/* | |
* Written by Ulrich Drepper <drepper@gmail.com>. | |
*/ | |
/* | |
* __isinf_ns(x) returns != 0 if x is ±inf, else 0; | |
* no branching! | |
*/ | |
#include <math.h> | |
#include <math_private.h> | |
#undef __isinf_ns | |
int | |
__isinf_ns (double x) | |
{ | |
int32_t hx, lx; | |
EXTRACT_WORDS (hx, lx, x); | |
return !(lx | ((hx & 0x7fffffff) ^ 0x7ff00000)); | |
} |