ln-360" href="#ln-360"></a><span class="c">! will have one of the values:</span>
<a id="ln-361" name="ln-361" href="#ln-361"></a><span class="c">! * `success` - if no problems were found,</span>
<a id="ln-362" name="ln-362" href="#ln-362"></a><span class="c">! * `array_size_invalid_error` - if `bits` is either negative or larger</span>
<a id="ln-363" name="ln-363" href="#ln-363"></a><span class="c">! than 64 with `self` of class `bitset_64`, or</span>
<a id="ln-364" name="ln-364" href="#ln-364"></a><span class="c">! * `alloc_fault` - if memory allocation failed</span>
<a id="ln-365" name="ln-365" href="#ln-365"></a><span class="c">!</span>
<a id="ln-366" name="ln-366" href="#ln-366"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-367" name="ln-367" href="#ln-367"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">bits</span>
<a id="ln-368" name="ln-368" href="#ln-368"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="k">optional</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">status</span>
<a id="ln-369" name="ln-369" href="#ln-369"></a>
<a id="ln-370" name="ln-370" href="#ln-370"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="o">*</span><span class="p">),</span><span class="w"> </span><span class="k">parameter</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"INIT"</span>
<a id="ln-371" name="ln-371" href="#ln-371"></a>
<a id="ln-372" name="ln-372" href="#ln-372"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-373" name="ln-373" href="#ln-373"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'BITS had a negative value.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-374" name="ln-374" href="#ln-374"></a><span class="w"> </span><span class="n">array_size_invalid_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-375" name="ln-375" href="#ln-375"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-376" name="ln-376" href="#ln-376"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-377" name="ln-377" href="#ln-377"></a><span class="k"> end if</span>
<a id="ln-378" name="ln-378" href="#ln-378"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="mi">64</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-379" name="ln-379" href="#ln-379"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'BITS had a value greater than 64.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-380" name="ln-380" href="#ln-380"></a><span class="w"> </span><span class="n">array_size_invalid_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-381" name="ln-381" href="#ln-381"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-382" name="ln-382" href="#ln-382"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-383" name="ln-383" href="#ln-383"></a><span class="k"> end if</span>
<a id="ln-384" name="ln-384" href="#ln-384"></a>
<a id="ln-385" name="ln-385" href="#ln-385"></a><span class="k"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">bits</span>
<a id="ln-386" name="ln-386" href="#ln-386"></a><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">all_zeros</span>
<a id="ln-387" name="ln-387" href="#ln-387"></a>
<a id="ln-388" name="ln-388" href="#ln-388"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">present</span><span class="p">(</span><span class="n">status</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="n">status</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">success</span>
<a id="ln-389" name="ln-389" href="#ln-389"></a>
<a id="ln-390" name="ln-390" href="#ln-390"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">init_zero_64</span>
<a id="ln-391" name="ln-391" href="#ln-391"></a>
<a id="ln-392" name="ln-392" href="#ln-392"></a>
<a id="ln-393" name="ln-393" href="#ln-393"></a><span class="w"> </span><span class="k">module subroutine </span><span class="n">input_64</span><span class="p">(</span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">)</span>
<a id="ln-394" name="ln-394" href="#ln-394"></a><span class="c">!</span>
<a id="ln-395" name="ln-395" href="#ln-395"></a><span class="c">! Reads the components of the bitset, `self`, from the unformatted I/O</span>
<a id="ln-396" name="ln-396" href="#ln-396"></a><span class="c">! unit, `unit`, assuming that the components were written using `output`.</span>
<a id="ln-397" name="ln-397" href="#ln-397"></a><span class="c">! If an error occurs and `status` is absent then processing stops with</span>
<a id="ln-398" name="ln-398" href="#ln-398"></a><span class="c">! an informative stop code. `status` has one of the values:</span>
<a id="ln-399" name="ln-399" href="#ln-399"></a><span class="c">! * `success` - if no problem was found</span>
<a id="ln-400" name="ln-400" href="#ln-400"></a><span class="c">! * `alloc_fault` - if it failed during allocation of memory for `self`, or</span>
<a id="ln-401" name="ln-401" href="#ln-401"></a><span class="c">! * `array_size_invalid_error` if the `bits(self)` in `unit` is negative</span>
<a id="ln-402" name="ln-402" href="#ln-402"></a><span class="c">! or greater than 64 for a `bitset_64` input.</span>
<a id="ln-403" name="ln-403" href="#ln-403"></a><span class="c">! * `read_failure` - if it failed during the reads from `unit`</span>
<a id="ln-404" name="ln-404" href="#ln-404"></a><span class="c">!</span>
<a id="ln-405" name="ln-405" href="#ln-405"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-406" name="ln-406" href="#ln-406"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">unit</span>
<a id="ln-407" name="ln-407" href="#ln-407"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="k">optional</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">status</span>
<a id="ln-408" name="ln-408" href="#ln-408"></a>
<a id="ln-409" name="ln-409" href="#ln-409"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">bits</span>
<a id="ln-410" name="ln-410" href="#ln-410"></a><span class="w"> </span><span class="kt">integer</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">ierr</span>
<a id="ln-411" name="ln-411" href="#ln-411"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=</span><span class="mi">120</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">message</span>
<a id="ln-412" name="ln-412" href="#ln-412"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="o">*</span><span class="p">),</span><span class="w"> </span><span class="k">parameter</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'INPUT'</span>
<a id="ln-413" name="ln-413" href="#ln-413"></a><span class="w"> </span><span class="kt">integer</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="nb">stat</span>
<a id="ln-414" name="ln-414" href="#ln-414"></a>
<a id="ln-415" name="ln-415" href="#ln-415"></a><span class="nb"> </span><span class="k">read</span><span class="p">(</span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="n">iostat</span><span class="o">=</span><span class="n">ierr</span><span class="p">,</span><span class="w"> </span><span class="n">iomsg</span><span class="o">=</span><span class="n">message</span><span class="p">)</span><span class="w"> </span><span class="n">bits</span>
<a id="ln-416" name="ln-416" href="#ln-416"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">ierr</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-417" name="ln-417" href="#ln-417"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'Failure on a READ statement for UNIT.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-418" name="ln-418" href="#ln-418"></a><span class="w"> </span><span class="n">read_failure</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-419" name="ln-419" href="#ln-419"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-420" name="ln-420" href="#ln-420"></a><span class="k"> end if</span>
<a id="ln-421" name="ln-421" href="#ln-421"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-422" name="ln-422" href="#ln-422"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'BITS in UNIT had a negative value.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-423" name="ln-423" href="#ln-423"></a><span class="w"> </span><span class="n">array_size_invalid_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-424" name="ln-424" href="#ln-424"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-425" name="ln-425" href="#ln-425"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-426" name="ln-426" href="#ln-426"></a><span class="k"> end if</span>
<a id="ln-427" name="ln-427" href="#ln-427"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="mi">64</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-428" name="ln-428" href="#ln-428"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'BITS in UNIT had a value greater than 64.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-429" name="ln-429" href="#ln-429"></a><span class="w"> </span><span class="n">array_size_invalid_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-430" name="ln-430" href="#ln-430"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-431" name="ln-431" href="#ln-431"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-432" name="ln-432" href="#ln-432"></a><span class="k"> end if</span>
<a id="ln-433" name="ln-433" href="#ln-433"></a>
<a id="ln-434" name="ln-434" href="#ln-434"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">init</span><span class="p">(</span><span class="n">bits</span><span class="p">,</span><span class="w"> </span><span class="nb">stat</span><span class="p">)</span>
<a id="ln-435" name="ln-435" href="#ln-435"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nb">stat</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="n">success</span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-436" name="ln-436" href="#ln-436"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'Allocation failure for SELF.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-437" name="ln-437" href="#ln-437"></a><span class="w"> </span><span class="n">alloc_fault</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-438" name="ln-438" href="#ln-438"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-439" name="ln-439" href="#ln-439"></a><span class="k"> end if</span>
<a id="ln-440" name="ln-440" href="#ln-440"></a>
<a id="ln-441" name="ln-441" href="#ln-441"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="n">bits</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="k">return</span>
<a id="ln-442" name="ln-442" href="#ln-442"></a>
<a id="ln-443" name="ln-443" href="#ln-443"></a><span class="k"> read</span><span class="p">(</span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="n">iostat</span><span class="o">=</span><span class="n">ierr</span><span class="p">,</span><span class="w"> </span><span class="n">iomsg</span><span class="o">=</span><span class="n">message</span><span class="p">)</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span>
<a id="ln-444" name="ln-444" href="#ln-444"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="n">ierr</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-445" name="ln-445" href="#ln-445"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'Failure on a READ statement for UNIT.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-446" name="ln-446" href="#ln-446"></a><span class="w"> </span><span class="n">read_failure</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-447" name="ln-447" href="#ln-447"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-448" name="ln-448" href="#ln-448"></a><span class="k"> end if</span>
<a id="ln-449" name="ln-449" href="#ln-449"></a>
<a id="ln-450" name="ln-450" href="#ln-450"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">present</span><span class="p">(</span><span class="n">status</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="n">status</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">success</span>
<a id="ln-451" name="ln-451" href="#ln-451"></a>
<a id="ln-452" name="ln-452" href="#ln-452"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">input_64</span>
<a id="ln-453" name="ln-453" href="#ln-453"></a>
<a id="ln-454" name="ln-454" href="#ln-454"></a>
<a id="ln-455" name="ln-455" href="#ln-455"></a><span class="w"> </span><span class="k">elemental module function </span><span class="n">le_64</span><span class="p">(</span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="n">le</span><span class="p">)</span>
<a id="ln-456" name="ln-456" href="#ln-456"></a><span class="c">!</span>
<a id="ln-457" name="ln-457" href="#ln-457"></a><span class="c">! Returns .TRUE. if the bits in SET1 and SET2 are the same or the</span>
<a id="ln-458" name="ln-458" href="#ln-458"></a><span class="c">! highest order different bit is set to 0 in SET1 and to 1 in set2.</span>
<a id="ln-459" name="ln-459" href="#ln-459"></a><span class="c">! .FALSE. otherwise. The sets must have the same number of bits</span>
<a id="ln-460" name="ln-460" href="#ln-460"></a><span class="c">! otherwise the results are undefined.</span>
<a id="ln-461" name="ln-461" href="#ln-461"></a><span class="c">!</span>
<a id="ln-462" name="ln-462" href="#ln-462"></a><span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">le</span>
<a id="ln-463" name="ln-463" href="#ln-463"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span>
<a id="ln-464" name="ln-464" href="#ln-464"></a>
<a id="ln-465" name="ln-465" href="#ln-465"></a><span class="w"> </span><span class="n">le</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">ble</span><span class="p">(</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="p">)</span>
<a id="ln-466" name="ln-466" href="#ln-466"></a>
<a id="ln-467" name="ln-467" href="#ln-467"></a><span class="w"> </span><span class="k">end function </span><span class="n">le_64</span>
<a id="ln-468" name="ln-468" href="#ln-468"></a>
<a id="ln-469" name="ln-469" href="#ln-469"></a>
<a id="ln-470" name="ln-470" href="#ln-470"></a><span class="w"> </span><span class="k">elemental module function </span><span class="n">lt_64</span><span class="p">(</span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="n">lt</span><span class="p">)</span>
<a id="ln-471" name="ln-471" href="#ln-471"></a><span class="c">!</span>
<a id="ln-472" name="ln-472" href="#ln-472"></a><span class="c">! Returns .TRUE. if the bits in SET1 and SET2 differ and the</span>
<a id="ln-473" name="ln-473" href="#ln-473"></a><span class="c">! highest order different bit is set to 0 in SET1 and to 1 in set2.</span>
<a id="ln-474" name="ln-474" href="#ln-474"></a><span class="c">! .FALSE. otherwise. The sets must have the same number of bits</span>
<a id="ln-475" name="ln-475" href="#ln-475"></a><span class="c">! otherwise the results are undefined.</span>
<a id="ln-476" name="ln-476" href="#ln-476"></a><span class="c">!</span>
<a id="ln-477" name="ln-477" href="#ln-477"></a><span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">lt</span>
<a id="ln-478" name="ln-478" href="#ln-478"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span>
<a id="ln-479" name="ln-479" href="#ln-479"></a>
<a id="ln-480" name="ln-480" href="#ln-480"></a><span class="w"> </span><span class="n">lt</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">blt</span><span class="p">(</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="p">)</span>
<a id="ln-481" name="ln-481" href="#ln-481"></a>
<a id="ln-482" name="ln-482" href="#ln-482"></a><span class="w"> </span><span class="k">end function </span><span class="n">lt_64</span>
<a id="ln-483" name="ln-483" href="#ln-483"></a>
<a id="ln-484" name="ln-484" href="#ln-484"></a>
<a id="ln-485" name="ln-485" href="#ln-485"></a><span class="w"> </span><span class="k">elemental module function </span><span class="n">neqv_64</span><span class="p">(</span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="n">neqv</span><span class="p">)</span>
<a id="ln-486" name="ln-486" href="#ln-486"></a><span class="c">!</span>
<a id="ln-487" name="ln-487" href="#ln-487"></a><span class="c">! Returns .TRUE. if all bits in SET1 and SET2 have the same value,</span>
<a id="ln-488" name="ln-488" href="#ln-488"></a><span class="c">! .FALSE. otherwise. The sets must have the same number of bits</span>
<a id="ln-489" name="ln-489" href="#ln-489"></a><span class="c">! otherwise the results are undefined.</span>
<a id="ln-490" name="ln-490" href="#ln-490"></a><span class="c">!</span>
<a id="ln-491" name="ln-491" href="#ln-491"></a><span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">neqv</span>
<a id="ln-492" name="ln-492" href="#ln-492"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span>
<a id="ln-493" name="ln-493" href="#ln-493"></a>
<a id="ln-494" name="ln-494" href="#ln-494"></a><span class="w"> </span><span class="n">neqv</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span>
<a id="ln-495" name="ln-495" href="#ln-495"></a>
<a id="ln-496" name="ln-496" href="#ln-496"></a><span class="k"> end function </span><span class="n">neqv_64</span>
<a id="ln-497" name="ln-497" href="#ln-497"></a>
<a id="ln-498" name="ln-498" href="#ln-498"></a>
<a id="ln-499" name="ln-499" href="#ln-499"></a><span class="w"> </span><span class="k">elemental module function </span><span class="n">none_64</span><span class="p">(</span><span class="n">self</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="k">none</span><span class="p">)</span>
<a id="ln-500" name="ln-500" href="#ln-500"></a><span class="c">!</span>
<a id="ln-501" name="ln-501" href="#ln-501"></a><span class="c">! Returns .TRUE. if none of the bits in SELF have the value 1.</span>
<a id="ln-502" name="ln-502" href="#ln-502"></a><span class="c">!</span>
<a id="ln-503" name="ln-503" href="#ln-503"></a><span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="k">none</span>
<a id="ln-504" name="ln-504" href="#ln-504"></a><span class="k"> class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-505" name="ln-505" href="#ln-505"></a>
<a id="ln-506" name="ln-506" href="#ln-506"></a><span class="w"> </span><span class="k">none</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">true</span><span class="p">.</span>
<a id="ln-507" name="ln-507" href="#ln-507"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-508" name="ln-508" href="#ln-508"></a><span class="k"> none</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">false</span><span class="p">.</span>
<a id="ln-509" name="ln-509" href="#ln-509"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-510" name="ln-510" href="#ln-510"></a><span class="k"> end if</span>
<a id="ln-511" name="ln-511" href="#ln-511"></a>
<a id="ln-512" name="ln-512" href="#ln-512"></a><span class="k"> end function </span><span class="n">none_64</span>
<a id="ln-513" name="ln-513" href="#ln-513"></a>
<a id="ln-514" name="ln-514" href="#ln-514"></a>
<a id="ln-515" name="ln-515" href="#ln-515"></a><span class="w"> </span><span class="k">elemental module subroutine </span><span class="n">not_64</span><span class="p">(</span><span class="n">self</span><span class="p">)</span>
<a id="ln-516" name="ln-516" href="#ln-516"></a><span class="c">!</span>
<a id="ln-517" name="ln-517" href="#ln-517"></a><span class="c">! Sets the bits in SELF to their logical complement</span>
<a id="ln-518" name="ln-518" href="#ln-518"></a><span class="c">!</span>
<a id="ln-519" name="ln-519" href="#ln-519"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">inout</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-520" name="ln-520" href="#ln-520"></a>
<a id="ln-521" name="ln-521" href="#ln-521"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">bit</span>
<a id="ln-522" name="ln-522" href="#ln-522"></a>
<a id="ln-523" name="ln-523" href="#ln-523"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">return</span>
<a id="ln-524" name="ln-524" href="#ln-524"></a>
<a id="ln-525" name="ln-525" href="#ln-525"></a><span class="k"> do </span><span class="n">bit</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-526" name="ln-526" href="#ln-526"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">btest</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">bit</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-527" name="ln-527" href="#ln-527"></a><span class="k"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">ibclr</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">bit</span><span class="w"> </span><span class="p">)</span>
<a id="ln-528" name="ln-528" href="#ln-528"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-529" name="ln-529" href="#ln-529"></a><span class="k"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">ibset</span><span class="p">(</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="n">bit</span><span class="w"> </span><span class="p">)</span>
<a id="ln-530" name="ln-530" href="#ln-530"></a><span class="w"> </span><span class="k">end if</span>
<a id="ln-531" name="ln-531" href="#ln-531"></a><span class="k"> end do</span>
<a id="ln-532" name="ln-532" href="#ln-532"></a>
<a id="ln-533" name="ln-533" href="#ln-533"></a><span class="k"> end subroutine </span><span class="n">not_64</span>
<a id="ln-534" name="ln-534" href="#ln-534"></a>
<a id="ln-535" name="ln-535" href="#ln-535"></a>
<a id="ln-536" name="ln-536" href="#ln-536"></a><span class="w"> </span><span class="k">elemental module subroutine </span><span class="n">or_64</span><span class="p">(</span><span class="n">set1</span><span class="p">,</span><span class="w"> </span><span class="n">set2</span><span class="p">)</span>
<a id="ln-537" name="ln-537" href="#ln-537"></a><span class="c">!</span>
<a id="ln-538" name="ln-538" href="#ln-538"></a><span class="c">! Sets the bits in SET1 to the bitwise OR of the original bits in SET1</span>
<a id="ln-539" name="ln-539" href="#ln-539"></a><span class="c">! and SET2. If SET1 has fewer bits than SET2 then the additional bits</span>
<a id="ln-540" name="ln-540" href="#ln-540"></a><span class="c">! in SET2 are ignored. If SET1 has more bits than SET2, then the</span>
<a id="ln-541" name="ln-541" href="#ln-541"></a><span class="c">! absent SET2 bits are treated as if present with zero value.</span>
<a id="ln-542" name="ln-542" href="#ln-542"></a><span class="c">!</span>
<a id="ln-543" name="ln-543" href="#ln-543"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">inout</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set1</span>
<a id="ln-544" name="ln-544" href="#ln-544"></a><span class="w"> </span><span class="k">type</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">set2</span>
<a id="ln-545" name="ln-545" href="#ln-545"></a>
<a id="ln-546" name="ln-546" href="#ln-546"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o">>=</span><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-547" name="ln-547" href="#ln-547"></a><span class="k"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">ior</span><span class="p">(</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-548" name="ln-548" href="#ln-548"></a><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="p">)</span>
<a id="ln-549" name="ln-549" href="#ln-549"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-550" name="ln-550" href="#ln-550"></a><span class="c">! The set1 extent ends before set2 => set2 bits must not affect bits in</span>
<a id="ln-551" name="ln-551" href="#ln-551"></a><span class="c">! set1 beyond its extent => set those bits to zero while keeping proper</span>
<a id="ln-552" name="ln-552" href="#ln-552"></a><span class="c">! values of other bits in set2</span>
<a id="ln-553" name="ln-553" href="#ln-553"></a><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">&</span>
<a id="ln-554" name="ln-554" href="#ln-554"></a><span class="w"> </span><span class="nb">ior</span><span class="p">(</span><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-555" name="ln-555" href="#ln-555"></a><span class="w"> </span><span class="nb">ibits</span><span class="p">(</span><span class="w"> </span><span class="n">set2</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-556" name="ln-556" href="#ln-556"></a><span class="w"> </span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-557" name="ln-557" href="#ln-557"></a><span class="w"> </span><span class="n">set1</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">)</span>
<a id="ln-558" name="ln-558" href="#ln-558"></a><span class="w"> </span><span class="k">end if</span>
<a id="ln-559" name="ln-559" href="#ln-559"></a>
<a id="ln-560" name="ln-560" href="#ln-560"></a><span class="k"> end subroutine </span><span class="n">or_64</span>
<a id="ln-561" name="ln-561" href="#ln-561"></a>
<a id="ln-562" name="ln-562" href="#ln-562"></a>
<a id="ln-563" name="ln-563" href="#ln-563"></a><span class="w"> </span><span class="k">module subroutine </span><span class="n">output_64</span><span class="p">(</span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">)</span>
<a id="ln-564" name="ln-564" href="#ln-564"></a><span class="c">!</span>
<a id="ln-565" name="ln-565" href="#ln-565"></a><span class="c">! Writes the components of the bitset, SELF, to the unformatted I/O</span>
<a id="ln-566" name="ln-566" href="#ln-566"></a><span class="c">! unit, UNIT, in a unformatted sequence compatible with INPUT. If</span>
<a id="ln-567" name="ln-567" href="#ln-567"></a><span class="c">! STATUS is absent an error results in an error stop with an</span>
<a id="ln-568" name="ln-568" href="#ln-568"></a><span class="c">! informative stop code. If STATUS is present it has the default</span>
<a id="ln-569" name="ln-569" href="#ln-569"></a><span class="c">! value of SUCCESS, or the value WRITE_FAILURE if the write failed.</span>
<a id="ln-570" name="ln-570" href="#ln-570"></a><span class="c">!</span>
<a id="ln-571" name="ln-571" href="#ln-571"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-572" name="ln-572" href="#ln-572"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">unit</span>
<a id="ln-573" name="ln-573" href="#ln-573"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="k">optional</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">status</span>
<a id="ln-574" name="ln-574" href="#ln-574"></a>
<a id="ln-575" name="ln-575" href="#ln-575"></a><span class="w"> </span><span class="kt">integer</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">ierr</span>
<a id="ln-576" name="ln-576" href="#ln-576"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=</span><span class="mi">120</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">message</span>
<a id="ln-577" name="ln-577" href="#ln-577"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="o">*</span><span class="p">),</span><span class="w"> </span><span class="k">parameter</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"OUTPUT"</span>
<a id="ln-578" name="ln-578" href="#ln-578"></a>
<a id="ln-579" name="ln-579" href="#ln-579"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="n">iostat</span><span class="o">=</span><span class="n">ierr</span><span class="p">,</span><span class="w"> </span><span class="n">iomsg</span><span class="o">=</span><span class="n">message</span><span class="p">)</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span>
<a id="ln-580" name="ln-580" href="#ln-580"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">ierr</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-581" name="ln-581" href="#ln-581"></a>
<a id="ln-582" name="ln-582" href="#ln-582"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">num_bits</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="k">return</span>
<a id="ln-583" name="ln-583" href="#ln-583"></a><span class="k"> write</span><span class="p">(</span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="n">iostat</span><span class="o">=</span><span class="n">ierr</span><span class="p">,</span><span class="w"> </span><span class="n">iomsg</span><span class="o">=</span><span class="n">message</span><span class="p">)</span><span class="w"> </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="k">block</span>
<a id="ln-584" name="ln-584" href="#ln-584"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="n">ierr</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-585" name="ln-585" href="#ln-585"></a>
<a id="ln-586" name="ln-586" href="#ln-586"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-587" name="ln-587" href="#ln-587"></a>
<a id="ln-588" name="ln-588" href="#ln-588"></a><span class="mi">999</span><span class="w"> </span><span class="k">call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'Failure on a WRITE statement for UNIT.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-589" name="ln-589" href="#ln-589"></a><span class="w"> </span><span class="n">write_failure</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-590" name="ln-590" href="#ln-590"></a>
<a id="ln-591" name="ln-591" href="#ln-591"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">output_64</span>
<a id="ln-592" name="ln-592" href="#ln-592"></a>
<a id="ln-593" name="ln-593" href="#ln-593"></a>
<a id="ln-594" name="ln-594" href="#ln-594"></a><span class="w"> </span><span class="k">module subroutine </span><span class="n">read_bitset_string_64</span><span class="p">(</span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">string</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">)</span>
<a id="ln-595" name="ln-595" href="#ln-595"></a><span class="c">!</span>
<a id="ln-596" name="ln-596" href="#ln-596"></a><span class="c">! Uses the bitset literal in the default character `string`, to define</span>
<a id="ln-597" name="ln-597" href="#ln-597"></a><span class="c">! the bitset, `self`. The literal may be preceded by an an arbitrary</span>
<a id="ln-598" name="ln-598" href="#ln-598"></a><span class="c">! sequence of blank characters. If `status` is absent an error results</span>
<a id="ln-599" name="ln-599" href="#ln-599"></a><span class="c">! in an error stop with an informative stop code. If `status`</span>
<a id="ln-600" name="ln-600" href="#ln-600"></a><span class="c">! is present it has one of the values</span>
<a id="ln-601" name="ln-601" href="#ln-601"></a><span class="c">! * `success` - if no problems occurred,</span>
<a id="ln-602" name="ln-602" href="#ln-602"></a><span class="c">! * `alloc_fault` - if allocation of memory for SELF failed,</span>
<a id="ln-603" name="ln-603" href="#ln-603"></a><span class="c">! * `array_size_invalid_error - if `bits(self)` in `string` is greater</span>
<a id="ln-604" name="ln-604" href="#ln-604"></a><span class="c">! than 64 for a `bitset_64`,</span>
<a id="ln-605" name="ln-605" href="#ln-605"></a><span class="c">! * `char_string_invalid_error` - if the bitset literal has an invalid</span>
<a id="ln-606" name="ln-606" href="#ln-606"></a><span class="c">! character,</span>
<a id="ln-607" name="ln-607" href="#ln-607"></a><span class="c">! * `char_string_too_small_error - if the string ends before all the bits</span>
<a id="ln-608" name="ln-608" href="#ln-608"></a><span class="c">! are read.</span>
<a id="ln-609" name="ln-609" href="#ln-609"></a><span class="c">! * `integer_overflow_error` - if the bitset literal has a `bits(self)`</span>
<a id="ln-610" name="ln-610" href="#ln-610"></a><span class="c">! value too large to be represented,</span>
<a id="ln-611" name="ln-611" href="#ln-611"></a><span class="c">!</span>
<a id="ln-612" name="ln-612" href="#ln-612"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-613" name="ln-613" href="#ln-613"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=*</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">string</span>
<a id="ln-614" name="ln-614" href="#ln-614"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="k">optional</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">status</span>
<a id="ln-615" name="ln-615" href="#ln-615"></a>
<a id="ln-616" name="ln-616" href="#ln-616"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">bit</span><span class="p">,</span><span class="w"> </span><span class="n">bits</span>
<a id="ln-617" name="ln-617" href="#ln-617"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="nb">digits</span><span class="p">,</span><span class="w"> </span><span class="n">pos</span>
<a id="ln-618" name="ln-618" href="#ln-618"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="o">*</span><span class="p">),</span><span class="w"> </span><span class="k">parameter</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"READ_BITSET"</span>
<a id="ln-619" name="ln-619" href="#ln-619"></a><span class="w"> </span><span class="kt">integer</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="nb">stat</span>
<a id="ln-620" name="ln-620" href="#ln-620"></a>
<a id="ln-621" name="ln-621" href="#ln-621"></a><span class="nb"> </span><span class="n">pos</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-622" name="ln-622" href="#ln-622"></a><span class="w"> </span><span class="n">find_start</span><span class="p">:</span><span class="w"> </span><span class="k">do </span><span class="n">pos</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="nb">len</span><span class="p">(</span><span class="n">string</span><span class="p">)</span>
<a id="ln-623" name="ln-623" href="#ln-623"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">string</span><span class="p">(</span><span class="n">pos</span><span class="p">:</span><span class="n">pos</span><span class="p">)</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="s1">' '</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">exit</span>
<a id="ln-624" name="ln-624" href="#ln-624"></a><span class="k"> end do </span><span class="n">find_start</span>
<a id="ln-625" name="ln-625" href="#ln-625"></a>
<a id="ln-626" name="ln-626" href="#ln-626"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="nb">len</span><span class="p">(</span><span class="n">string</span><span class="p">)</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">8</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-627" name="ln-627" href="#ln-627"></a>
<a id="ln-628" name="ln-628" href="#ln-628"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">string</span><span class="p">(</span><span class="n">pos</span><span class="p">:</span><span class="n">pos</span><span class="p">)</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="s1">'s'</span><span class="w"> </span><span class="p">.</span><span class="nb">AND</span><span class="p">.</span><span class="w"> </span><span class="n">string</span><span class="p">(</span><span class="n">pos</span><span class="p">:</span><span class="n">pos</span><span class="p">)</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="s1">'S'</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-629" name="ln-629" href="#ln-629"></a>
<a id="ln-630" name="ln-630" href="#ln-630"></a><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-631" name="ln-631" href="#ln-631"></a><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="ln-632" name="ln-632" href="#ln-632"></a><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="ln-633" name="ln-633" href="#ln-633"></a>
<a id="ln-634" name="ln-634" href="#ln-634"></a><span class="w"> </span><span class="k">do</span>
<a id="ln-635" name="ln-635" href="#ln-635"></a><span class="k"> select case</span><span class="p">(</span><span class="w"> </span><span class="nb">iachar</span><span class="p">(</span><span class="w"> </span><span class="n">string</span><span class="p">(</span><span class="n">pos</span><span class="p">:</span><span class="n">pos</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">)</span>
<a id="ln-636" name="ln-636" href="#ln-636"></a><span class="w"> </span><span class="k">case</span><span class="p">(</span><span class="n">ia0</span><span class="p">:</span><span class="n">ia9</span><span class="p">)</span>
<a id="ln-637" name="ln-637" href="#ln-637"></a><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-638" name="ln-638" href="#ln-638"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">max_digits</span><span class="w"> </span><span class="p">.</span><span class="nb">AND</span><span class="p">.</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="n">overflow_bits</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">&</span>
<a id="ln-639" name="ln-639" href="#ln-639"></a><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">996</span>
<a id="ln-640" name="ln-640" href="#ln-640"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="n">max_digits</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">996</span>
<a id="ln-641" name="ln-641" href="#ln-641"></a><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">bits</span><span class="o">*</span><span class="mi">10</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="nb">iachar</span><span class="p">(</span><span class="w"> </span><span class="n">string</span><span class="p">(</span><span class="n">pos</span><span class="p">:</span><span class="n">pos</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">ia0</span>
<a id="ln-642" name="ln-642" href="#ln-642"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">996</span>
<a id="ln-643" name="ln-643" href="#ln-643"></a><span class="w"> </span><span class="k">case</span><span class="p">(</span><span class="nb">iachar</span><span class="p">(</span><span class="s1">'b'</span><span class="p">),</span><span class="w"> </span><span class="nb">iachar</span><span class="p">(</span><span class="s1">'B'</span><span class="p">))</span>
<a id="ln-644" name="ln-644" href="#ln-644"></a><span class="w"> </span><span class="k">exit</span>
<a id="ln-645" name="ln-645" href="#ln-645"></a><span class="k"> case </span><span class="n">default</span>
<a id="ln-646" name="ln-646" href="#ln-646"></a><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-647" name="ln-647" href="#ln-647"></a><span class="w"> </span><span class="k">end select</span>
<a id="ln-648" name="ln-648" href="#ln-648"></a>
<a id="ln-649" name="ln-649" href="#ln-649"></a><span class="k"> </span><span class="n">pos</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-650" name="ln-650" href="#ln-650"></a>
<a id="ln-651" name="ln-651" href="#ln-651"></a><span class="w"> </span><span class="k">end do</span>
<a id="ln-652" name="ln-652" href="#ln-652"></a>
<a id="ln-653" name="ln-653" href="#ln-653"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="mi">64</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-654" name="ln-654" href="#ln-654"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'BITS in STRING was greater than 64.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-655" name="ln-655" href="#ln-655"></a><span class="w"> </span><span class="n">char_string_too_large_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-656" name="ln-656" href="#ln-656"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-657" name="ln-657" href="#ln-657"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-658" name="ln-658" href="#ln-658"></a><span class="k"> end if</span>
<a id="ln-659" name="ln-659" href="#ln-659"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="nb">len</span><span class="p">(</span><span class="n">string</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-660" name="ln-660" href="#ln-660"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'STRING was too small for the number of '</span><span class="w"> </span><span class="o">//</span><span class="w"> </span><span class="p">&</span>
<a id="ln-661" name="ln-661" href="#ln-661"></a><span class="w"> </span><span class="s1">'bits specified by STRING.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-662" name="ln-662" href="#ln-662"></a><span class="w"> </span><span class="n">char_string_too_small_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-663" name="ln-663" href="#ln-663"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-664" name="ln-664" href="#ln-664"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-665" name="ln-665" href="#ln-665"></a><span class="k"> end if</span>
<a id="ln-666" name="ln-666" href="#ln-666"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">init</span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="p">,</span><span class="w"> </span><span class="nb">stat</span><span class="w"> </span><span class="p">)</span>
<a id="ln-667" name="ln-667" href="#ln-667"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nb">stat</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="n">success</span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-668" name="ln-668" href="#ln-668"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'There was an allocation fault for SELF.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-669" name="ln-669" href="#ln-669"></a><span class="w"> </span><span class="n">alloc_fault</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-670" name="ln-670" href="#ln-670"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-671" name="ln-671" href="#ln-671"></a><span class="k"> end if</span>
<a id="ln-672" name="ln-672" href="#ln-672"></a>
<a id="ln-673" name="ln-673" href="#ln-673"></a><span class="k"> </span><span class="n">pos</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-674" name="ln-674" href="#ln-674"></a><span class="w"> </span><span class="n">bit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-675" name="ln-675" href="#ln-675"></a><span class="w"> </span><span class="k">do</span>
<a id="ln-676" name="ln-676" href="#ln-676"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">string</span><span class="p">(</span><span class="n">pos</span><span class="p">:</span><span class="n">pos</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s1">'0'</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-677" name="ln-677" href="#ln-677"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">clear</span><span class="p">(</span><span class="w"> </span><span class="n">bit</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="c">! this may not be needed</span>
<a id="ln-678" name="ln-678" href="#ln-678"></a><span class="w"> </span><span class="k">else if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">string</span><span class="p">(</span><span class="n">pos</span><span class="p">:</span><span class="n">pos</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s1">'1'</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-679" name="ln-679" href="#ln-679"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">set</span><span class="p">(</span><span class="w"> </span><span class="n">bit</span><span class="w"> </span><span class="p">)</span>
<a id="ln-680" name="ln-680" href="#ln-680"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-681" name="ln-681" href="#ln-681"></a><span class="k"> go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-682" name="ln-682" href="#ln-682"></a><span class="w"> </span><span class="k">end if</span>
<a id="ln-683" name="ln-683" href="#ln-683"></a><span class="k"> </span><span class="n">pos</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">pos</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-684" name="ln-684" href="#ln-684"></a><span class="w"> </span><span class="n">bit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">bit</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-685" name="ln-685" href="#ln-685"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bit</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">exit</span>
<a id="ln-686" name="ln-686" href="#ln-686"></a><span class="k"> end do</span>
<a id="ln-687" name="ln-687" href="#ln-687"></a>
<a id="ln-688" name="ln-688" href="#ln-688"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">present</span><span class="p">(</span><span class="n">status</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="n">status</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">success</span>
<a id="ln-689" name="ln-689" href="#ln-689"></a>
<a id="ln-690" name="ln-690" href="#ln-690"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-691" name="ln-691" href="#ln-691"></a>
<a id="ln-692" name="ln-692" href="#ln-692"></a><span class="mi">996</span><span class="w"> </span><span class="k">call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'There was an integer overflow in reading'</span><span class="w"> </span><span class="o">//</span><span class="w"> </span><span class="p">&</span>
<a id="ln-693" name="ln-693" href="#ln-693"></a><span class="w"> </span><span class="s1">'size of bitset literal from UNIT'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-694" name="ln-694" href="#ln-694"></a><span class="w"> </span><span class="n">integer_overflow_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-695" name="ln-695" href="#ln-695"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-696" name="ln-696" href="#ln-696"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-697" name="ln-697" href="#ln-697"></a>
<a id="ln-698" name="ln-698" href="#ln-698"></a><span class="mi">999</span><span class="w"> </span><span class="k">call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'There was an invalid character in STRING'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-699" name="ln-699" href="#ln-699"></a><span class="w"> </span><span class="n">char_string_invalid_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-700" name="ln-700" href="#ln-700"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-701" name="ln-701" href="#ln-701"></a>
<a id="ln-702" name="ln-702" href="#ln-702"></a><span class="w"> </span><span class="k">end subroutine </span><span class="n">read_bitset_string_64</span>
<a id="ln-703" name="ln-703" href="#ln-703"></a>
<a id="ln-704" name="ln-704" href="#ln-704"></a>
<a id="ln-705" name="ln-705" href="#ln-705"></a><span class="w"> </span><span class="k">module subroutine </span><span class="n">read_bitset_unit_64</span><span class="p">(</span><span class="n">self</span><span class="p">,</span><span class="w"> </span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="n">advance</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">)</span>
<a id="ln-706" name="ln-706" href="#ln-706"></a><span class="c">!</span>
<a id="ln-707" name="ln-707" href="#ln-707"></a><span class="c">! Uses the bitset literal at the current position in the formatted</span>
<a id="ln-708" name="ln-708" href="#ln-708"></a><span class="c">! file with I/O unit, `unit`, to define the bitset, `self`. The literal</span>
<a id="ln-709" name="ln-709" href="#ln-709"></a><span class="c">! may be preceded by an arbitrary sequence of blank characters.</span>
<a id="ln-710" name="ln-710" href="#ln-710"></a><span class="c">! If `advance` is present it must be either 'YES' or 'NO'. If absent</span>
<a id="ln-711" name="ln-711" href="#ln-711"></a><span class="c">! it has the default value of 'YES' to determine whether advancing</span>
<a id="ln-712" name="ln-712" href="#ln-712"></a><span class="c">! I/O occurs. If `status` is absent an error results in an error stop</span>
<a id="ln-713" name="ln-713" href="#ln-713"></a><span class="c">! with an informative stop code. If `status` is present it has one of</span>
<a id="ln-714" name="ln-714" href="#ln-714"></a><span class="c">! the values:</span>
<a id="ln-715" name="ln-715" href="#ln-715"></a><span class="c">! * `success` - if no problem occurred,</span>
<a id="ln-716" name="ln-716" href="#ln-716"></a><span class="c">! * `alloc_fault` - if allocation of `self` failed,</span>
<a id="ln-717" name="ln-717" href="#ln-717"></a><span class="c">! * `array_size_invalid_error` - if `bits(self)` in the bitset literal</span>
<a id="ln-718" name="ln-718" href="#ln-718"></a><span class="c">! is greater than 64 for a `bitset_64`.</span>
<a id="ln-719" name="ln-719" href="#ln-719"></a><span class="c">! * `char_string_invalid_error` - if the read of the bitset literal found</span>
<a id="ln-720" name="ln-720" href="#ln-720"></a><span class="c">! an invalid character,</span>
<a id="ln-721" name="ln-721" href="#ln-721"></a><span class="c">! * `eof_failure` - if a `read` statement reaches an end-of-file before</span>
<a id="ln-722" name="ln-722" href="#ln-722"></a><span class="c">! completing the read of the bitset literal,</span>
<a id="ln-723" name="ln-723" href="#ln-723"></a><span class="c">! * `integer_overflow_error` - if the bitset literal has a `bits(self)`</span>
<a id="ln-724" name="ln-724" href="#ln-724"></a><span class="c">! value too large to be represented,</span>
<a id="ln-725" name="ln-725" href="#ln-725"></a><span class="c">! * `read_failure` - if a `read` statement fails,</span>
<a id="ln-726" name="ln-726" href="#ln-726"></a><span class="c">!</span>
<a id="ln-727" name="ln-727" href="#ln-727"></a><span class="w"> </span><span class="k">class</span><span class="p">(</span><span class="n">bitset_64</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">self</span>
<a id="ln-728" name="ln-728" href="#ln-728"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">unit</span>
<a id="ln-729" name="ln-729" href="#ln-729"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="o">*</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">),</span><span class="w"> </span><span class="k">optional</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">advance</span>
<a id="ln-730" name="ln-730" href="#ln-730"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="k">optional</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">status</span>
<a id="ln-731" name="ln-731" href="#ln-731"></a>
<a id="ln-732" name="ln-732" href="#ln-732"></a><span class="w"> </span><span class="kt">integer</span><span class="p">(</span><span class="n">bits_kind</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">bit</span><span class="p">,</span><span class="w"> </span><span class="n">bits</span><span class="p">,</span><span class="w"> </span><span class="nb">digits</span>
<a id="ln-733" name="ln-733" href="#ln-733"></a><span class="nb"> </span><span class="kt">integer</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">ierr</span>
<a id="ln-734" name="ln-734" href="#ln-734"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=</span><span class="mi">128</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">message</span>
<a id="ln-735" name="ln-735" href="#ln-735"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="o">*</span><span class="p">),</span><span class="w"> </span><span class="k">parameter</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"READ_BITSET"</span>
<a id="ln-736" name="ln-736" href="#ln-736"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="nb">char</span>
<a id="ln-737" name="ln-737" href="#ln-737"></a>
<a id="ln-738" name="ln-738" href="#ln-738"></a><span class="nb"> </span><span class="k">do</span>
<a id="ln-739" name="ln-739" href="#ln-739"></a><span class="k"> read</span><span class="p">(</span><span class="w"> </span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-740" name="ln-740" href="#ln-740"></a><span class="w"> </span><span class="n">advance</span><span class="o">=</span><span class="s1">'NO'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-741" name="ln-741" href="#ln-741"></a><span class="w"> </span><span class="n">FMT</span><span class="o">=</span><span class="s1">'(A1)'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-742" name="ln-742" href="#ln-742"></a><span class="w"> </span><span class="n">err</span><span class="o">=</span><span class="mi">997</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-743" name="ln-743" href="#ln-743"></a><span class="w"> </span><span class="k">end</span><span class="o">=</span><span class="mi">998</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-744" name="ln-744" href="#ln-744"></a><span class="w"> </span><span class="n">iostat</span><span class="o">=</span><span class="n">ierr</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-745" name="ln-745" href="#ln-745"></a><span class="w"> </span><span class="n">iomsg</span><span class="o">=</span><span class="n">message</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="nb">char</span>
<a id="ln-746" name="ln-746" href="#ln-746"></a><span class="nb"> </span><span class="k">select case</span><span class="p">(</span><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="p">)</span>
<a id="ln-747" name="ln-747" href="#ln-747"></a><span class="w"> </span><span class="k">case</span><span class="p">(</span><span class="w"> </span><span class="s1">' '</span><span class="w"> </span><span class="p">)</span>
<a id="ln-748" name="ln-748" href="#ln-748"></a><span class="w"> </span><span class="k">cycle</span>
<a id="ln-749" name="ln-749" href="#ln-749"></a><span class="k"> case</span><span class="p">(</span><span class="w"> </span><span class="s1">'s'</span><span class="p">,</span><span class="w"> </span><span class="s1">'S'</span><span class="w"> </span><span class="p">)</span>
<a id="ln-750" name="ln-750" href="#ln-750"></a><span class="w"> </span><span class="k">exit</span>
<a id="ln-751" name="ln-751" href="#ln-751"></a><span class="k"> case </span><span class="n">default</span>
<a id="ln-752" name="ln-752" href="#ln-752"></a><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-753" name="ln-753" href="#ln-753"></a><span class="w"> </span><span class="k">end select</span>
<a id="ln-754" name="ln-754" href="#ln-754"></a><span class="k"> end do</span>
<a id="ln-755" name="ln-755" href="#ln-755"></a>
<a id="ln-756" name="ln-756" href="#ln-756"></a><span class="k"> </span><span class="n">bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="ln-757" name="ln-757" href="#ln-757"></a><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="ln-758" name="ln-758" href="#ln-758"></a><span class="w"> </span><span class="k">do</span>
<a id="ln-759" name="ln-759" href="#ln-759"></a><span class="k"> read</span><span class="p">(</span><span class="w"> </span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-760" name="ln-760" href="#ln-760"></a><span class="w"> </span><span class="n">advance</span><span class="o">=</span><span class="s1">'NO'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-761" name="ln-761" href="#ln-761"></a><span class="w"> </span><span class="n">FMT</span><span class="o">=</span><span class="s1">'(A1)'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-762" name="ln-762" href="#ln-762"></a><span class="w"> </span><span class="n">err</span><span class="o">=</span><span class="mi">998</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-763" name="ln-763" href="#ln-763"></a><span class="w"> </span><span class="k">end</span><span class="o">=</span><span class="mi">999</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-764" name="ln-764" href="#ln-764"></a><span class="w"> </span><span class="n">iostat</span><span class="o">=</span><span class="n">ierr</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-765" name="ln-765" href="#ln-765"></a><span class="w"> </span><span class="n">iomsg</span><span class="o">=</span><span class="n">message</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="nb">char</span>
<a id="ln-766" name="ln-766" href="#ln-766"></a><span class="nb"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s1">'b'</span><span class="w"> </span><span class="p">.</span><span class="nb">or</span><span class="p">.</span><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s1">'B'</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">exit</span>
<a id="ln-767" name="ln-767" href="#ln-767"></a><span class="k"> select case</span><span class="p">(</span><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="p">)</span>
<a id="ln-768" name="ln-768" href="#ln-768"></a><span class="w"> </span><span class="k">case</span><span class="p">(</span><span class="w"> </span><span class="s1">'0'</span><span class="p">,</span><span class="w"> </span><span class="s1">'1'</span><span class="p">,</span><span class="w"> </span><span class="s1">'2'</span><span class="p">,</span><span class="w"> </span><span class="s1">'3'</span><span class="p">,</span><span class="w"> </span><span class="s1">'4'</span><span class="p">,</span><span class="w"> </span><span class="s1">'5'</span><span class="p">,</span><span class="w"> </span><span class="s1">'6'</span><span class="p">,</span><span class="w"> </span><span class="s1">'7'</span><span class="p">,</span><span class="w"> </span><span class="s1">'8'</span><span class="p">,</span><span class="w"> </span><span class="s1">'9'</span><span class="w"> </span><span class="p">)</span>
<a id="ln-769" name="ln-769" href="#ln-769"></a><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span>
<a id="ln-770" name="ln-770" href="#ln-770"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">max_digits</span><span class="w"> </span><span class="p">.</span><span class="nb">AND</span><span class="p">.</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="n">overflow_bits</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">&</span>
<a id="ln-771" name="ln-771" href="#ln-771"></a><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">996</span>
<a id="ln-772" name="ln-772" href="#ln-772"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="n">max_digits</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">996</span>
<a id="ln-773" name="ln-773" href="#ln-773"></a><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">10</span><span class="o">*</span><span class="n">bits</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="nb">iachar</span><span class="p">(</span><span class="nb">char</span><span class="p">)</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="nb">iachar</span><span class="p">(</span><span class="s1">'0'</span><span class="p">)</span>
<a id="ln-774" name="ln-774" href="#ln-774"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">996</span>
<a id="ln-775" name="ln-775" href="#ln-775"></a><span class="w"> </span><span class="k">case </span><span class="n">default</span>
<a id="ln-776" name="ln-776" href="#ln-776"></a><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-777" name="ln-777" href="#ln-777"></a><span class="w"> </span><span class="k">end select</span>
<a id="ln-778" name="ln-778" href="#ln-778"></a><span class="k"> end do</span>
<a id="ln-779" name="ln-779" href="#ln-779"></a>
<a id="ln-780" name="ln-780" href="#ln-780"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">.</span><span class="nb">OR</span><span class="p">.</span><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">.</span><span class="nb">OR</span><span class="p">.</span><span class="w"> </span><span class="nb">digits</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="n">max_digits</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-781" name="ln-781" href="#ln-781"></a>
<a id="ln-782" name="ln-782" href="#ln-782"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="mi">64</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-783" name="ln-783" href="#ln-783"></a><span class="k"> call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'BITS in UNIT was greater than 64.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-784" name="ln-784" href="#ln-784"></a><span class="w"> </span><span class="n">array_size_invalid_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-785" name="ln-785" href="#ln-785"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-786" name="ln-786" href="#ln-786"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-787" name="ln-787" href="#ln-787"></a><span class="k"> end if</span>
<a id="ln-788" name="ln-788" href="#ln-788"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">init</span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="w"> </span><span class="p">)</span>
<a id="ln-789" name="ln-789" href="#ln-789"></a><span class="w"> </span><span class="k">do </span><span class="n">bit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="n">bits</span><span class="o">-</span><span class="mi">1</span>
<a id="ln-790" name="ln-790" href="#ln-790"></a><span class="w"> </span><span class="k">read</span><span class="p">(</span><span class="w"> </span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-791" name="ln-791" href="#ln-791"></a><span class="w"> </span><span class="n">advance</span><span class="o">=</span><span class="s1">'NO'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-792" name="ln-792" href="#ln-792"></a><span class="w"> </span><span class="n">FMT</span><span class="o">=</span><span class="s1">'(A1)'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-793" name="ln-793" href="#ln-793"></a><span class="w"> </span><span class="n">err</span><span class="o">=</span><span class="mi">997</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-794" name="ln-794" href="#ln-794"></a><span class="w"> </span><span class="k">end</span><span class="o">=</span><span class="mi">998</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-795" name="ln-795" href="#ln-795"></a><span class="w"> </span><span class="n">iostat</span><span class="o">=</span><span class="n">ierr</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-796" name="ln-796" href="#ln-796"></a><span class="w"> </span><span class="n">iomsg</span><span class="o">=</span><span class="n">message</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="nb">char</span>
<a id="ln-797" name="ln-797" href="#ln-797"></a><span class="nb"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s1">'0'</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-798" name="ln-798" href="#ln-798"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">clear</span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="o">-</span><span class="n">bit</span><span class="w"> </span><span class="p">)</span>
<a id="ln-799" name="ln-799" href="#ln-799"></a><span class="w"> </span><span class="k">else if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s1">'1'</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-800" name="ln-800" href="#ln-800"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">set</span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="o">-</span><span class="n">bit</span><span class="w"> </span><span class="p">)</span>
<a id="ln-801" name="ln-801" href="#ln-801"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-802" name="ln-802" href="#ln-802"></a><span class="k"> go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-803" name="ln-803" href="#ln-803"></a><span class="w"> </span><span class="k">end if</span>
<a id="ln-804" name="ln-804" href="#ln-804"></a><span class="k"> end do</span>
<a id="ln-805" name="ln-805" href="#ln-805"></a>
<a id="ln-806" name="ln-806" href="#ln-806"></a><span class="k"> read</span><span class="p">(</span><span class="w"> </span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-807" name="ln-807" href="#ln-807"></a><span class="w"> </span><span class="n">advance</span><span class="o">=</span><span class="n">optval</span><span class="p">(</span><span class="n">advance</span><span class="p">,</span><span class="w"> </span><span class="s1">'YES'</span><span class="p">),</span><span class="w"> </span><span class="p">&</span>
<a id="ln-808" name="ln-808" href="#ln-808"></a><span class="w"> </span><span class="n">FMT</span><span class="o">=</span><span class="s1">'(A1)'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-809" name="ln-809" href="#ln-809"></a><span class="w"> </span><span class="n">err</span><span class="o">=</span><span class="mi">997</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-810" name="ln-810" href="#ln-810"></a><span class="w"> </span><span class="k">end</span><span class="o">=</span><span class="mi">998</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-811" name="ln-811" href="#ln-811"></a><span class="w"> </span><span class="n">iostat</span><span class="o">=</span><span class="n">ierr</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-812" name="ln-812" href="#ln-812"></a><span class="w"> </span><span class="n">iomsg</span><span class="o">=</span><span class="n">message</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="nb">char</span>
<a id="ln-813" name="ln-813" href="#ln-813"></a><span class="nb"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s1">'0'</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-814" name="ln-814" href="#ln-814"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">clear</span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="o">-</span><span class="n">bit</span><span class="w"> </span><span class="p">)</span>
<a id="ln-815" name="ln-815" href="#ln-815"></a><span class="w"> </span><span class="k">else if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">char</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s1">'1'</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<a id="ln-816" name="ln-816" href="#ln-816"></a><span class="k"> call </span><span class="n">self</span><span class="w"> </span><span class="p">%</span><span class="w"> </span><span class="n">set</span><span class="p">(</span><span class="w"> </span><span class="n">bits</span><span class="o">-</span><span class="n">bit</span><span class="w"> </span><span class="p">)</span>
<a id="ln-817" name="ln-817" href="#ln-817"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-818" name="ln-818" href="#ln-818"></a><span class="k"> go</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="mi">999</span>
<a id="ln-819" name="ln-819" href="#ln-819"></a><span class="w"> </span><span class="k">end if</span>
<a id="ln-820" name="ln-820" href="#ln-820"></a>
<a id="ln-821" name="ln-821" href="#ln-821"></a><span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nb">present</span><span class="p">(</span><span class="n">status</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="n">status</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">success</span>
<a id="ln-822" name="ln-822" href="#ln-822"></a>
<a id="ln-823" name="ln-823" href="#ln-823"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-824" name="ln-824" href="#ln-824"></a>
<a id="ln-825" name="ln-825" href="#ln-825"></a><span class="mi">996</span><span class="w"> </span><span class="k">call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'Integer overflow in reading size of '</span><span class="w"> </span><span class="o">//</span><span class="w"> </span><span class="p">&</span>
<a id="ln-826" name="ln-826" href="#ln-826"></a><span class="w"> </span><span class="s1">'bitset literal from UNIT.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-827" name="ln-827" href="#ln-827"></a><span class="w"> </span><span class="n">read_failure</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-828" name="ln-828" href="#ln-828"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-829" name="ln-829" href="#ln-829"></a>
<a id="ln-830" name="ln-830" href="#ln-830"></a><span class="mi">997</span><span class="w"> </span><span class="k">call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'Failure on read of UNIT.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-831" name="ln-831" href="#ln-831"></a><span class="w"> </span><span class="n">read_failure</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-832" name="ln-832" href="#ln-832"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-833" name="ln-833" href="#ln-833"></a>
<a id="ln-834" name="ln-834" href="#ln-834"></a><span class="mi">998</span><span class="w"> </span><span class="k">call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'End of File of UNIT before finishing a '</span><span class="w"> </span><span class="o">//</span><span class="w"> </span><span class="p">&</span>
<a id="ln-835" name="ln-835" href="#ln-835"></a><span class="w"> </span><span class="s1">'bitset literal.'</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-836" name="ln-836" href="#ln-836"></a><span class="w"> </span><span class="n">eof_failure</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-837" name="ln-837" href="#ln-837"></a><span class="w"> </span><span class="k">return</span>
<a id="ln-838" name="ln-838" href="#ln-838"></a>
<a id="ln-839" name="ln-839" href="#ln-839"></a><span class="mi">999</span><span class="w"> </span><span class="k">call </span><span class="n">error_handler</span><span class="p">(</span><span class="w"> </span><span class="s1">'Invalid character in bitset literal in UNIT '</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-840" name="ln-840" href="#ln-840"></a><span class="w"> </span><span class="n">char_string_invalid_error</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="p">&</span>
<a id="ln-841" name="ln-841" href="#ln-841"></a><span class="w"> </span><span class="n">module_name</span><span class="p">,</span><span class="w"> </span><span class="k">procedure</span><span class="w"> </span><span class="p">)</span>
<a id="ln-842" name="ln-842" href="#ln-842"></a>