/* * Written by Ulrich Drepper <drepper@gmail.com> *//* * __isinf_nsl(x) returns != 0 if x is ±inf, else 0; * no branching! */#include"math.h"#include"math_private.h"int__isinf_nsl(long double x){int64_t hx,lx;GET_LDOUBLE_WORDS64(hx,lx,x);return!(lx | ((hx &0x7fffffffffffffffLL) ^0x7fff000000000000LL));}