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/* * 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); } |