| /* | |
| * 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); | |
| } |