redgpu/ispc: Intel® Implicit SPMD Program Compiler

tests/frexp-float16.ispc

16 строк453 B

Arina Neshlyaeva

FP16: ldexp/frexp

03 май 2022, 00:11

03 май 2022, 00:11e2dda58

#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[]) {
    float16 a = (1ul << ((programIndex/4)%28)) * 1.5;
    if (programIndex & 1)
        a = -a;
    int exponent;
    RET[programIndex] = frexp(a, &exponent);
}

task void result(uniform float RET[]) {
    RET[programIndex] = 0.75;
    if (programIndex & 1)
        RET[programIndex] = -RET[programIndex];
}