Files
ispc/tests/psubs_i32.ispc
2014-02-20 22:57:24 +04:00

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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform int32 a_max = 0x7FFFFFFF, a_min = -0x80000000; // max and min int32
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_sub(a_min, b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_sub(a_max, -b);
}
else {
RET[programIndex] = saturating_sub(a_max, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int32) -0x80000000; // min signed int32
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int32) 0x7FFFFFFF; // max signed int32
}
else {
RET[programIndex] = (uniform int32) 0x7FFFFFFA;
}
}