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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.24.0/tests/varying-float16-rsqrt.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[]) {
varying float16 x = aFOO[programIndex/2];
varying float16 d, invsqrt = rsqrt(x);
d = (x * (invsqrt * invsqrt)) - 1.0f16;
// WA: print changes the behavior of the test
// print("WA: %\n", d);
if (d < 0.0f16) d = -d;
if (d < 1e-2) {
RET[programIndex] = 1;
}
else {
RET[programIndex] = 0;
}
}
task void result(uniform float RET[]) {
RET[programIndex] = 1;
}