/* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ /* * finite(x) returns 1 is x is finite, else 0; * no branching! */ #include #include #undef __finite int __finite(double x) { int64_t lx; EXTRACT_WORDS64(lx,x); return (int)((uint64_t)((lx&INT64_C(0x7fffffffffffffff))-INT64_C(0x7ff0000000000000))>>63); } hidden_def (__finite) weak_alias (__finite, finite) #ifdef NO_LONG_DOUBLE strong_alias (__finite, __finitel) weak_alias (__finite, finitel) #endif