[BACK]Return to s_finitef.c CVS log [TXT][DIR] Up to [cvs.NetBSD.org] / src / lib / libm / src

File: [cvs.NetBSD.org] / src / lib / libm / src / s_finitef.c (download)

Revision 1.8, Tue Nov 12 17:37:43 2013 UTC (10 months, 1 week ago) by joerg
Branch: MAIN
CVS Tags: yamt-pagecache-base9, tls-maxphys-base, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, netbsd-7-base, netbsd-7, HEAD
Changes since 1.7: +2 -2 lines

Typo.

/* 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);
}