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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.24.0/tests/uniform-float16-rcp.ispc
2025-05-18 13:04:45 +08:00

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#include "../test_static.isph"
// rule: skip on arch=x86
// rule: skip on arch=x86-64
task void f_f(uniform float RET[], uniform float aFOO[]) {
#pragma ignore warning(perf)
uniform float16 x = aFOO[programCount / 2];
float16 d, ix;
ix = rcp(x);
d = (ix - 1. / x);
d = (d < 0) ? -d : d;
RET[programIndex] = (d < 1e-4) ? 1. : 0.;
}
task void result(uniform float RET[]) { RET[programIndex] = 1.; }