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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.24.0/tests/psubus-vi32.ispc
2025-05-18 13:04:45 +08:00

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#include "../test_static.isph"
task void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying unsigned int32 a_max = 0xFFFFFFFF, a_min = 0; // max and min unsigned int32
if (programIndex % 2 == 0) {
#pragma ignore warning(perf)
RET[programIndex] = saturating_sub(a_min, b);
}
else {
#pragma ignore warning(perf)
RET[programIndex] = saturating_sub(a_max, b);
}
}
task void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (varying unsigned int32) 0; // min unsigned int32
}
else {
RET[programIndex] = (varying unsigned int32) 0xFFFFFFFB; // max unsigned int32 - 5
}
}