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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.16.1/tests/idiv-int32.ispc
2025-05-18 13:04:45 +08:00

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export void f_f(uniform float RET[], uniform float aFOO[]) {
uniform int errorCount = 0;
uniform RNGState state;
seed_rng(&state, 1234);
for (uniform int64 i = 0; i < 64k; ++i) {
int32 num = random(&state);
if (num < 0)
continue;
for (uniform int32 div = 2; div < 256; ++div) {
#pragma ignore warning(perf)
if (__fast_idiv(num, div) != num/div) {
++errorCount;
#pragma ignore warning(perf)
#ifndef ISPC_TARGET_GENX
print("si32 error %/% = %, got %\n", num, div, num/div, __fast_idiv(num,div));
#endif
if (errorCount > 32) break;
}
}
}
RET[programIndex] = errorCount;
}
export void result(uniform float RET[]) {
RET[programIndex] = 0;
}