diff options
Diffstat (limited to 'lib/libc/arch/alpha/gen/isinf.c')
| -rw-r--r-- | lib/libc/arch/alpha/gen/isinf.c | 72 |
1 files changed, 35 insertions, 37 deletions
diff --git a/lib/libc/arch/alpha/gen/isinf.c b/lib/libc/arch/alpha/gen/isinf.c index 23e45a0580e..35898dc011f 100644 --- a/lib/libc/arch/alpha/gen/isinf.c +++ b/lib/libc/arch/alpha/gen/isinf.c @@ -1,57 +1,55 @@ -/* $OpenBSD: isinf.c,v 1.3 1996/11/13 21:20:19 niklas Exp $ */ -/* $NetBSD: isinf.c,v 1.1 1995/02/10 17:50:23 cgd Exp $ */ +/* $OpenBSD: isinf.c,v 1.4 2001/09/10 22:38:11 millert Exp $ */ /* - * Copyright (c) 1994, 1995 Carnegie-Mellon University. - * All rights reserved. + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. * - * Author: Chris G. Demetriou - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. */ #if defined(LIBC_SCCS) && !defined(lint) -static char *rcsid = "$OpenBSD: isinf.c,v 1.3 1996/11/13 21:20:19 niklas Exp $"; +static char rcsid[] = "$OpenBSD: isinf.c,v 1.4 2001/09/10 22:38:11 millert Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> #include <machine/ieee.h> -#include <math.h> - -int -isnan(d) - double d; -{ - register struct ieee_double *p = (struct ieee_double *)&d; - - return (p->dbl_exp == DBL_EXP_INFNAN && - (p->dbl_frach || p->dbl_fracl)); -} int isinf(d) double d; { - register struct ieee_double *p = (struct ieee_double *)&d; + struct ieee_double *p = (struct ieee_double *)&d; return (p->dbl_exp == DBL_EXP_INFNAN && - !p->dbl_frach && !p->dbl_fracl); + p->dbl_frach == 0 && p->dbl_fracl == 0); } |