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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.16.1/tests/psubus-i64.ispc
2025-05-18 13:04:45 +08:00

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export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform unsigned int64 a_max = 0xFFFFFFFFFFFFFFFF, a_min = 0; // max and min unsigned int64
if (programIndex % 2 == 0) {
RET[programIndex] = saturating_sub(a_min, b);
}
else {
RET[programIndex] = saturating_sub(a_max, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (uniform unsigned int64) 0; // min unsigned int64
}
else {
RET[programIndex] = (uniform unsigned int64) 0xFFFFFFFFFFFFFFFB; // max unsigned int64 - 5
}
}