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Saturation arithmetic mul and div for int8/int16/int32 and div for int64 was added

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Vsevolod Livinskij
2014-02-18 02:07:13 +04:00
parent f5508db24f
commit 735e6a8ab3
29 changed files with 931 additions and 0 deletions
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28
tests/pmulus_i32.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform unsigned int32 a_max = 4294967295, a_min = 0; // max and min unsigned int32
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (uniform unsigned int32) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (uniform unsigned int32) -b);
}
else {
RET[programIndex] = saturating_mul((uniform unsigned int32) b,
(uniform unsigned int32) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform unsigned int32) 4294967295;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform unsigned int32) 0;
}
else {
RET[programIndex] = (uniform unsigned int32) 25;
}
}