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

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#include "../test_static.isph"
task void f_f(uniform float RET[], uniform float aFOO[]) {
RNGState state;
seed_rng(&state, programIndex);
float sum = 0;
uniform int iters = 40000;
for (unsigned int i = 0; i < iters; ++i)
sum += frandom(&state);
float avg = sum / iters;
RET[programIndex] = (avg > 0.495 && avg < 0.505) ? 1 : 0;
}
task void result(uniform float RET[]) {
RET[programIndex] = 1;
}