/* s_finitef.c -- float version of s_finite.c. * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. */ /* * ==================================================== * 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. * ==================================================== */ #include <sys/cdefs.h> #if defined(LIBM_SCCS) && !defined(lint) __RCSID("$NetBSD: s_finitef.c,v 1.8 2013/11/12 17:37:43 joerg Exp $"); #endif /* * finitef(x) returns 1 if x is finite, else 0; * no branching! */ #include "math.h" #include "math_private.h" int finitef(float x) { int32_t ix; GET_FLOAT_WORD(ix,x); return (int)((u_int32_t)((ix&0x7fffffff)-0x7f800000)>>31); } |