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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.21.0/tests/uniform-float16-rsqrt.ispc
Brandyn / Techy fcc1b09210 init
2026-04-04 15:40:51 -05:00

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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[]) {
uniform float16 x = aFOO[programCount/2];
uniform float16 d, invsqrt = rsqrt(x);
d = (x * (invsqrt * invsqrt)) - 1.0f16;
if (d < 0.0f16) d = -d;
RET[programIndex] = (d > 1e-2) ? 1 : 0;
}
task void result(uniform float RET[]) {
RET[programIndex] = 0;
}