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gerrit-public.fairphone.software / platform / frameworks / rs / 0b0bcff691d047da1d658889866c6a0347850f1c / . / driver / runtime / rs_cl.c
blob: 3a9252a9e04d8b1405e8e341ef2defdd1ee85059 [file] [log] [blame]
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]1#include "rs_types.rsh"
2
3extern float2 __attribute__((overloadable)) convert_float2(int2 c);
4extern float3 __attribute__((overloadable)) convert_float3(int3 c);
5extern float4 __attribute__((overloadable)) convert_float4(int4 c);
6
7extern int2 __attribute__((overloadable)) convert_int2(float2 c);
8extern int3 __attribute__((overloadable)) convert_int3(float3 c);
9extern int4 __attribute__((overloadable)) convert_int4(float4 c);
10
11
12extern float __attribute__((overloadable)) fmin(float v, float v2);
13extern float2 __attribute__((overloadable)) fmin(float2 v, float v2);
14extern float3 __attribute__((overloadable)) fmin(float3 v, float v2);
15extern float4 __attribute__((overloadable)) fmin(float4 v, float v2);
16
17extern float __attribute__((overloadable)) fmax(float v, float v2);
18extern float2 __attribute__((overloadable)) fmax(float2 v, float v2);
19extern float3 __attribute__((overloadable)) fmax(float3 v, float v2);
20extern float4 __attribute__((overloadable)) fmax(float4 v, float v2);
21
22// Float ops, 6.11.2
23
24#define FN_FUNC_FN(fnc) \
25extern float2 __attribute__((overloadable)) fnc(float2 v) { \
26 float2 r; \
27 r.x = fnc(v.x); \
28 r.y = fnc(v.y); \
29 return r; \
30} \
31extern float3 __attribute__((overloadable)) fnc(float3 v) { \
32 float3 r; \
33 r.x = fnc(v.x); \
34 r.y = fnc(v.y); \
35 r.z = fnc(v.z); \
36 return r; \
37} \
38extern float4 __attribute__((overloadable)) fnc(float4 v) { \
39 float4 r; \
40 r.x = fnc(v.x); \
41 r.y = fnc(v.y); \
42 r.z = fnc(v.z); \
43 r.w = fnc(v.w); \
44 return r; \
45}
46
47#define IN_FUNC_FN(fnc) \
48extern int2 __attribute__((overloadable)) fnc(float2 v) { \
49 int2 r; \
50 r.x = fnc(v.x); \
51 r.y = fnc(v.y); \
52 return r; \
53} \
54extern int3 __attribute__((overloadable)) fnc(float3 v) { \
55 int3 r; \
56 r.x = fnc(v.x); \
57 r.y = fnc(v.y); \
58 r.z = fnc(v.z); \
59 return r; \
60} \
61extern int4 __attribute__((overloadable)) fnc(float4 v) { \
62 int4 r; \
63 r.x = fnc(v.x); \
64 r.y = fnc(v.y); \
65 r.z = fnc(v.z); \
66 r.w = fnc(v.w); \
67 return r; \
68}
69
70#define FN_FUNC_FN_FN(fnc) \
71extern float2 __attribute__((overloadable)) fnc(float2 v1, float2 v2) { \
72 float2 r; \
73 r.x = fnc(v1.x, v2.x); \
74 r.y = fnc(v1.y, v2.y); \
75 return r; \
76} \
77extern float3 __attribute__((overloadable)) fnc(float3 v1, float3 v2) { \
78 float3 r; \
79 r.x = fnc(v1.x, v2.x); \
80 r.y = fnc(v1.y, v2.y); \
81 r.z = fnc(v1.z, v2.z); \
82 return r; \
83} \
84extern float4 __attribute__((overloadable)) fnc(float4 v1, float4 v2) { \
85 float4 r; \
86 r.x = fnc(v1.x, v2.x); \
87 r.y = fnc(v1.y, v2.y); \
88 r.z = fnc(v1.z, v2.z); \
89 r.w = fnc(v1.w, v2.w); \
90 return r; \
91}
92
93#define FN_FUNC_FN_F(fnc) \
94extern float2 __attribute__((overloadable)) fnc(float2 v1, float v2) { \
95 float2 r; \
96 r.x = fnc(v1.x, v2); \
97 r.y = fnc(v1.y, v2); \
98 return r; \
99} \
100extern float3 __attribute__((overloadable)) fnc(float3 v1, float v2) { \
101 float3 r; \
102 r.x = fnc(v1.x, v2); \
103 r.y = fnc(v1.y, v2); \
104 r.z = fnc(v1.z, v2); \
105 return r; \
106} \
107extern float4 __attribute__((overloadable)) fnc(float4 v1, float v2) { \
108 float4 r; \
109 r.x = fnc(v1.x, v2); \
110 r.y = fnc(v1.y, v2); \
111 r.z = fnc(v1.z, v2); \
112 r.w = fnc(v1.w, v2); \
113 return r; \
114}
115
116#define FN_FUNC_FN_IN(fnc) \
117extern float2 __attribute__((overloadable)) fnc(float2 v1, int2 v2) { \
118 float2 r; \
119 r.x = fnc(v1.x, v2.x); \
120 r.y = fnc(v1.y, v2.y); \
121 return r; \
122} \
123extern float3 __attribute__((overloadable)) fnc(float3 v1, int3 v2) { \
124 float3 r; \
125 r.x = fnc(v1.x, v2.x); \
126 r.y = fnc(v1.y, v2.y); \
127 r.z = fnc(v1.z, v2.z); \
128 return r; \
129} \
130extern float4 __attribute__((overloadable)) fnc(float4 v1, int4 v2) { \
131 float4 r; \
132 r.x = fnc(v1.x, v2.x); \
133 r.y = fnc(v1.y, v2.y); \
134 r.z = fnc(v1.z, v2.z); \
135 r.w = fnc(v1.w, v2.w); \
136 return r; \
137}
138
139#define FN_FUNC_FN_I(fnc) \
140extern float2 __attribute__((overloadable)) fnc(float2 v1, int v2) { \
141 float2 r; \
142 r.x = fnc(v1.x, v2); \
143 r.y = fnc(v1.y, v2); \
144 return r; \
145} \
146extern float3 __attribute__((overloadable)) fnc(float3 v1, int v2) { \
147 float3 r; \
148 r.x = fnc(v1.x, v2); \
149 r.y = fnc(v1.y, v2); \
150 r.z = fnc(v1.z, v2); \
151 return r; \
152} \
153extern float4 __attribute__((overloadable)) fnc(float4 v1, int v2) { \
154 float4 r; \
155 r.x = fnc(v1.x, v2); \
156 r.y = fnc(v1.y, v2); \
157 r.z = fnc(v1.z, v2); \
158 r.w = fnc(v1.w, v2); \
159 return r; \
160}
161
162#define FN_FUNC_FN_PFN(fnc) \
163extern float2 __attribute__((overloadable)) \
164 fnc(float2 v1, float2 *v2) { \
165 float2 r; \
166 float t[2]; \
167 r.x = fnc(v1.x, &t[0]); \
168 r.y = fnc(v1.y, &t[1]); \
169 v2->x = t[0]; \
170 v2->y = t[1]; \
171 return r; \
172} \
173extern float3 __attribute__((overloadable)) \
174 fnc(float3 v1, float3 *v2) { \
175 float3 r; \
176 float t[3]; \
177 r.x = fnc(v1.x, &t[0]); \
178 r.y = fnc(v1.y, &t[1]); \
179 r.z = fnc(v1.z, &t[2]); \
180 v2->x = t[0]; \
181 v2->y = t[1]; \
182 v2->z = t[2]; \
183 return r; \
184} \
185extern float4 __attribute__((overloadable)) \
186 fnc(float4 v1, float4 *v2) { \
187 float4 r; \
188 float t[4]; \
189 r.x = fnc(v1.x, &t[0]); \
190 r.y = fnc(v1.y, &t[1]); \
191 r.z = fnc(v1.z, &t[2]); \
192 r.w = fnc(v1.w, &t[3]); \
193 v2->x = t[0]; \
194 v2->y = t[1]; \
195 v2->z = t[2]; \
196 v2->w = t[3]; \
197 return r; \
198}
199
200#define FN_FUNC_FN_PIN(fnc) \
201extern float2 __attribute__((overloadable)) fnc(float2 v1, int2 *v2) { \
202 float2 r; \
203 int t[2]; \
204 r.x = fnc(v1.x, &t[0]); \
205 r.y = fnc(v1.y, &t[1]); \
206 v2->x = t[0]; \
207 v2->y = t[1]; \
208 return r; \
209} \
210extern float3 __attribute__((overloadable)) fnc(float3 v1, int3 *v2) { \
211 float3 r; \
212 int t[3]; \
213 r.x = fnc(v1.x, &t[0]); \
214 r.y = fnc(v1.y, &t[1]); \
215 r.z = fnc(v1.z, &t[2]); \
216 v2->x = t[0]; \
217 v2->y = t[1]; \
218 v2->z = t[2]; \
219 return r; \
220} \
221extern float4 __attribute__((overloadable)) fnc(float4 v1, int4 *v2) { \
222 float4 r; \
223 int t[4]; \
224 r.x = fnc(v1.x, &t[0]); \
225 r.y = fnc(v1.y, &t[1]); \
226 r.z = fnc(v1.z, &t[2]); \
227 r.w = fnc(v1.w, &t[3]); \
228 v2->x = t[0]; \
229 v2->y = t[1]; \
230 v2->z = t[2]; \
231 v2->w = t[3]; \
232 return r; \
233}
234
235#define FN_FUNC_FN_FN_FN(fnc) \
236extern float2 __attribute__((overloadable)) \
237 fnc(float2 v1, float2 v2, float2 v3) { \
238 float2 r; \
239 r.x = fnc(v1.x, v2.x, v3.x); \
240 r.y = fnc(v1.y, v2.y, v3.y); \
241 return r; \
242} \
243extern float3 __attribute__((overloadable)) \
244 fnc(float3 v1, float3 v2, float3 v3) { \
245 float3 r; \
246 r.x = fnc(v1.x, v2.x, v3.x); \
247 r.y = fnc(v1.y, v2.y, v3.y); \
248 r.z = fnc(v1.z, v2.z, v3.z); \
249 return r; \
250} \
251extern float4 __attribute__((overloadable)) \
252 fnc(float4 v1, float4 v2, float4 v3) { \
253 float4 r; \
254 r.x = fnc(v1.x, v2.x, v3.x); \
255 r.y = fnc(v1.y, v2.y, v3.y); \
256 r.z = fnc(v1.z, v2.z, v3.z); \
257 r.w = fnc(v1.w, v2.w, v3.w); \
258 return r; \
259}
260
261#define FN_FUNC_FN_FN_PIN(fnc) \
262extern float2 __attribute__((overloadable)) \
263 fnc(float2 v1, float2 v2, int2 *v3) { \
264 float2 r; \
265 int t[2]; \
266 r.x = fnc(v1.x, v2.x, &t[0]); \
267 r.y = fnc(v1.y, v2.y, &t[1]); \
268 v3->x = t[0]; \
269 v3->y = t[1]; \
270 return r; \
271} \
272extern float3 __attribute__((overloadable)) \
273 fnc(float3 v1, float3 v2, int3 *v3) { \
274 float3 r; \
275 int t[3]; \
276 r.x = fnc(v1.x, v2.x, &t[0]); \
277 r.y = fnc(v1.y, v2.y, &t[1]); \
278 r.z = fnc(v1.z, v2.z, &t[2]); \
279 v3->x = t[0]; \
280 v3->y = t[1]; \
281 v3->z = t[2]; \
282 return r; \
283} \
284extern float4 __attribute__((overloadable)) \
285 fnc(float4 v1, float4 v2, int4 *v3) { \
286 float4 r; \
287 int t[4]; \
288 r.x = fnc(v1.x, v2.x, &t[0]); \
289 r.y = fnc(v1.y, v2.y, &t[1]); \
290 r.z = fnc(v1.z, v2.z, &t[2]); \
291 r.w = fnc(v1.w, v2.w, &t[3]); \
292 v3->x = t[0]; \
293 v3->y = t[1]; \
294 v3->z = t[2]; \
295 v3->w = t[3]; \
296 return r; \
297}
298
299static const int iposinf = 0x7f800000;
300static const int ineginf = 0xff800000;
301
302static const float posinf() {
303 float f = *((float*)&iposinf);
304 return f;
305}
306
307static const float neginf() {
308 float f = *((float*)&ineginf);
309 return f;
310}
311
312static bool isinf(float f) {
313 int i = *((int*)(void*)&f);
314 return (i == iposinf) || (i == ineginf);
315}
316
317static bool isnan(float f) {
318 int i = *((int*)(void*)&f);
319 return (((i & 0x7f800000) == 0x7f800000) && (i & 0x007fffff));
320}
321
322static bool isposzero(float f) {
323 int i = *((int*)(void*)&f);
324 return (i == 0x00000000);
325}
326
327static bool isnegzero(float f) {
328 int i = *((int*)(void*)&f);
329 return (i == 0x80000000);
330}
331
332static bool iszero(float f) {
333 return isposzero(f) || isnegzero(f);
334}
335
336
337extern float __attribute__((overloadable)) acos(float);
338FN_FUNC_FN(acos)
339
340extern float __attribute__((overloadable)) acosh(float);
341FN_FUNC_FN(acosh)
342
343
344extern float __attribute__((overloadable)) acospi(float v) {
345 return acos(v) / M_PI;
346}
347FN_FUNC_FN(acospi)
348
349extern float __attribute__((overloadable)) asin(float);
350FN_FUNC_FN(asin)
351
352extern float __attribute__((overloadable)) asinh(float);
353FN_FUNC_FN(asinh)
354
355extern float __attribute__((overloadable)) asinpi(float v) {
356 return asin(v) / M_PI;
357}
358FN_FUNC_FN(asinpi)
359
360extern float __attribute__((overloadable)) atan(float);
361FN_FUNC_FN(atan)
362
363extern float __attribute__((overloadable)) atan2(float, float);
364FN_FUNC_FN_FN(atan2)
365
366extern float __attribute__((overloadable)) atanh(float);
367FN_FUNC_FN(atanh)
368
369extern float __attribute__((overloadable)) atanpi(float v) {
370 return atan(v) / M_PI;
371}
372FN_FUNC_FN(atanpi)
373
374
375extern float __attribute__((overloadable)) atan2pi(float y, float x) {
376 return atan2(y, x) / M_PI;
377}
378FN_FUNC_FN_FN(atan2pi)
379
380extern float __attribute__((overloadable)) cbrt(float);
381FN_FUNC_FN(cbrt)
382
383extern float __attribute__((overloadable)) ceil(float);
384FN_FUNC_FN(ceil)
385
386extern float __attribute__((overloadable)) copysign(float, float);
387FN_FUNC_FN_FN(copysign)
388
389extern float __attribute__((overloadable)) cos(float);
390FN_FUNC_FN(cos)
391
392extern float __attribute__((overloadable)) cosh(float);
393FN_FUNC_FN(cosh)
394
395extern float __attribute__((overloadable)) cospi(float v) {
396 return cos(v * M_PI);
397}
398FN_FUNC_FN(cospi)
399
400extern float __attribute__((overloadable)) erfc(float);
401FN_FUNC_FN(erfc)
402
403extern float __attribute__((overloadable)) erf(float);
404FN_FUNC_FN(erf)
405
406extern float __attribute__((overloadable)) exp(float);
407FN_FUNC_FN(exp)
408
409extern float __attribute__((overloadable)) exp2(float);
410FN_FUNC_FN(exp2)
411
412extern float __attribute__((overloadable)) pow(float, float);
413
414extern float __attribute__((overloadable)) exp10(float v) {
415 return exp2(v * 3.321928095f);
416}
417FN_FUNC_FN(exp10)
418
419extern float __attribute__((overloadable)) expm1(float);
420FN_FUNC_FN(expm1)
421
422extern float __attribute__((overloadable)) fabs(float v) {
423 int i = *((int*)(void*)&v) & 0x7fffffff;
424 return *((float*)(void*)&i);
425}
426FN_FUNC_FN(fabs)
427
428extern float __attribute__((overloadable)) fdim(float, float);
429FN_FUNC_FN_FN(fdim)
430
431extern float __attribute__((overloadable)) floor(float);
432FN_FUNC_FN(floor)
433
434extern float __attribute__((overloadable)) fma(float, float, float);
435FN_FUNC_FN_FN_FN(fma)
436
437extern float __attribute__((overloadable)) fmin(float, float);
438
439extern float __attribute__((overloadable)) fmod(float, float);
440FN_FUNC_FN_FN(fmod)
441
442extern float __attribute__((overloadable)) fract(float v, float *iptr) {
443 int i = (int)floor(v);
444 if (iptr) {
445 iptr[0] = i;
446 }
447 return fmin(v - i, 0x1.fffffep-1f);
448}
449FN_FUNC_FN_PFN(fract)
450
451extern float __attribute__((overloadable)) frexp(float, int *);
452FN_FUNC_FN_PIN(frexp)
453
454extern float __attribute__((overloadable)) hypot(float, float);
455FN_FUNC_FN_FN(hypot)
456
457extern int __attribute__((overloadable)) ilogb(float);
458IN_FUNC_FN(ilogb)
459
460extern float __attribute__((overloadable)) ldexp(float, int);
461FN_FUNC_FN_IN(ldexp)
462FN_FUNC_FN_I(ldexp)
463
464extern float __attribute__((overloadable)) lgamma(float);
465FN_FUNC_FN(lgamma)
466extern float __attribute__((overloadable)) lgamma(float, int*);
467FN_FUNC_FN_PIN(lgamma)
468
469extern float __attribute__((overloadable)) log(float);
470FN_FUNC_FN(log)
471
472extern float __attribute__((overloadable)) log10(float);
473FN_FUNC_FN(log10)
474
475
476extern float __attribute__((overloadable)) log2(float v) {
477 return log10(v) * 3.321928095f;
478}
479FN_FUNC_FN(log2)
480
481extern float __attribute__((overloadable)) log1p(float);
482FN_FUNC_FN(log1p)
483
484extern float __attribute__((overloadable)) logb(float);
485FN_FUNC_FN(logb)
486
487extern float __attribute__((overloadable)) mad(float a, float b, float c) {
488 return a * b + c;
489}
490extern float2 __attribute__((overloadable)) mad(float2 a, float2 b, float2 c) {
491 return a * b + c;
492}
493extern float3 __attribute__((overloadable)) mad(float3 a, float3 b, float3 c) {
494 return a * b + c;
495}
496extern float4 __attribute__((overloadable)) mad(float4 a, float4 b, float4 c) {
497 return a * b + c;
498}
499
500extern float __attribute__((overloadable)) modf(float, float *);
501FN_FUNC_FN_PFN(modf);
502
503extern float __attribute__((overloadable)) nan(uint v) {
504 float f[1];
505 uint32_t *ip = (uint32_t *)f;
506 *ip = v | 0x7fc00000;
507 return f[0];
508}
509
510extern float __attribute__((overloadable)) nextafter(float, float);
511FN_FUNC_FN_FN(nextafter)
512
513FN_FUNC_FN_FN(pow)
514
515extern float __attribute__((overloadable)) pown(float v, int p) {
Jean-Luc Brouillet0b0bcff2014-02-25 19:36:01 -0800[diff] [blame^]516 /* The mantissa of a float has fewer bits than an int (24 effective vs. 31).
517 * For very large ints, we'll lose whether the exponent is even or odd, making
518 * the selection of a correct sign incorrect. We correct this.
519 */
520 float sign = (v < 0.0f && (p & 0x1)) ? -1.0 : 1.0;
521 float f = pow(v, (float)p);
522 return copysign(f, sign);
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]523}
Jean-Luc Brouillet0b0bcff2014-02-25 19:36:01 -0800[diff] [blame^]524FN_FUNC_FN_IN(pown)
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]525
526extern float __attribute__((overloadable)) powr(float v, float p) {
527 return pow(v, p);
528}
529extern float2 __attribute__((overloadable)) powr(float2 v, float2 p) {
530 return pow(v, p);
531}
532extern float3 __attribute__((overloadable)) powr(float3 v, float3 p) {
533 return pow(v, p);
534}
535extern float4 __attribute__((overloadable)) powr(float4 v, float4 p) {
536 return pow(v, p);
537}
538
539extern float __attribute__((overloadable)) remainder(float, float);
540FN_FUNC_FN_FN(remainder)
541
542extern float __attribute__((overloadable)) remquo(float, float, int *);
543FN_FUNC_FN_FN_PIN(remquo)
544
545extern float __attribute__((overloadable)) rint(float);
546FN_FUNC_FN(rint)
547
548extern float __attribute__((overloadable)) rootn(float v, int r) {
549 if (r == 0) {
550 return nan(0);
551 }
552
553 if (iszero(v)) {
554 if (r < 0) {
555 if (r & 1) {
556 return copysign(posinf(), v);
557 } else {
558 return posinf();
559 }
560 } else {
561 if (r & 1) {
562 return copysign(0.f, v);
563 } else {
564 return 0.f;
565 }
566 }
567 }
568
569 if (!isinf(v) && !isnan(v) && (v < 0.f)) {
570 if (r & 1) {
571 return (-1.f * pow(-1.f * v, 1.f / r));
572 } else {
573 return nan(0);
574 }
575 }
576
577 return pow(v, 1.f / r);
578}
579FN_FUNC_FN_IN(rootn);
580
581extern float __attribute__((overloadable)) round(float);
582FN_FUNC_FN(round)
583
584
585extern float __attribute__((overloadable)) sqrt(float);
586extern float __attribute__((overloadable)) rsqrt(float v) {
587 return 1.f / sqrt(v);
588}
Stephen Hines146e1382013-08-20 01:17:01 -0700[diff] [blame]589
Stephen Hines4da42502013-10-03 14:57:51 -0700[diff] [blame]590#if !defined(__i386__)
Stephen Hines146e1382013-08-20 01:17:01 -0700[diff] [blame]591FN_FUNC_FN(sqrt)
Stephen Hines4da42502013-10-03 14:57:51 -0700[diff] [blame]592#endif // !defined(__i386__)
Stephen Hines146e1382013-08-20 01:17:01 -0700[diff] [blame]593
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]594FN_FUNC_FN(rsqrt)
595
596extern float __attribute__((overloadable)) sin(float);
597FN_FUNC_FN(sin)
598
599extern float __attribute__((overloadable)) sincos(float v, float *cosptr) {
600 *cosptr = cos(v);
601 return sin(v);
602}
603extern float2 __attribute__((overloadable)) sincos(float2 v, float2 *cosptr) {
604 *cosptr = cos(v);
605 return sin(v);
606}
607extern float3 __attribute__((overloadable)) sincos(float3 v, float3 *cosptr) {
608 *cosptr = cos(v);
609 return sin(v);
610}
611extern float4 __attribute__((overloadable)) sincos(float4 v, float4 *cosptr) {
612 *cosptr = cos(v);
613 return sin(v);
614}
615
616extern float __attribute__((overloadable)) sinh(float);
617FN_FUNC_FN(sinh)
618
619extern float __attribute__((overloadable)) sinpi(float v) {
620 return sin(v * M_PI);
621}
622FN_FUNC_FN(sinpi)
623
624extern float __attribute__((overloadable)) tan(float);
625FN_FUNC_FN(tan)
626
627extern float __attribute__((overloadable)) tanh(float);
628FN_FUNC_FN(tanh)
629
630extern float __attribute__((overloadable)) tanpi(float v) {
631 return tan(v * M_PI);
632}
633FN_FUNC_FN(tanpi)
634
635
636extern float __attribute__((overloadable)) tgamma(float);
637FN_FUNC_FN(tgamma)
638
639extern float __attribute__((overloadable)) trunc(float);
640FN_FUNC_FN(trunc)
641
642// Int ops (partial), 6.11.3
643
644#define XN_FUNC_YN(typeout, fnc, typein) \
645extern typeout __attribute__((overloadable)) fnc(typein); \
646extern typeout##2 __attribute__((overloadable)) fnc(typein##2 v) { \
647 typeout##2 r; \
648 r.x = fnc(v.x); \
649 r.y = fnc(v.y); \
650 return r; \
651} \
652extern typeout##3 __attribute__((overloadable)) fnc(typein##3 v) { \
653 typeout##3 r; \
654 r.x = fnc(v.x); \
655 r.y = fnc(v.y); \
656 r.z = fnc(v.z); \
657 return r; \
658} \
659extern typeout##4 __attribute__((overloadable)) fnc(typein##4 v) { \
660 typeout##4 r; \
661 r.x = fnc(v.x); \
662 r.y = fnc(v.y); \
663 r.z = fnc(v.z); \
664 r.w = fnc(v.w); \
665 return r; \
666}
667
668
669#define UIN_FUNC_IN(fnc) \
670XN_FUNC_YN(uchar, fnc, char) \
671XN_FUNC_YN(ushort, fnc, short) \
672XN_FUNC_YN(uint, fnc, int)
673
674#define IN_FUNC_IN(fnc) \
675XN_FUNC_YN(uchar, fnc, uchar) \
676XN_FUNC_YN(char, fnc, char) \
677XN_FUNC_YN(ushort, fnc, ushort) \
678XN_FUNC_YN(short, fnc, short) \
679XN_FUNC_YN(uint, fnc, uint) \
680XN_FUNC_YN(int, fnc, int)
681
682
683#define XN_FUNC_XN_XN_BODY(type, fnc, body) \
684extern type __attribute__((overloadable)) \
685 fnc(type v1, type v2) { \
686 return body; \
687} \
688extern type##2 __attribute__((overloadable)) \
689 fnc(type##2 v1, type##2 v2) { \
690 type##2 r; \
691 r.x = fnc(v1.x, v2.x); \
692 r.y = fnc(v1.y, v2.y); \
693 return r; \
694} \
695extern type##3 __attribute__((overloadable)) \
696 fnc(type##3 v1, type##3 v2) { \
697 type##3 r; \
698 r.x = fnc(v1.x, v2.x); \
699 r.y = fnc(v1.y, v2.y); \
700 r.z = fnc(v1.z, v2.z); \
701 return r; \
702} \
703extern type##4 __attribute__((overloadable)) \
704 fnc(type##4 v1, type##4 v2) { \
705 type##4 r; \
706 r.x = fnc(v1.x, v2.x); \
707 r.y = fnc(v1.y, v2.y); \
708 r.z = fnc(v1.z, v2.z); \
709 r.w = fnc(v1.w, v2.w); \
710 return r; \
711}
712
713#define IN_FUNC_IN_IN_BODY(fnc, body) \
714XN_FUNC_XN_XN_BODY(uchar, fnc, body) \
715XN_FUNC_XN_XN_BODY(char, fnc, body) \
716XN_FUNC_XN_XN_BODY(ushort, fnc, body) \
717XN_FUNC_XN_XN_BODY(short, fnc, body) \
718XN_FUNC_XN_XN_BODY(uint, fnc, body) \
719XN_FUNC_XN_XN_BODY(int, fnc, body) \
720XN_FUNC_XN_XN_BODY(float, fnc, body)
721
722
723/**
724 * abs
725 */
726extern uint32_t __attribute__((overloadable)) abs(int32_t v) {
727 if (v < 0)
728 return -v;
729 return v;
730}
731extern uint16_t __attribute__((overloadable)) abs(int16_t v) {
732 if (v < 0)
733 return -v;
734 return v;
735}
736extern uint8_t __attribute__((overloadable)) abs(int8_t v) {
737 if (v < 0)
738 return -v;
739 return v;
740}
741
742/**
743 * clz
Stephen Hinesc117d8d2014-02-06 17:17:04 -0800[diff] [blame]744 * __builtin_clz only accepts a 32-bit unsigned int, so every input will be
745 * expanded to 32 bits. For our smaller data types, we need to subtract off
746 * these unused top bits (that will be always be composed of zeros).
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]747 */
748extern uint32_t __attribute__((overloadable)) clz(uint32_t v) {
749 return __builtin_clz(v);
750}
751extern uint16_t __attribute__((overloadable)) clz(uint16_t v) {
Stephen Hinesc117d8d2014-02-06 17:17:04 -0800[diff] [blame]752 return __builtin_clz(v) - 16;
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]753}
754extern uint8_t __attribute__((overloadable)) clz(uint8_t v) {
Stephen Hinesc117d8d2014-02-06 17:17:04 -0800[diff] [blame]755 return __builtin_clz(v) - 24;
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]756}
757extern int32_t __attribute__((overloadable)) clz(int32_t v) {
Stephen Hinesc117d8d2014-02-06 17:17:04 -0800[diff] [blame]758 return __builtin_clz(v);
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]759}
760extern int16_t __attribute__((overloadable)) clz(int16_t v) {
Stephen Hinesc117d8d2014-02-06 17:17:04 -0800[diff] [blame]761 return __builtin_clz(((uint32_t)v) & 0x0000ffff) - 16;
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]762}
763extern int8_t __attribute__((overloadable)) clz(int8_t v) {
Stephen Hinesc117d8d2014-02-06 17:17:04 -0800[diff] [blame]764 return __builtin_clz(((uint32_t)v) & 0x000000ff) - 24;
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]765}
766
767
768UIN_FUNC_IN(abs)
769IN_FUNC_IN(clz)
770
771
772// 6.11.4
773
774
775extern float __attribute__((overloadable)) degrees(float radians) {
776 return radians * (180.f / M_PI);
777}
778extern float2 __attribute__((overloadable)) degrees(float2 radians) {
779 return radians * (180.f / M_PI);
780}
781extern float3 __attribute__((overloadable)) degrees(float3 radians) {
782 return radians * (180.f / M_PI);
783}
784extern float4 __attribute__((overloadable)) degrees(float4 radians) {
785 return radians * (180.f / M_PI);
786}
787
788extern float __attribute__((overloadable)) mix(float start, float stop, float amount) {
789 return start + (stop - start) * amount;
790}
791extern float2 __attribute__((overloadable)) mix(float2 start, float2 stop, float2 amount) {
792 return start + (stop - start) * amount;
793}
794extern float3 __attribute__((overloadable)) mix(float3 start, float3 stop, float3 amount) {
795 return start + (stop - start) * amount;
796}
797extern float4 __attribute__((overloadable)) mix(float4 start, float4 stop, float4 amount) {
798 return start + (stop - start) * amount;
799}
800extern float2 __attribute__((overloadable)) mix(float2 start, float2 stop, float amount) {
801 return start + (stop - start) * amount;
802}
803extern float3 __attribute__((overloadable)) mix(float3 start, float3 stop, float amount) {
804 return start + (stop - start) * amount;
805}
806extern float4 __attribute__((overloadable)) mix(float4 start, float4 stop, float amount) {
807 return start + (stop - start) * amount;
808}
809
810extern float __attribute__((overloadable)) radians(float degrees) {
811 return degrees * (M_PI / 180.f);
812}
813extern float2 __attribute__((overloadable)) radians(float2 degrees) {
814 return degrees * (M_PI / 180.f);
815}
816extern float3 __attribute__((overloadable)) radians(float3 degrees) {
817 return degrees * (M_PI / 180.f);
818}
819extern float4 __attribute__((overloadable)) radians(float4 degrees) {
820 return degrees * (M_PI / 180.f);
821}
822
823extern float __attribute__((overloadable)) step(float edge, float v) {
824 return (v < edge) ? 0.f : 1.f;
825}
826extern float2 __attribute__((overloadable)) step(float2 edge, float2 v) {
827 float2 r;
828 r.x = (v.x < edge.x) ? 0.f : 1.f;
829 r.y = (v.y < edge.y) ? 0.f : 1.f;
830 return r;
831}
832extern float3 __attribute__((overloadable)) step(float3 edge, float3 v) {
833 float3 r;
834 r.x = (v.x < edge.x) ? 0.f : 1.f;
835 r.y = (v.y < edge.y) ? 0.f : 1.f;
836 r.z = (v.z < edge.z) ? 0.f : 1.f;
837 return r;
838}
839extern float4 __attribute__((overloadable)) step(float4 edge, float4 v) {
840 float4 r;
841 r.x = (v.x < edge.x) ? 0.f : 1.f;
842 r.y = (v.y < edge.y) ? 0.f : 1.f;
843 r.z = (v.z < edge.z) ? 0.f : 1.f;
844 r.w = (v.w < edge.w) ? 0.f : 1.f;
845 return r;
846}
847extern float2 __attribute__((overloadable)) step(float2 edge, float v) {
848 float2 r;
849 r.x = (v < edge.x) ? 0.f : 1.f;
850 r.y = (v < edge.y) ? 0.f : 1.f;
851 return r;
852}
853extern float3 __attribute__((overloadable)) step(float3 edge, float v) {
854 float3 r;
855 r.x = (v < edge.x) ? 0.f : 1.f;
856 r.y = (v < edge.y) ? 0.f : 1.f;
857 r.z = (v < edge.z) ? 0.f : 1.f;
858 return r;
859}
860extern float4 __attribute__((overloadable)) step(float4 edge, float v) {
861 float4 r;
862 r.x = (v < edge.x) ? 0.f : 1.f;
863 r.y = (v < edge.y) ? 0.f : 1.f;
864 r.z = (v < edge.z) ? 0.f : 1.f;
865 r.w = (v < edge.w) ? 0.f : 1.f;
866 return r;
867}
Jean-Luc Brouillet0ec16352014-01-22 15:23:30 -0800[diff] [blame]868extern float2 __attribute__((overloadable)) step(float edge, float2 v) {
869 float2 r;
870 r.x = (v.x < edge) ? 0.f : 1.f;
871 r.y = (v.y < edge) ? 0.f : 1.f;
872 return r;
873}
874extern float3 __attribute__((overloadable)) step(float edge, float3 v) {
875 float3 r;
876 r.x = (v.x < edge) ? 0.f : 1.f;
877 r.y = (v.y < edge) ? 0.f : 1.f;
878 r.z = (v.z < edge) ? 0.f : 1.f;
879 return r;
880}
881extern float4 __attribute__((overloadable)) step(float edge, float4 v) {
882 float4 r;
883 r.x = (v.x < edge) ? 0.f : 1.f;
884 r.y = (v.y < edge) ? 0.f : 1.f;
885 r.z = (v.z < edge) ? 0.f : 1.f;
886 r.w = (v.w < edge) ? 0.f : 1.f;
887 return r;
888}
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]889
890extern float __attribute__((overloadable)) smoothstep(float, float, float);
891extern float2 __attribute__((overloadable)) smoothstep(float2, float2, float2);
892extern float3 __attribute__((overloadable)) smoothstep(float3, float3, float3);
893extern float4 __attribute__((overloadable)) smoothstep(float4, float4, float4);
894extern float2 __attribute__((overloadable)) smoothstep(float, float, float2);
895extern float3 __attribute__((overloadable)) smoothstep(float, float, float3);
896extern float4 __attribute__((overloadable)) smoothstep(float, float, float4);
897
898extern float __attribute__((overloadable)) sign(float v) {
899 if (v > 0) return 1.f;
900 if (v < 0) return -1.f;
901 return v;
902}
903FN_FUNC_FN(sign)
904
905
906// 6.11.5
907extern float3 __attribute__((overloadable)) cross(float3 lhs, float3 rhs) {
908 float3 r;
909 r.x = lhs.y * rhs.z - lhs.z * rhs.y;
910 r.y = lhs.z * rhs.x - lhs.x * rhs.z;
911 r.z = lhs.x * rhs.y - lhs.y * rhs.x;
912 return r;
913}
914
915extern float4 __attribute__((overloadable)) cross(float4 lhs, float4 rhs) {
916 float4 r;
917 r.x = lhs.y * rhs.z - lhs.z * rhs.y;
918 r.y = lhs.z * rhs.x - lhs.x * rhs.z;
919 r.z = lhs.x * rhs.y - lhs.y * rhs.x;
920 r.w = 0.f;
921 return r;
922}
923
Stephen Hines4da42502013-10-03 14:57:51 -0700[diff] [blame]924#if !defined(__i386__)
Stephen Hines146e1382013-08-20 01:17:01 -0700[diff] [blame]925
926extern float __attribute__((overloadable)) dot(float lhs, float rhs) {
927 return lhs * rhs;
928}
929extern float __attribute__((overloadable)) dot(float2 lhs, float2 rhs) {
930 return lhs.x*rhs.x + lhs.y*rhs.y;
931}
932extern float __attribute__((overloadable)) dot(float3 lhs, float3 rhs) {
933 return lhs.x*rhs.x + lhs.y*rhs.y + lhs.z*rhs.z;
934}
935extern float __attribute__((overloadable)) dot(float4 lhs, float4 rhs) {
936 return lhs.x*rhs.x + lhs.y*rhs.y + lhs.z*rhs.z + lhs.w*rhs.w;
937}
938
939extern float __attribute__((overloadable)) length(float v) {
940 return fabs(v);
941}
942extern float __attribute__((overloadable)) length(float2 v) {
943 return sqrt(v.x*v.x + v.y*v.y);
944}
945extern float __attribute__((overloadable)) length(float3 v) {
946 return sqrt(v.x*v.x + v.y*v.y + v.z*v.z);
947}
948extern float __attribute__((overloadable)) length(float4 v) {
949 return sqrt(v.x*v.x + v.y*v.y + v.z*v.z + v.w*v.w);
950}
951
952#else
953
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]954extern float __attribute__((overloadable)) length(float v);
955extern float __attribute__((overloadable)) length(float2 v);
956extern float __attribute__((overloadable)) length(float3 v);
957extern float __attribute__((overloadable)) length(float4 v);
958
Stephen Hines146e1382013-08-20 01:17:01 -0700[diff] [blame]959#endif
960
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]961extern float __attribute__((overloadable)) distance(float lhs, float rhs) {
962 return length(lhs - rhs);
963}
964extern float __attribute__((overloadable)) distance(float2 lhs, float2 rhs) {
965 return length(lhs - rhs);
966}
967extern float __attribute__((overloadable)) distance(float3 lhs, float3 rhs) {
968 return length(lhs - rhs);
969}
970extern float __attribute__((overloadable)) distance(float4 lhs, float4 rhs) {
971 return length(lhs - rhs);
972}
973
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]974/* For the normalization functions, vectors of length 0 should simply be
975 * returned (i.e. all the components of that vector are 0).
976 */
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]977extern float __attribute__((overloadable)) normalize(float v) {
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]978 if (v == 0.0f) {
979 return 0.0f;
980 } else if (v < 0.0f) {
981 return -1.0f;
982 } else {
983 return 1.0f;
984 }
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]985}
986extern float2 __attribute__((overloadable)) normalize(float2 v) {
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]987 float l = length(v);
988 return l == 0.0f ? v : v / l;
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]989}
990extern float3 __attribute__((overloadable)) normalize(float3 v) {
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]991 float l = length(v);
992 return l == 0.0f ? v : v / l;
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]993}
994extern float4 __attribute__((overloadable)) normalize(float4 v) {
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]995 float l = length(v);
996 return l == 0.0f ? v : v / l;
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]997}
998
999extern float __attribute__((overloadable)) half_sqrt(float);
1000
1001extern float __attribute__((overloadable)) fast_length(float v) {
Stephen Hines582b3642013-06-01 09:58:24 -0700[diff] [blame]1002 return fabs(v);
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]1003}
1004extern float __attribute__((overloadable)) fast_length(float2 v) {
1005 return half_sqrt(v.x*v.x + v.y*v.y);
1006}
1007extern float __attribute__((overloadable)) fast_length(float3 v) {
1008 return half_sqrt(v.x*v.x + v.y*v.y + v.z*v.z);
1009}
1010extern float __attribute__((overloadable)) fast_length(float4 v) {
1011 return half_sqrt(v.x*v.x + v.y*v.y + v.z*v.z + v.w*v.w);
1012}
1013
1014extern float __attribute__((overloadable)) fast_distance(float lhs, float rhs) {
1015 return fast_length(lhs - rhs);
1016}
1017extern float __attribute__((overloadable)) fast_distance(float2 lhs, float2 rhs) {
1018 return fast_length(lhs - rhs);
1019}
1020extern float __attribute__((overloadable)) fast_distance(float3 lhs, float3 rhs) {
1021 return fast_length(lhs - rhs);
1022}
1023extern float __attribute__((overloadable)) fast_distance(float4 lhs, float4 rhs) {
1024 return fast_length(lhs - rhs);
1025}
1026
1027extern float __attribute__((overloadable)) half_rsqrt(float);
1028
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]1029/* For the normalization functions, vectors of length 0 should simply be
1030 * returned (i.e. all the components of that vector are 0).
1031 */
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]1032extern float __attribute__((overloadable)) fast_normalize(float v) {
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]1033 if (v == 0.0f) {
1034 return 0.0f;
1035 } else if (v < 0.0f) {
1036 return -1.0f;
1037 } else {
1038 return 1.0f;
1039 }
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]1040}
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]1041// If the length is 0, then rlength should be NaN.
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]1042extern float2 __attribute__((overloadable)) fast_normalize(float2 v) {
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]1043 float rlength = half_rsqrt(v.x*v.x + v.y*v.y);
1044 return (rlength == rlength) ? v * rlength : v;
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]1045}
1046extern float3 __attribute__((overloadable)) fast_normalize(float3 v) {
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]1047 float rlength = half_rsqrt(v.x*v.x + v.y*v.y + v.z*v.z);
1048 return (rlength == rlength) ? v * rlength : v;
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]1049}
1050extern float4 __attribute__((overloadable)) fast_normalize(float4 v) {
Jean-Luc Brouillet3e0d1e72014-02-24 16:25:42 -0800[diff] [blame]1051 float rlength = half_rsqrt(v.x*v.x + v.y*v.y + v.z*v.z + v.w*v.w);
1052 return (rlength == rlength) ? v * rlength : v;
Stephen Hines5a470202013-05-29 15:36:18 -0700[diff] [blame]1053}
1054
1055extern float __attribute__((overloadable)) half_recip(float);
1056
1057/*
1058extern float __attribute__((overloadable)) approx_atan(float x) {
1059 if (x == 0.f)
1060 return 0.f;
1061 if (x < 0.f)
1062 return -1.f * approx_atan(-1.f * x);
1063 if (x > 1.f)
1064 return M_PI_2 - approx_atan(approx_recip(x));
1065 return x * approx_recip(1.f + 0.28f * x*x);
1066}
1067FN_FUNC_FN(approx_atan)
1068*/
1069
1070typedef union
1071{
1072 float fv;
1073 int32_t iv;
1074} ieee_float_shape_type;
1075
1076/* Get a 32 bit int from a float. */
1077
1078#define GET_FLOAT_WORD(i,d) \
1079do { \
1080 ieee_float_shape_type gf_u; \
1081 gf_u.fv = (d); \
1082 (i) = gf_u.iv; \
1083} while (0)
1084
1085/* Set a float from a 32 bit int. */
1086
1087#define SET_FLOAT_WORD(d,i) \
1088do { \
1089 ieee_float_shape_type sf_u; \
1090 sf_u.iv = (i); \
1091 (d) = sf_u.fv; \
1092} while (0)
1093
1094
1095
1096// Valid -125 to 125
1097extern float __attribute__((overloadable)) native_exp2(float v) {
1098 int32_t iv = (int)v;
1099 int32_t x = iv + (iv >> 31); // ~floor(v)
1100 float r = (v - x);
1101
1102 float fo;
1103 SET_FLOAT_WORD(fo, (x + 127) << 23);
1104
1105 r *= 0.694f; // ~ log(e) / log(2)
1106 float r2 = r*r;
1107 float adj = 1.f + r + (r2 * 0.5f) + (r2*r * 0.166666f) + (r2*r2 * 0.0416666f);
1108 return fo * adj;
1109}
1110
1111extern float2 __attribute__((overloadable)) native_exp2(float2 v) {
1112 int2 iv = convert_int2(v);
1113 int2 x = iv + (iv >> (int2)31);//floor(v);
1114 float2 r = (v - convert_float2(x));
1115
1116 x += 127;
1117
1118 float2 fo = (float2)(x << (int2)23);
1119
1120 r *= 0.694f; // ~ log(e) / log(2)
1121 float2 r2 = r*r;
1122 float2 adj = 1.f + r + (r2 * 0.5f) + (r2*r * 0.166666f) + (r2*r2 * 0.0416666f);
1123 return fo * adj;
1124}
1125
1126extern float4 __attribute__((overloadable)) native_exp2(float4 v) {
1127 int4 iv = convert_int4(v);
1128 int4 x = iv + (iv >> (int4)31);//floor(v);
1129 float4 r = (v - convert_float4(x));
1130
1131 x += 127;
1132
1133 float4 fo = (float4)(x << (int4)23);
1134
1135 r *= 0.694f; // ~ log(e) / log(2)
1136 float4 r2 = r*r;
1137 float4 adj = 1.f + r + (r2 * 0.5f) + (r2*r * 0.166666f) + (r2*r2 * 0.0416666f);
1138 return fo * adj;
1139}
1140
1141extern float3 __attribute__((overloadable)) native_exp2(float3 v) {
1142 float4 t = 1.f;
1143 t.xyz = v;
1144 return native_exp2(t).xyz;
1145}
1146
1147
1148extern float __attribute__((overloadable)) native_exp(float v) {
1149 return native_exp2(v * 1.442695041f);
1150}
1151extern float2 __attribute__((overloadable)) native_exp(float2 v) {
1152 return native_exp2(v * 1.442695041f);
1153}
1154extern float3 __attribute__((overloadable)) native_exp(float3 v) {
1155 return native_exp2(v * 1.442695041f);
1156}
1157extern float4 __attribute__((overloadable)) native_exp(float4 v) {
1158 return native_exp2(v * 1.442695041f);
1159}
1160
1161extern float __attribute__((overloadable)) native_exp10(float v) {
1162 return native_exp2(v * 3.321928095f);
1163}
1164extern float2 __attribute__((overloadable)) native_exp10(float2 v) {
1165 return native_exp2(v * 3.321928095f);
1166}
1167extern float3 __attribute__((overloadable)) native_exp10(float3 v) {
1168 return native_exp2(v * 3.321928095f);
1169}
1170extern float4 __attribute__((overloadable)) native_exp10(float4 v) {
1171 return native_exp2(v * 3.321928095f);
1172}
1173
1174extern float __attribute__((overloadable)) native_log2(float v) {
1175 int32_t ibits;
1176 GET_FLOAT_WORD(ibits, v);
1177
1178 int32_t e = (ibits >> 23) & 0xff;
1179
1180 ibits &= 0x7fffff;
1181 ibits |= 127 << 23;
1182
1183 float ir;
1184 SET_FLOAT_WORD(ir, ibits);
1185
1186 ir -= 1.5f;
1187 float ir2 = ir*ir;
1188 float adj2 = 0.405465108f + // -0.00009f +
1189 (0.666666667f * ir) -
1190 (0.222222222f * ir2) +
1191 (0.098765432f * ir*ir2) -
1192 (0.049382716f * ir2*ir2) +
1193 (0.026337449f * ir*ir2*ir2) -
1194 (0.014631916f * ir2*ir2*ir2);
1195 adj2 *= (1.f / 0.693147181f);
1196
1197 return (float)(e - 127) + adj2;
1198}
1199extern float2 __attribute__((overloadable)) native_log2(float2 v) {
1200 float2 v2 = {native_log2(v.x), native_log2(v.y)};
1201 return v2;
1202}
1203extern float3 __attribute__((overloadable)) native_log2(float3 v) {
1204 float3 v2 = {native_log2(v.x), native_log2(v.y), native_log2(v.z)};
1205 return v2;
1206}
1207extern float4 __attribute__((overloadable)) native_log2(float4 v) {
1208 float4 v2 = {native_log2(v.x), native_log2(v.y), native_log2(v.z), native_log2(v.w)};
1209 return v2;
1210}
1211
1212extern float __attribute__((overloadable)) native_log(float v) {
1213 return native_log2(v) * (1.f / 1.442695041f);
1214}
1215extern float2 __attribute__((overloadable)) native_log(float2 v) {
1216 return native_log2(v) * (1.f / 1.442695041f);
1217}
1218extern float3 __attribute__((overloadable)) native_log(float3 v) {
1219 return native_log2(v) * (1.f / 1.442695041f);
1220}
1221extern float4 __attribute__((overloadable)) native_log(float4 v) {
1222 return native_log2(v) * (1.f / 1.442695041f);
1223}
1224
1225extern float __attribute__((overloadable)) native_log10(float v) {
1226 return native_log2(v) * (1.f / 3.321928095f);
1227}
1228extern float2 __attribute__((overloadable)) native_log10(float2 v) {
1229 return native_log2(v) * (1.f / 3.321928095f);
1230}
1231extern float3 __attribute__((overloadable)) native_log10(float3 v) {
1232 return native_log2(v) * (1.f / 3.321928095f);
1233}
1234extern float4 __attribute__((overloadable)) native_log10(float4 v) {
1235 return native_log2(v) * (1.f / 3.321928095f);
1236}
1237
1238
1239extern float __attribute__((overloadable)) native_powr(float v, float y) {
1240 float v2 = native_log2(v);
1241 v2 = fmax(v2, -125.f);
1242 return native_exp2(v2 * y);
1243}
1244extern float2 __attribute__((overloadable)) native_powr(float2 v, float2 y) {
1245 float2 v2 = native_log2(v);
1246 v2 = fmax(v2, -125.f);
1247 return native_exp2(v2 * y);
1248}
1249extern float3 __attribute__((overloadable)) native_powr(float3 v, float3 y) {
1250 float3 v2 = native_log2(v);
1251 v2 = fmax(v2, -125.f);
1252 return native_exp2(v2 * y);
1253}
1254extern float4 __attribute__((overloadable)) native_powr(float4 v, float4 y) {
1255 float4 v2 = native_log2(v);
1256 v2 = fmax(v2, -125.f);
1257 return native_exp2(v2 * y);
1258}
1259
1260
1261#undef FN_FUNC_FN
1262#undef IN_FUNC_FN
1263#undef FN_FUNC_FN_FN
1264#undef FN_FUNC_FN_F
1265#undef FN_FUNC_FN_IN
1266#undef FN_FUNC_FN_I
1267#undef FN_FUNC_FN_PFN
1268#undef FN_FUNC_FN_PIN
1269#undef FN_FUNC_FN_FN_FN
1270#undef FN_FUNC_FN_FN_PIN
1271#undef XN_FUNC_YN
1272#undef UIN_FUNC_IN
1273#undef IN_FUNC_IN
1274#undef XN_FUNC_XN_XN_BODY
1275#undef IN_FUNC_IN_IN_BODY