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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.18.0/tests/varying-float-rsqrt.ispc
Brandyn / Techy fcc1b09210 init
2026-04-04 15:40:51 -05:00

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#include "../test_static.isph"
task 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;
}
}
task void result(uniform float RET[]) {
RET[programIndex] = 1;
}