Retro68/gcc/libquadmath/math/isinf_nsq.c
2014-09-21 19:33:12 +02:00

20 lines
355 B
C

/*
* Written by Ulrich Drepper <drepper@gmail.com>
*/
/*
* __quadmath_isinf_nsq (x) returns != 0 if x is ±inf, else 0;
* no branching!
*/
#include "quadmath-imp.h"
int
__quadmath_isinf_nsq (__float128 x)
{
int64_t hx,lx;
GET_FLT128_WORDS64(hx,lx,x);
return !(lx | ((hx & 0x7fffffffffffffffLL) ^ 0x7fff000000000000LL));
}