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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.24.0/tests/psubs-i8.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) {
uniform int8 a_max = 127, a_min = -128; // max and min signed int8
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);
}
}
task void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int8) -128;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int8) 127;
}
else {
RET[programIndex] = (uniform int8) 122;
}
}