/* 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. * ==================================================== * * $FreeBSD: head/lib/msun/src/s_finitef.c 176451 2008-02-22 02:30:36Z das $ */ /* * finitef(x) returns 1 is 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); }