mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
21 lines
308 B
C
21 lines
308 B
C
/*
|
|
* Written by Ulrich Drepper <drepper@gmail.com>.
|
|
*/
|
|
|
|
/*
|
|
* __isinf_nsf(x) returns != 0 if x is ±inf, else 0;
|
|
* no branching!
|
|
*/
|
|
|
|
#include <math.h>
|
|
#include <math_private.h>
|
|
|
|
#undef __isinf_nsf
|
|
int
|
|
__isinf_nsf (float x)
|
|
{
|
|
int32_t ix;
|
|
GET_FLOAT_WORD(ix,x);
|
|
return (ix & 0x7fffffff) == 0x7f800000;
|
|
}
|