-
Notifications
You must be signed in to change notification settings - Fork 65
/
FloatMathPlugin.class.st
388 lines (361 loc) · 13.1 KB
/
FloatMathPlugin.class.st
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
Class {
#name : #FloatMathPlugin,
#superclass : #InterpreterPlugin,
#category : #'VMMaker-Plugins'
}
{ #category : #translation }
FloatMathPlugin class >> hasHeaderFile [
"If there is a single intrinsic header file to be associated with the plugin, here is where you want to flag"
^true
]
{ #category : #translation }
FloatMathPlugin class >> requiresCrossPlatformFiles [
"default is ok for most, any plugin needing platform specific files must say so"
^true
]
{ #category : #simulation }
FloatMathPlugin class >> simulatorClass [
^FloatMathPluginSimulator
]
{ #category : #'float primitives' }
FloatMathPlugin >> floatExponentBits [
"Answer the number of bits in the double-precision exponent. This is an 11-bit field."
<inline: true>
^11
]
{ #category : #'float primitives' }
FloatMathPlugin >> isFinite: aDouble [
<var: #aDouble type: #double>
<inline: true>
^aDouble - aDouble = 0.0
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveArcCos [
"Computes acos(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_acos(rcvr)' inSmalltalk: [rcvr arcCos].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveArcCosH [
"Computes acosh(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_acosh(rcvr)' inSmalltalk: [rcvr arcCosH].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveArcSin [
"Computes asin(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_asin(rcvr)' inSmalltalk: [rcvr arcSin].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveArcSinH [
"Computes asinh(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_asinh(rcvr)' inSmalltalk: [rcvr arcSinH].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveArcTan [
"Computes atan(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_atan(rcvr)' inSmalltalk: [rcvr arcTan].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveArcTan2 [
"Computes atan2(receiver, arg)"
| rcvr arg result |
<export: true>
<var: #rcvr type: 'double'>
<var: #arg type: 'double'>
<var: #result type: 'double'>
arg := interpreterProxy stackFloatValue: 0.
rcvr := interpreterProxy stackFloatValue: 1.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_atan2(rcvr, arg)' inSmalltalk: [rcvr arcTan: arg].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveArcTanH [
"Computes atanh(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_atanh(rcvr)' inSmalltalk: [rcvr arcTanH].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveCos [
"Computes cos(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_cos(rcvr)' inSmalltalk: [rcvr cos].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveCosH [
"Computes cosh(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_cosh(rcvr)' inSmalltalk: [rcvr cosH].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveExp [
"Computes E raised to the receiver power."
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := (self cCode: '__ieee754_exp(rcvr)' inSmalltalk: [rcvr exp]).
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveFMod [
"Computes receiver \\ arg"
| rcvr arg result |
<export: true>
<var: #rcvr type: 'double'>
<var: #arg type: 'double'>
<var: #result type: 'double'>
arg := interpreterProxy stackFloatValue: 0.
rcvr := interpreterProxy stackFloatValue: 1.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_fmod(rcvr, arg)' inSmalltalk: [rcvr \\ arg].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveFractionalPart [
"Computes receiver \\ 1.0"
| rcvr result trunc |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
<var: #trunc type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_modf(rcvr, &trunc)' inSmalltalk: [rcvr fractionPart].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveHypot [
"hypot(x,y) returns sqrt(x^2+y^2) with error less than 1 ulps"
| rcvr arg result |
<export: true>
<var: #rcvr type: 'double'>
<var: #arg type: 'double'>
<var: #result type: 'double'>
arg := interpreterProxy stackFloatValue: 0.
rcvr := interpreterProxy stackFloatValue: 1.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_hypot(rcvr, arg)' inSmalltalk: [rcvr hypot: arg].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveLog10 [
"Computes log10(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
rcvr < 0.0 ifTrue:[^interpreterProxy primitiveFail].
result := self cCode: '__ieee754_log10(rcvr)' inSmalltalk: [rcvr log: 10].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveLogN [
"Computes log(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
rcvr < 0.0 ifTrue:[^interpreterProxy primitiveFail].
result := self cCode: '__ieee754_log(rcvr)' inSmalltalk: [rcvr ln].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveRaisedToPower [
"Computes receiver**arg"
| rcvr arg result |
<export: true>
<var: #rcvr type: 'double'>
<var: #arg type: 'double'>
<var: #result type: 'double'>
arg := interpreterProxy stackFloatValue: 0.
rcvr := interpreterProxy stackFloatValue: 1.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_pow(rcvr, arg)' inSmalltalk: [rcvr raisedTo: arg].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveSin [
"Computes sin(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_sin(rcvr)' inSmalltalk: [rcvr sin].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveSinH [
"Computes sinh(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_sinh(rcvr)' inSmalltalk: [rcvr sinH].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveSqrt [
"Computes sqrt(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
rcvr < 0.0 ifTrue:[^interpreterProxy primitiveFail].
result := self cCode: '__ieee754_sqrt(rcvr)' inSmalltalk: [rcvr sqrt].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveTan [
"Computes tan(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_tan(rcvr)' inSmalltalk: [rcvr tan].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveTanH [
"Computes tanh(receiver)"
| rcvr result |
<export: true>
<var: #rcvr type: 'double'>
<var: #result type: 'double'>
rcvr := interpreterProxy stackFloatValue: 0.
(interpreterProxy failed) ifTrue:[^nil].
result := self cCode: '__ieee754_tanh(rcvr)' inSmalltalk: [rcvr tanH].
(self isnan: result) ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: interpreterProxy methodArgumentCount + 1.
interpreterProxy pushFloat: result.
]
{ #category : #'float primitives' }
FloatMathPlugin >> primitiveTimesTwoPower [
"Multiply the receiver by the power of the argument."
| rcvr arg result |
<export: true>
<var: #rcvr type: #double>
<var: #result type: #double>
arg := interpreterProxy stackIntegerValue: 0.
rcvr := interpreterProxy stackFloatValue: 1.
interpreterProxy failed ifTrue:
[^nil].
interpreterProxy bytesPerOop > 4 ifTrue:
[| twiceMaxExponent | "clip arg to at most int range; ldexp's last arg is of type int"
twiceMaxExponent := 2 * (1 << self floatExponentBits).
arg < twiceMaxExponent negated
ifTrue: [arg := twiceMaxExponent negated]
ifFalse: [arg > twiceMaxExponent ifTrue:
[arg := twiceMaxExponent]]].
result := self cCode: '__ieee754_ldexp(rcvr, (int)arg)'
inSmalltalk: [rcvr timesTwoPower: arg].
(self isnan: result) ifFalse:
[interpreterProxy methodReturnFloat: result].
^nil
]