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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.24.0/tests/exclusive-scan-add-11.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[]) {
RET[programIndex] = -1;
float16 a = aFOO[programIndex];
if (programIndex & 1) {
RET[programIndex] = exclusive_scan_add(a);
}
}
int es(int v) {
uniform int vv[programCount];
vv[programIndex] = v;
uniform int r[programCount];
r[0] = 0;
for (uniform int i = 1; i < programCount; ++i)
r[i] = r[i-1] + vv[i-1];
return r[programIndex];
}
task void result(uniform float RET[]) {
RET[programIndex] = es((programIndex & 1) ? (programIndex+1) : 0);
if ((programIndex & 1) == 0)
RET[programIndex] = -1;
}