#include #include #include #include "util/u_math.h" #include "util/u_half.h" int main(int argc, char **argv) { unsigned i; unsigned roundtrip_fails = 0; for(i = 0; i < 1 << 16; ++i) { half h = (half) i; union fi f; half rh; f.ui = util_half_to_floatui(h); rh = util_floatui_to_half(f.ui); if(h != rh) { printf("Roundtrip failed: %x -> %x = %f -> %x\n", h, f.ui, f.f, rh); ++roundtrip_fails; } } if(roundtrip_fails) printf("Failure! %u/65536 half floats failed a conversion to float and back.\n", roundtrip_fails); else printf("Success!\n"); return 0; }