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

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export void f_f(uniform float RET[], uniform float aFOO[]) {
varying float x = aFOO[programIndex];
varying float d, invsqrt = rsqrt(x);
d = (x * (invsqrt * invsqrt)) - 1.;
if (d < 0.) d = -d;
if (d < 1e-5)
{
RET[programIndex] = 1;
}
else
{
RET[programIndex] = 0;
}
}
export void result(uniform float RET[]) {
RET[programIndex] = 1;
}