-
Notifications
You must be signed in to change notification settings - Fork 138
/
integer.pmc
1348 lines (896 loc) · 31.4 KB
/
integer.pmc
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
/*
Copyright (C) 2003-2008, Parrot Foundation.
$Id$
=head1 NAME
src/pmc/integer.pmc - Integer PMC class
=head1 DESCRIPTION
C<Integer> provides an integer for languages that want a value-restricted
integer type without going to an I register.
=head2 Functions
=over 4
=cut
*/
#include "pmc/pmc_bigint.h"
static void
maybe_throw_overflow_error(PARROT_INTERP)
{
/* check to see what the behavior is. If the interpreter is set
to throw an exception on overflow. If so, throw the exception,
otherwise, chill out it's no big deal. */
if (PARROT_ERRORS_test(interp, PARROT_ERRORS_OVERFLOW_FLAG))
Parrot_ex_throw_from_c_args(interp, NULL, EXCEPTION_ERR_OVERFLOW,
"Integer overflow");
}
static PMC*
upgrade_self_to_bignum(PARROT_INTERP, PMC *self)
{
/* Do an in-place upgrade to a Bignum of SELF and return a pointer
to it (which is probably redundant, but whatever). */
const INTVAL a = VTABLE_get_integer(interp, self);
pmc_reuse(interp, self, enum_class_BigInt, 0);
VTABLE_set_integer_native(interp, self, a);
return self;
}
pmclass Integer extends scalar provides integer provides scalar auto_attrs {
ATTR INTVAL iv; /* the value of this Integer */
/*
=item C<PMC init_pmc(PMC *init)>
Create a new Integer with arguments passed according to pdd03.
=item C<void init()>
Initializes the integer with a default value of C<0>.
=cut
*/
VTABLE void init() {
Parrot_Integer_attributes * const attrs =
(Parrot_Integer_attributes *)PMC_data(SELF);
attrs->iv = 0;
}
VTABLE void init_pmc(PMC *init) {
Parrot_Integer_attributes * const attrs =
(Parrot_Integer_attributes *)PMC_data(SELF);
attrs->iv = VTABLE_get_integer(INTERP, init);
}
/*
=item C<PMC *clone()>
Creates an exact duplicate of this PMC.
=cut
*/
VTABLE PMC *clone() {
PMC * const clone = pmc_new(INTERP, SELF->vtable->base_type);
VTABLE_set_integer_native(INTERP, clone, SELF.get_integer());
return clone;
}
/*
=item C<void set_pmc(PMC *value)>
Sets the value of the integer to the value in C<*value>.
=cut
*/
VTABLE void set_pmc(PMC *value) {
SELF.set_integer_native(VTABLE_get_integer(INTERP, value));
}
/*
=item C<void share()>
Sets this PMC as shared and read-only.
=cut
*/
VTABLE void share() {
/*
* assume that the access to a long is atomic.
* integers are most often (1) equal to C longs,
* not C ints, and this makes a difference in 64-bit
* platforms where longs are 64-bit but ints are 32-bit.
* (1) Not equal when integers have been configured
* to be software-emulated long longs.
*/
if (sizeof (INTVAL) != sizeof (long))
SUPER();
}
/*
=item C<INTVAL get_integer()>
Returns the integer value of the Integer.
=cut
*/
VTABLE INTVAL get_integer() {
INTVAL iv;
GET_ATTR_iv(INTERP, SELF, iv);
return iv;
}
/*
=item C<INTVAL get_bool()>
Returns the boolean value of the Integer.
=cut
*/
VTABLE INTVAL get_bool() {
INTVAL iv;
GET_ATTR_iv(INTERP, SELF, iv);
return iv ? 1 : 0;
}
/*
=item C<FLOATVAL get_number()>
Returns the floating-point value of the integer.
=cut
*/
VTABLE FLOATVAL get_number() {
INTVAL iv;
GET_ATTR_iv(INTERP, SELF, iv);
return (FLOATVAL)iv;
}
/*
=item C<PMC *get_bignum()>
Return a new BigInt PMC with the value of C<SELF>.
=cut
*/
VTABLE PMC *get_bignum() {
const INTVAL val = SELF.get_integer();
PMC * const ret = pmc_new(INTERP, enum_class_BigInt);
VTABLE_set_integer_native(INTERP, ret, val);
return ret;
}
/*
=item C<STRING *get_string()>
=item C<STRING *get_repr()>
Returns the string value of the integer.
=cut
*/
VTABLE STRING *get_string() {
return Parrot_str_from_int(INTERP, SELF.get_integer());
}
VTABLE STRING *get_repr() {
return Parrot_str_from_int(INTERP, SELF.get_integer());
}
/*
=item C<void set_integer_native(INTVAL value)>
Sets the value of the integer to the value of the C<Integer> C<*value>.
=cut
*/
VTABLE void set_integer_native(INTVAL value) {
SET_ATTR_iv(INTERP, SELF, value);
}
/*
=item C<void set_number_native(FLOATVAL value)>
Morphs the integer to a C<Float> and sets the value from C<value>.
=item C<void set_bool(INTVAL value)>
Morphs the integer to a C<Boolean> and sets the value from C<value>.
=item C<void set_bigint_int(INTVAL value)>
Morphs the integer to a C<BigInt> and sets the value from C<value>.
=item C<void set_string_native(STRING *value)>
Morphs the integer to a C<String> and sets the value from C<value>.
=cut
*/
VTABLE void set_number_native(FLOATVAL value) {
pmc_reuse(INTERP, SELF, enum_class_Float, 0);
SELF.set_number_native(value);
}
VTABLE void set_bool(INTVAL value) {
pmc_reuse(INTERP, SELF, enum_class_Boolean, 0);
SELF.set_bool(value);
}
VTABLE void set_bignum_int(INTVAL value) {
pmc_reuse(INTERP, SELF, enum_class_BigInt, 0);
SELF.set_integer_native(value);
}
VTABLE void set_string_native(STRING *value) {
pmc_reuse(INTERP, SELF, enum_class_String, 0);
SELF.set_string_native(value);
}
/*
=item C<PMC *add(PMC *value, PMC *dest)>
=item C<PMC *add_int(INTVAL value, PMC *dest)>
Adds C<value> to the integer and returns the result in C<*dest>.
=cut
*/
MULTI PMC *add(Integer value, PMC *dest) {
const INTVAL a = SELF.get_integer();
const INTVAL b = VTABLE_get_integer(INTERP, value);
const INTVAL c = a + b;
if ((c^a) >= 0 || (c^b) >= 0) {
dest = pmc_new(INTERP, VTABLE_type(interp, SELF));
/* need this for e.g. Undef PMC */
VTABLE_set_integer_native(INTERP, dest, c);
return dest;
}
else {
PMC * temp;
maybe_throw_overflow_error(interp);
temp = VTABLE_get_bignum(interp, SELF);
return VTABLE_add(interp, temp, value, dest);
}
}
MULTI PMC *add(Complex value, PMC *dest) {
const INTVAL a = SELF.get_integer();
dest = pmc_new(INTERP, VTABLE_type(INTERP, value));
VTABLE_set_number_native(INTERP, dest,
a + VTABLE_get_number_keyed_int(INTERP, value, 0));
VTABLE_set_number_keyed_int(INTERP, dest, 1,
VTABLE_get_number_keyed_int(INTERP, value, 1));
return dest;
}
MULTI PMC *add(BigInt value, PMC *dest) {
PMC *temp;
maybe_throw_overflow_error(interp);
temp = VTABLE_get_bignum(interp, SELF);
return VTABLE_add(interp, temp, value, dest);
}
MULTI PMC *add(DEFAULT value, PMC *dest) {
dest = pmc_new(INTERP, VTABLE_type(interp, value));
VTABLE_set_number_native(INTERP, dest,
SELF.get_integer() + VTABLE_get_number(INTERP, value));
return dest;
}
VTABLE PMC *add_int(INTVAL b, PMC *dest) {
const INTVAL a = VTABLE_get_integer(INTERP, SELF);
const INTVAL c = a + b;
if ((c^a) >= 0 || (c^b) >= 0) {
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
VTABLE_set_integer_native(INTERP, dest, c);
return dest;
}
else {
PMC *temp;
maybe_throw_overflow_error(interp);
temp = VTABLE_get_bignum(interp, SELF);
return VTABLE_add_int(interp, temp, b, dest);
}
}
/*
=item C<void i_add(PMC *value)>
=item C<void i_add(INTVAL value)>
=item C<void i_add(FLOATVAL value)>
Adds C<value> to C<SELF> inplace.
=cut
*/
MULTI void i_add(Integer value) {
STATICSELF.i_add_int(VTABLE_get_integer(INTERP, value));
}
MULTI void i_add(Complex value) {
const INTVAL a = SELF.get_integer();
pmc_reuse(INTERP, SELF, enum_class_Complex, 0);
VTABLE_set_number_native(INTERP, SELF,
SELF.get_integer() + VTABLE_get_number(INTERP, value));
}
MULTI void i_add(DEFAULT value) {
VTABLE_set_number_native(INTERP, SELF,
SELF.get_integer() + VTABLE_get_number(INTERP, value));
}
VTABLE void i_add_int(INTVAL b) {
const INTVAL a = SELF.get_integer();
const INTVAL c = a + b;
if ((c^a) >= 0 || (c^b) >= 0)
VTABLE_set_integer_native(INTERP, SELF, c);
else {
PMC *temp;
maybe_throw_overflow_error(interp);
temp = VTABLE_get_bignum(interp, SELF);
VTABLE_i_add_int(interp, temp, b);
}
}
VTABLE void i_add_float(FLOATVAL value) {
const INTVAL a = SELF.get_integer();
VTABLE_set_number_native(INTERP, SELF, a + value);
}
/*
=item C<PMC *subtract(PMC *value, PMC *dest)>
Subtracts C<*value> from the integer and returns the result in C<*dest>. If
C<dest> is NULL, a PMC of this type.
Please note: as C<SELF> or C<value> maybe be subclassed, we have to call
C<get_integer> and C<set_integer_native> always.
=cut
*/
MULTI PMC *subtract(Integer value, PMC *dest) {
const INTVAL a = SELF.get_integer();
const INTVAL b = VTABLE_get_integer(INTERP, value);
const INTVAL c = a - b;
if ((c^a) >= 0 || (c^~b) >= 0) {
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
VTABLE_set_integer_native(INTERP, dest, c);
return dest;
}
else {
PMC *temp;
maybe_throw_overflow_error(interp);
temp = VTABLE_get_bignum(interp, SELF);
return VTABLE_subtract(interp, temp, value, dest);
}
}
MULTI PMC *subtract(Complex value, PMC *dest) {
const INTVAL a = SELF.get_integer();
dest = pmc_new(INTERP, VTABLE_type(INTERP, value));
VTABLE_set_number_native(INTERP, dest,
a - VTABLE_get_number_keyed_int(INTERP, value, 0));
VTABLE_set_number_keyed_int(INTERP, dest, 1,
-VTABLE_get_number_keyed_int(INTERP, value, 1));
return dest;
}
MULTI PMC *subtract(BigInt value, PMC *dest) {
PMC *temp;
maybe_throw_overflow_error(interp);
temp = VTABLE_get_bignum(interp, SELF);
return VTABLE_subtract(interp, temp, value, dest);
}
MULTI PMC *subtract(DEFAULT value, PMC *dest) {
dest = pmc_new(INTERP, VTABLE_type(INTERP, value));
VTABLE_set_number_native(INTERP, dest,
SELF.get_integer() - VTABLE_get_number(INTERP, value));
return dest;
}
/*
=item C<PMC *subtract_int(INTVAL value, PMC *dest)>
Subtracts C<value> from the integer and returns the result in C<*dest>.
=cut
*/
VTABLE PMC *subtract_int(INTVAL b, PMC *dest) {
const INTVAL a = SELF.get_integer();
const INTVAL c = a - b;
if ((c^a) >= 0 || (c^~b) >= 0) {
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
VTABLE_set_integer_native(INTERP, dest, c);
return dest;
}
else {
PMC *temp;
maybe_throw_overflow_error(interp);
temp = VTABLE_get_bignum(interp, SELF);
return VTABLE_subtract_int(interp, temp, b, dest);
}
}
/*
=item C<void i_subtract(PMC *value)>
=item C<void i_subtract_int(INTVAL value)>
=item C<void i_subtract_float(FLOATVAL value)>
Subtracts C<value> from C<SELF> inplace.
=cut
*/
MULTI void i_subtract(Integer value) {
const INTVAL a = SELF.get_integer();
const INTVAL b = VTABLE_get_integer(INTERP, value);
const INTVAL c = a - b;
if ((c^a) >= 0 || (c^~b) >= 0)
VTABLE_set_integer_native(INTERP, SELF, c);
else {
maybe_throw_overflow_error(interp);
SELF = upgrade_self_to_bignum(interp, SELF);
VTABLE_i_subtract(interp, SELF, value);
}
}
MULTI void i_subtract(Complex value) {
const INTVAL a = SELF.get_integer();
pmc_reuse(INTERP, SELF, enum_class_Complex, 0);
VTABLE_set_number_native(INTERP, SELF,
(FLOATVAL)a - VTABLE_get_number_keyed_int(INTERP, value, 0));
VTABLE_set_number_keyed_int(INTERP, SELF, 1,
-VTABLE_get_number_keyed_int(INTERP, value, 1));
}
MULTI void i_subtract(DEFAULT value) {
VTABLE_set_number_native(INTERP, SELF,
SELF.get_integer() - VTABLE_get_number(INTERP, value));
}
VTABLE void i_subtract_int(INTVAL b) {
const INTVAL a = SELF.get_integer();
const INTVAL c = a - b;
if ((c^a) >= 0 || (c^~b) >= 0)
VTABLE_set_integer_native(INTERP, SELF, c);
else {
maybe_throw_overflow_error(INTERP);
SELF = upgrade_self_to_bignum(INTERP, SELF);
VTABLE_i_subtract_int(INTERP, SELF, b);
}
}
VTABLE void i_subtract_float(FLOATVAL value) {
const INTVAL a = SELF.get_integer();
VTABLE_set_number_native(INTERP, SELF, a - value);
}
/*
=item C<PMC *multiply(PMC *value, PMC *dest)>
=item C<PMC *multiply_int(INTVAL value, PMC *dest)>
Multiplies the integer by C<*value> and returns the result in C<*dest>.
=cut
*/
MULTI PMC *multiply(Integer value, PMC *dest) {
const INTVAL a = VTABLE_get_integer(INTERP, SELF);
const INTVAL b = VTABLE_get_integer(INTERP, value);
const INTVAL c = a * b;
const double cf = (double)a * (double)b;
if ((double) c == cf) {
dest = pmc_new(INTERP, VTABLE_type(interp, SELF));
VTABLE_set_integer_native(INTERP, dest, c);
return dest;
}
else {
PMC *temp;
maybe_throw_overflow_error(INTERP);
temp = VTABLE_get_bignum(INTERP, SELF);
return VTABLE_multiply(INTERP, temp, value, dest);
}
}
MULTI PMC *multiply(Complex value, PMC *dest) {
return VTABLE_multiply(INTERP, value, SELF, dest);
}
MULTI PMC *multiply(BigInt value, PMC *dest) {
return VTABLE_multiply_int(INTERP, value, SELF.get_integer(), dest);
}
MULTI PMC *multiply(String value, PMC *dest) {
return Parrot_Integer_multi_multiply_Integer_PMC(INTERP, SELF, value, dest);
}
MULTI PMC *multiply(DEFAULT value, PMC *dest) {
const FLOATVAL valf = VTABLE_get_number(INTERP, value);
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
VTABLE_set_number_native(INTERP, dest, SELF.get_number() * valf);
return dest;
}
VTABLE PMC *multiply_int(INTVAL b, PMC *dest) {
const INTVAL a = SELF.get_integer();
const INTVAL c = a * b;
const double cf = (double)a * (double)b;
if ((double) c == cf) {
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
VTABLE_set_integer_native(INTERP, dest, c);
return dest;
}
else {
PMC *temp;
maybe_throw_overflow_error(INTERP);
temp = VTABLE_get_bignum(INTERP, SELF);
return VTABLE_multiply_int(INTERP, temp, b, dest);
}
}
/*
=item C<void i_multiply(PMC *value)>
=item C<void i_multiply_int(INTVAL value)>
=item C<void i_multiply_float(FLOATVAL value)>
Multiply C<value> with C<SELF> inplace.
=cut
*/
MULTI void i_multiply(Integer value) {
STATICSELF.i_multiply_int(VTABLE_get_integer(INTERP, value));
}
MULTI void i_multiply(BigInt value) {
interp->vtables[enum_class_BigInt]->multiply_int(INTERP, value, SELF.get_integer(), SELF);
}
MULTI void i_multiply(Complex value) {
VTABLE_multiply(INTERP, value, SELF, SELF);
}
MULTI void i_multiply(DEFAULT value) {
VTABLE_set_number_native(INTERP, SELF,
SELF.get_integer() * VTABLE_get_number(INTERP, value));
}
VTABLE void i_multiply_int(INTVAL b) {
const INTVAL a = SELF.get_integer();
const INTVAL c = a * b;
const double cf = (double)a * (double)b;
if ((double) c == cf)
SELF.set_integer_native(c);
else {
maybe_throw_overflow_error(INTERP);
upgrade_self_to_bignum(INTERP, SELF);
VTABLE_i_multiply_int(INTERP, SELF, b);
}
}
VTABLE void i_multiply_float(FLOATVAL value) {
const INTVAL a = SELF.get_integer();
VTABLE_set_number_native(INTERP, SELF, a * value);
}
/*
=item C<PMC *divide(PMC *value, PMC *dest)>
=item C<PMC *divide_int(INTVAL value, PMC *dest)>
=item C<PMC *divide_float(FLOATVAL value, PMC *dest)>
Divides the number by C<value> and returns the result in C<*dest>.
=item C<void i_divide(PMC *value)>
=item C<void i_divide_int(INTVAL value)>
=item C<void i_divide_float(FLOATVAL value)>
Divides C<SELF> by C<value> inplace.
=cut
*/
MULTI PMC *divide(BigInt value, PMC *dest) {
PMC *temp;
maybe_throw_overflow_error(INTERP);
temp = VTABLE_get_bignum(INTERP, SELF);
return VTABLE_divide(INTERP, temp, value, dest);
}
MULTI PMC *divide(DEFAULT value, PMC *dest) {
const FLOATVAL d = VTABLE_get_number(INTERP, value);
if (FLOAT_IS_ZERO(d))
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"float division by zero");
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
VTABLE_set_number_native(INTERP, dest, SELF.get_number() / d);
return dest;
}
MULTI void i_divide(BigInt value) {
maybe_throw_overflow_error(INTERP);
SELF = upgrade_self_to_bignum(INTERP, SELF);
VTABLE_i_divide(INTERP, SELF, value);
}
MULTI void i_divide(DEFAULT value) {
const FLOATVAL d = VTABLE_get_number(INTERP, value);
if (FLOAT_IS_ZERO(d))
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"float division by zero");
VTABLE_set_number_native(INTERP, SELF, SELF.get_number() / d);
}
/*
=item C<PMC *floor_divide(PMC *value, PMC *dest)>
=item C<PMC *floor_divide_int(INTVAL value, PMC *dest)>
=item C<PMC *floor_divide_float(FLOATVAL value, PMC *dest)>
Divides the number by C<value> and returns the result in C<*dest>.
=item C<void i_floor_divide(PMC *value)>
=item C<void i_floor_divide_int(INTVAL value)>
=item C<void i_floor_divide_float(FLOATVAL value)>
Divides C<SELF> by C<value> inplace.
=cut
*/
MULTI PMC *floor_divide(BigInt value, PMC *dest) {
PMC *temp;
maybe_throw_overflow_error(INTERP);
temp = VTABLE_get_bignum(INTERP, SELF);
return VTABLE_floor_divide(INTERP, temp, value, dest);
}
MULTI PMC *floor_divide(DEFAULT value, PMC *dest) {
const FLOATVAL d = VTABLE_get_number(INTERP, value);
FLOATVAL f;
if (FLOAT_IS_ZERO(d))
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"float division by zero");
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
f = floor(SELF.get_number() / d);
VTABLE_set_integer_native(INTERP, dest, (INTVAL)f);
return dest;
}
VTABLE PMC *floor_divide_int(INTVAL value, PMC *dest) {
FLOATVAL f;
if (value == 0)
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"float division by zero");
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
f = floor(SELF.get_number() / value);
VTABLE_set_integer_native(INTERP, dest, (INTVAL)f);
return dest;
}
VTABLE PMC *floor_divide_float(FLOATVAL value, PMC *dest) {
FLOATVAL f;
if (FLOAT_IS_ZERO(value))
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"float division by zero");
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
f = floor(SELF.get_number() / value);
VTABLE_set_integer_native(INTERP, dest, (INTVAL)f);
return dest;
}
MULTI void i_floor_divide(BigInt value) {
maybe_throw_overflow_error(INTERP);
SELF = upgrade_self_to_bignum(INTERP, SELF);
VTABLE_i_floor_divide(INTERP, SELF, value);
}
MULTI void i_floor_divide(DEFAULT value) {
const FLOATVAL d = VTABLE_get_number(INTERP, value);
FLOATVAL f;
if (FLOAT_IS_ZERO(d))
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"float division by zero");
f = floor(SELF.get_number() / d);
VTABLE_set_integer_native(INTERP, SELF, (INTVAL)f);
}
VTABLE void i_floor_divide_int(INTVAL value) {
FLOATVAL f;
if (value == 0)
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"float division by zero");
f = floor(SELF.get_number() / value);
VTABLE_set_integer_native(INTERP, SELF, (INTVAL)f);
}
VTABLE void i_floor_divide_float(FLOATVAL value) {
FLOATVAL f;
INTVAL self_val;
if (FLOAT_IS_ZERO(value))
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"float division by zero");
f = floor(SELF.get_number() / value);
VTABLE_set_integer_native(INTERP, SELF, (INTVAL)f);
}
/*
=item C<PMC *modulus(PMC *value, PMC *dest)>
=item C<PMC *modulus(INTVAL value, PMC *dest)>
=item C<PMC *modulus(FLOATVAL value, PMC *dest)>
Calculates the value of corrected C<mod> C<value> and returns
the result in C<dest>. See also ops/math.ops.
=item C<void i_modulus(PMC *value)>
=item C<void i_modulus(INTVAL value)>
=item C<void i_modulus(FLOATVAL value)>
Calculates modulus in place.
=cut
*/
MULTI PMC *modulus(BigInt value, PMC *dest) {
PMC *temp;
maybe_throw_overflow_error(INTERP);
temp = VTABLE_get_bignum(INTERP, SELF);
return VTABLE_modulus(INTERP, temp, value, dest);
}
MULTI PMC *modulus(DEFAULT value, PMC *dest) {
const INTVAL d = VTABLE_get_integer(INTERP, value);
if (d == 0)
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"int modulus by zero");
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
VTABLE_set_integer_native(INTERP, dest,
intval_mod(SELF.get_integer(), d));
return dest;
}
VTABLE PMC *modulus_int(INTVAL value, PMC *dest) {
if (value == 0)
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"int modulus by zero");
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
VTABLE_set_integer_native(INTERP, dest,
intval_mod(SELF.get_integer(), value));
return dest;
}
VTABLE PMC *modulus_float(FLOATVAL value, PMC *dest) {
if (FLOAT_IS_ZERO(value))
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"int modulus by zero");
dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
VTABLE_set_integer_native(INTERP, dest,
intval_mod(SELF.get_integer(), (INTVAL)value));
return dest;
}
MULTI void i_modulus(BigInt value) {
maybe_throw_overflow_error(INTERP);
SELF = upgrade_self_to_bignum(INTERP, SELF);
VTABLE_i_modulus(INTERP, SELF, value);
}
MULTI void i_modulus(DEFAULT value) {
const INTVAL d = VTABLE_get_integer(INTERP, value);
if (d == 0)
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"int modulus by zero");
VTABLE_set_integer_native(INTERP, SELF,
intval_mod(SELF.get_integer(), d));
}
VTABLE void i_modulus_int(INTVAL value) {
if (value == 0)
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"int modulus by zero");
VTABLE_set_integer_native(INTERP, SELF,
intval_mod(SELF.get_integer() , value));
}
VTABLE void i_modulus_float(FLOATVAL value) {
if (FLOAT_IS_ZERO(value))
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_DIV_BY_ZERO,
"int modulus by zero");
VTABLE_set_integer_native(INTERP, SELF,
intval_mod(SELF.get_integer() , (INTVAL)value));
}
/*
=item C<PMC *pow(PMC *value, PMC *dest)>