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UnrealEngine/Engine/Source/ThirdParty/Intel/ISPC/ispc-1.19.0/tests/psubs-vi8.ispc
2025-05-18 13:04:45 +08:00

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#include "../test_static.isph"
task void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying int8 a_max = 0x7F, a_min = 0x80; // max and min signed int8
varying int8 c = programIndex;
if (programIndex % 4 == 0) {
RET[programIndex * 2] = saturating_sub(a_max, c);
RET[programIndex * 2 + 1] = saturating_sub(c, a_min);
}
else if (programIndex % 4 == 1) {
RET[programIndex * 2] = saturating_sub(c, (varying int8)(c+3));
RET[programIndex * 2 + 1] = saturating_sub(a_min, c);
}
else if (programIndex % 4 == 2) {
RET[programIndex * 2] = saturating_sub(a_min, (varying int8)(-1*c));
RET[programIndex * 2 + 1] = saturating_sub((varying int8)(-1*c), a_max);
}
else if (programIndex % 4 == 3) {
RET[programIndex * 2] = saturating_sub(a_max, (varying int8)(-1*c));
RET[programIndex * 2 + 1] = saturating_sub(a_max, (varying int8)(-1*c));
}
}
task void result(uniform float RET[]) {
varying int8 a_max = 0x7F, a_min = 0x80; // max and min signed int8
varying int8 c = programIndex;
if (programIndex % 4 == 0) {
RET[programIndex * 2] = (varying int8) a_max - c;
RET[programIndex * 2 + 1] = (varying int8) a_max;
}
else if (programIndex % 4 == 1) {
RET[programIndex * 2] = (varying int8) -3;
RET[programIndex * 2 + 1] = (varying int8) a_min;
}
else if (programIndex % 4 == 2) {
RET[programIndex * 2] = (varying int8) a_min + c;
RET[programIndex * 2 + 1] = (varying int8) a_min;
}
else if (programIndex % 4 == 3) {
RET[programIndex * 2] = (varying int8) a_max;
RET[programIndex * 2 + 1] = (varying int8) a_max;
}
}