blob: 09dcc945325506cc25ed781710630d8790fb9b9b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
/*
* 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)
{
int64_t ix;
EXTRACT_WORDS64(ix,x);
return (ix & UINT64_C(0x7fffffffffffffff)) == UINT64_C(0x7ff0000000000000);
}
|