Separate isnan() into a separate module, and make isinf()/isnan() use ieee.h.
This commit is contained in:
mycroft
parent
f91881f24a
commit
17030e8106
@ -1,6 +1,6 @@
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# $NetBSD: Makefile.inc,v 1.5 1999/01/15 13:31:15 bouyer Exp $
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# $NetBSD: Makefile.inc,v 1.6 1999/08/29 18:08:27 mycroft Exp $
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SRCS+= fabs.S frexp.c infinity.c isinf.c ldexp.c modf.c
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SRCS+= fabs.S frexp.c infinity.c isinf.c isnan.c ldexp.c modf.c
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SRCS+= flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \
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fpsetround.c fpsetsticky.c
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SRCS+= _setjmp.S
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@ -1,52 +1,62 @@
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/* $NetBSD: isinf.c,v 1.3 1998/11/14 19:31:01 christos Exp $ */
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/* $NetBSD: isinf.c,v 1.4 1999/08/29 18:08:28 mycroft Exp $ */
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/*
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* Copyright (c) 1994, 1995 Carnegie-Mellon University.
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* All rights reserved.
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: isinf.c,v 1.4 1999/08/29 18:08:28 mycroft Exp $");
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#endif
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include <sys/types.h>
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#include <machine/ieee.h>
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#include <math.h>
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#ifdef __weak_alias
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__weak_alias(isnan,_isnan);
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__weak_alias(isinf,_isinf);
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#endif
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int
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isnan(d)
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double d;
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{
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register struct ieee_double *p = (struct ieee_double *)(void *)&d;
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return (p->dbl_exp == DBL_EXP_INFNAN &&
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(p->dbl_frach || p->dbl_fracl));
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}
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int
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isinf(d)
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double d;
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@ -54,5 +64,5 @@ isinf(d)
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register struct ieee_double *p = (struct ieee_double *)(void *)&d;
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return (p->dbl_exp == DBL_EXP_INFNAN &&
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!p->dbl_frach && !p->dbl_fracl);
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(p->dbl_frach == 0 && p->dbl_fracl == 0));
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}
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68
lib/libc/arch/alpha/gen/isnan.c
Normal file
68
lib/libc/arch/alpha/gen/isnan.c
Normal file
@ -0,0 +1,68 @@
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/* $NetBSD: isnan.c,v 1.1 1999/08/29 18:08:28 mycroft Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: isnan.c,v 1.1 1999/08/29 18:08:28 mycroft Exp $");
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#endif
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include <sys/types.h>
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#include <machine/ieee.h>
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#include <math.h>
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#ifdef __weak_alias
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__weak_alias(isnan,_isnan);
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#endif
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int
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isnan(d)
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double d;
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{
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register struct ieee_double *p = (struct ieee_double *)(void *)&d;
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return (p->dbl_exp == DBL_EXP_INFNAN &&
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(p->dbl_frach != 0 || p->dbl_fracl != 0));
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}
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@ -1,9 +1,9 @@
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# $NetBSD: Makefile.inc,v 1.6 1999/01/15 13:31:16 bouyer Exp $
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# $NetBSD: Makefile.inc,v 1.7 1999/08/29 18:08:29 mycroft Exp $
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SRCS+= alloca.S byte_swap_2.S byte_swap_4.S bswap64.c divsi3.S \
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fabs.c flt_rounds.c fpgetround.c fpsetround.c \
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fpgetmask.S fpsetmask.S fpgetsticky.S fpsetsticky.S \
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infinity.c isinf.c frexp.c ldexp.c modf.c
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infinity.c isinf.c isnan.c frexp.c ldexp.c modf.c
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SRCS+= setjmp.S __setjmp14.S
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SRCS+= _setjmp.S
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@ -1,7 +1,12 @@
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/* $NetBSD: isinf.c,v 1.5 1998/11/14 19:31:01 christos Exp $ */
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/* $NetBSD: isinf.c,v 1.6 1999/08/29 18:08:29 mycroft Exp $ */
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/*
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* Copyright (c) 1996 Mark Brinicombe
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@ -13,16 +18,16 @@
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Mark Brinicombe
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* for the NetBSD project.
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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@ -30,32 +35,34 @@
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: isinf.c,v 1.6 1999/08/29 18:08:29 mycroft Exp $");
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#endif
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include <sys/types.h>
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#include <machine/ieee.h>
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#include <math.h>
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#ifdef __weak_alias
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__weak_alias(isnan,_isnan);
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__weak_alias(isinf,_isinf);
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#endif
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int
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isnan(d)
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double d;
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{
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register struct ieee_double *p = (struct ieee_double *)(void *)&d;
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return(p->dbl_exp == DBL_EXP_INFNAN && (p->dbl_frach || p->dbl_fracl));
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}
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int
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isinf(d)
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double d;
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{
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register struct ieee_double *p = (struct ieee_double *)(void *)&d;
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return(p->dbl_exp == DBL_EXP_INFNAN && !p->dbl_frach && !p->dbl_fracl);
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return (p->dbl_exp == DBL_EXP_INFNAN &&
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(p->dbl_frach == 0 && p->dbl_fracl == 0));
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}
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68
lib/libc/arch/arm32/gen/isnan.c
Normal file
68
lib/libc/arch/arm32/gen/isnan.c
Normal file
@ -0,0 +1,68 @@
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/* $NetBSD: isnan.c,v 1.1 1999/08/29 18:08:29 mycroft Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
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* contributed to Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* 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
|
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* 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.
|
||||
*
|
||||
* 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
|
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
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* SUCH DAMAGE.
|
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*
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* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: isnan.c,v 1.1 1999/08/29 18:08:29 mycroft Exp $");
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#endif
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include <sys/types.h>
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#include <machine/ieee.h>
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#include <math.h>
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#ifdef __weak_alias
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__weak_alias(isnan,_isnan);
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#endif
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int
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isnan(d)
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double d;
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{
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register struct ieee_double *p = (struct ieee_double *)(void *)&d;
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return (p->dbl_exp == DBL_EXP_INFNAN &&
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(p->dbl_frach != 0 || p->dbl_fracl != 0));
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}
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@ -1,4 +1,4 @@
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# $NetBSD: Makefile.inc,v 1.7 1999/01/15 13:31:17 bouyer Exp $
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# $NetBSD: Makefile.inc,v 1.8 1999/08/29 18:08:30 mycroft Exp $
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# objects built from assembler sources (need lint stubs)
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SRCS+= alloca.S byte_swap_2.S byte_swap_4.S fabs.S modf.S \
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@ -10,7 +10,7 @@ SRCS+= _setjmp.S
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SRCS+= sigsetjmp.S __sigsetjmp14.S
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# objects built from C sources
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SRCS+= bswap64.c frexp.c infinity.c isinf.c ldexp.c
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SRCS+= bswap64.c frexp.c infinity.c isinf.c isnan.c ldexp.c
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# "internal" objects (don't provide part of the user-visible API)
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SRCS+= divsi3.S fixdfsi.S fixunsdfsi.S udivsi3.S
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@ -1,8 +1,12 @@
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/* $NetBSD: isinf.c,v 1.5 1998/11/14 19:31:01 christos Exp $ */
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/* $NetBSD: isinf.c,v 1.6 1999/08/29 18:08:30 mycroft Exp $ */
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/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
|
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/*
|
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* Copyright (c) 1992, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This software was developed by the Computer Systems Engineering group
|
||||
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
||||
* contributed to Berkeley.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
@ -31,50 +35,34 @@
|
||||
* 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.
|
||||
*
|
||||
* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)isinf.c 5.1 (Berkeley) 3/18/91";
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static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: isinf.c,v 1.5 1998/11/14 19:31:01 christos Exp $");
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__RCSID("$NetBSD: isinf.c,v 1.6 1999/08/29 18:08:30 mycroft Exp $");
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#endif
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include <sys/types.h>
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#include <machine/ieee.h>
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#include <math.h>
|
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|
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#ifdef __weak_alias
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__weak_alias(isnan,_isnan);
|
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__weak_alias(isinf,_isinf);
|
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#endif
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int
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isnan(d)
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double d;
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{
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register struct IEEEdp {
|
||||
u_int manl : 32;
|
||||
u_int manh : 20;
|
||||
u_int exp : 11;
|
||||
u_int sign : 1;
|
||||
} *p = (struct IEEEdp *)(void *)&d;
|
||||
|
||||
return(p->exp == 2047 && (p->manh || p->manl));
|
||||
}
|
||||
|
||||
int
|
||||
isinf(d)
|
||||
double d;
|
||||
{
|
||||
register struct IEEEdp {
|
||||
u_int manl : 32;
|
||||
u_int manh : 20;
|
||||
u_int exp : 11;
|
||||
u_int sign : 1;
|
||||
} *p = (struct IEEEdp *)(void *)&d;
|
||||
register struct ieee_double *p = (struct ieee_double *)(void *)&d;
|
||||
|
||||
return(p->exp == 2047 && !p->manh && !p->manl);
|
||||
return (p->dbl_exp == DBL_EXP_INFNAN &&
|
||||
(p->dbl_frach == 0 && p->dbl_fracl == 0));
|
||||
}
|
||||
|
||||
68
lib/libc/arch/i386/gen/isnan.c
Normal file
68
lib/libc/arch/i386/gen/isnan.c
Normal file
@ -0,0 +1,68 @@
|
||||
/* $NetBSD: isnan.c,v 1.1 1999/08/29 18:08:30 mycroft Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1992, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This software was developed by the Computer Systems Engineering group
|
||||
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
||||
* contributed to Berkeley.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
|
||||
#else
|
||||
__RCSID("$NetBSD: isnan.c,v 1.1 1999/08/29 18:08:30 mycroft Exp $");
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include "namespace.h"
|
||||
#include <sys/types.h>
|
||||
#include <machine/ieee.h>
|
||||
#include <math.h>
|
||||
|
||||
#ifdef __weak_alias
|
||||
__weak_alias(isnan,_isnan);
|
||||
#endif
|
||||
|
||||
int
|
||||
isnan(d)
|
||||
double d;
|
||||
{
|
||||
register struct ieee_double *p = (struct ieee_double *)(void *)&d;
|
||||
|
||||
return (p->dbl_exp == DBL_EXP_INFNAN &&
|
||||
(p->dbl_frach != 0 || p->dbl_fracl != 0));
|
||||
}
|
||||
@ -1,6 +1,6 @@
|
||||
# $NetBSD: Makefile.inc,v 1.9 1999/01/15 13:31:18 bouyer Exp $
|
||||
# $NetBSD: Makefile.inc,v 1.10 1999/08/29 18:08:30 mycroft Exp $
|
||||
|
||||
SRCS+= alloca.S fabs.S frexp.c infinity.c isinf.c modf.S
|
||||
SRCS+= alloca.S fabs.S frexp.c infinity.c isinf.c isnan.c modf.S
|
||||
SRCS+= flt_rounds.S fpgetmask.S fpgetround.S fpgetsticky.S fpsetmask.S \
|
||||
fpsetround.S fpsetsticky.S
|
||||
SRCS+= adddf3.S addsf3.S ashlsi3.S ashrsi3.S cmpdf2.S cmpsf2.S divdf3.S \
|
||||
|
||||
@ -1,8 +1,12 @@
|
||||
/* $NetBSD: isinf.c,v 1.6 1998/11/14 19:31:01 christos Exp $ */
|
||||
/* $NetBSD: isinf.c,v 1.7 1999/08/29 18:08:30 mycroft Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1991 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
/*
|
||||
* Copyright (c) 1992, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This software was developed by the Computer Systems Engineering group
|
||||
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
||||
* contributed to Berkeley.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
@ -31,50 +35,34 @@
|
||||
* 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.
|
||||
*
|
||||
* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
#if 0
|
||||
static char sccsid[] = "from: @(#)isinf.c 5.1 (Berkeley) 3/18/91";
|
||||
static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
|
||||
#else
|
||||
__RCSID("$NetBSD: isinf.c,v 1.6 1998/11/14 19:31:01 christos Exp $");
|
||||
__RCSID("$NetBSD: isinf.c,v 1.7 1999/08/29 18:08:30 mycroft Exp $");
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include "namespace.h"
|
||||
#include <sys/types.h>
|
||||
#include <machine/ieee.h>
|
||||
#include <math.h>
|
||||
|
||||
#ifdef __weak_alias
|
||||
__weak_alias(isnan,_isnan);
|
||||
__weak_alias(isinf,_isinf);
|
||||
#endif
|
||||
|
||||
int
|
||||
isnan(d)
|
||||
double d;
|
||||
{
|
||||
register struct IEEEdp {
|
||||
u_int sign : 1;
|
||||
u_int exp : 11;
|
||||
u_int manh : 20;
|
||||
u_int manl : 32;
|
||||
} *p = (struct IEEEdp *)(void *)&d;
|
||||
|
||||
return(p->exp == 2047 && (p->manh || p->manl));
|
||||
}
|
||||
|
||||
int
|
||||
isinf(d)
|
||||
double d;
|
||||
{
|
||||
register struct IEEEdp {
|
||||
u_int sign : 1;
|
||||
u_int exp : 11;
|
||||
u_int manh : 20;
|
||||
u_int manl : 32;
|
||||
} *p = (struct IEEEdp *)(void *)&d;
|
||||
register struct ieee_double *p = (struct ieee_double *)(void *)&d;
|
||||
|
||||
return(p->exp == 2047 && !p->manh && !p->manl);
|
||||
return (p->dbl_exp == DBL_EXP_INFNAN &&
|
||||
(p->dbl_frach == 0 && p->dbl_fracl == 0));
|
||||
}
|
||||
|
||||
68
lib/libc/arch/m68k/gen/isnan.c
Normal file
68
lib/libc/arch/m68k/gen/isnan.c
Normal file
@ -0,0 +1,68 @@
|
||||
/* $NetBSD: isnan.c,v 1.1 1999/08/29 18:08:30 mycroft Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1992, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This software was developed by the Computer Systems Engineering group
|
||||
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
||||
* contributed to Berkeley.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
|
||||
#else
|
||||
__RCSID("$NetBSD: isnan.c,v 1.1 1999/08/29 18:08:30 mycroft Exp $");
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include "namespace.h"
|
||||
#include <sys/types.h>
|
||||
#include <machine/ieee.h>
|
||||
#include <math.h>
|
||||
|
||||
#ifdef __weak_alias
|
||||
__weak_alias(isnan,_isnan);
|
||||
#endif
|
||||
|
||||
int
|
||||
isnan(d)
|
||||
double d;
|
||||
{
|
||||
register struct ieee_double *p = (struct ieee_double *)(void *)&d;
|
||||
|
||||
return (p->dbl_exp == DBL_EXP_INFNAN &&
|
||||
(p->dbl_frach != 0 || p->dbl_fracl != 0));
|
||||
}
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: isinf.c,v 1.4 1998/11/14 19:31:02 christos Exp $ */
|
||||
/* $NetBSD: isinf.c,v 1.5 1999/08/29 18:08:31 mycroft Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1992, 1993
|
||||
@ -44,7 +44,7 @@
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
|
||||
#else
|
||||
__RCSID("$NetBSD: isinf.c,v 1.4 1998/11/14 19:31:02 christos Exp $");
|
||||
__RCSID("$NetBSD: isinf.c,v 1.5 1999/08/29 18:08:31 mycroft Exp $");
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
@ -64,5 +64,5 @@ isinf(d)
|
||||
register struct ieee_double *p = (struct ieee_double *)(void *)&d;
|
||||
|
||||
return (p->dbl_exp == DBL_EXP_INFNAN &&
|
||||
p->dbl_frach == 0 && p->dbl_fracl == 0);
|
||||
(p->dbl_frach == 0 && p->dbl_fracl == 0));
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: isnan.c,v 1.3 1998/10/13 14:43:38 kleink Exp $ */
|
||||
/* $NetBSD: isnan.c,v 1.4 1999/08/29 18:08:31 mycroft Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1992, 1993
|
||||
@ -36,15 +36,15 @@
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* from: Header: isnan.c,v 1.1 91/07/08 19:03:34 torek Exp
|
||||
* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)isnan.c 8.1 (Berkeley) 6/4/93";
|
||||
static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
|
||||
#else
|
||||
__RCSID("$NetBSD: isnan.c,v 1.3 1998/10/13 14:43:38 kleink Exp $");
|
||||
__RCSID("$NetBSD: isnan.c,v 1.4 1999/08/29 18:08:31 mycroft Exp $");
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
@ -61,7 +61,7 @@ int
|
||||
isnan(d)
|
||||
double d;
|
||||
{
|
||||
register struct ieee_double *p = (struct ieee_double *)&d;
|
||||
register struct ieee_double *p = (struct ieee_double *)(void *)&d;
|
||||
|
||||
return (p->dbl_exp == DBL_EXP_INFNAN &&
|
||||
(p->dbl_frach != 0 || p->dbl_fracl != 0));
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: isinf.c,v 1.5 1998/11/14 19:31:02 christos Exp $ */
|
||||
/* $NetBSD: isinf.c,v 1.6 1999/08/29 18:08:31 mycroft Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1992, 1993
|
||||
@ -44,14 +44,14 @@
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
|
||||
#else
|
||||
__RCSID("$NetBSD: isinf.c,v 1.5 1998/11/14 19:31:02 christos Exp $");
|
||||
__RCSID("$NetBSD: isinf.c,v 1.6 1999/08/29 18:08:31 mycroft Exp $");
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include "namespace.h"
|
||||
#include <math.h>
|
||||
#include <sys/types.h>
|
||||
#include <machine/ieee.h>
|
||||
#include <math.h>
|
||||
|
||||
#ifdef __weak_alias
|
||||
__weak_alias(isinf,_isinf);
|
||||
@ -64,5 +64,5 @@ isinf(d)
|
||||
register struct ieee_double *p = (struct ieee_double *)(void *)&d;
|
||||
|
||||
return (p->dbl_exp == DBL_EXP_INFNAN &&
|
||||
p->dbl_frach == 0 && p->dbl_fracl == 0);
|
||||
(p->dbl_frach == 0 && p->dbl_fracl == 0));
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: isnan.c,v 1.4 1998/10/13 14:43:38 kleink Exp $ */
|
||||
/* $NetBSD: isnan.c,v 1.5 1999/08/29 18:08:31 mycroft Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1992, 1993
|
||||
@ -36,22 +36,22 @@
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* from: Header: isnan.c,v 1.1 91/07/08 19:03:34 torek Exp
|
||||
* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)isnan.c 8.1 (Berkeley) 6/4/93";
|
||||
static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
|
||||
#else
|
||||
__RCSID("$NetBSD: isnan.c,v 1.4 1998/10/13 14:43:38 kleink Exp $");
|
||||
__RCSID("$NetBSD: isnan.c,v 1.5 1999/08/29 18:08:31 mycroft Exp $");
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include "namespace.h"
|
||||
#include <math.h>
|
||||
#include <sys/types.h>
|
||||
#include <machine/ieee.h>
|
||||
#include <math.h>
|
||||
|
||||
#ifdef __weak_alias
|
||||
__weak_alias(isnan,_isnan);
|
||||
@ -61,7 +61,7 @@ int
|
||||
isnan(d)
|
||||
double d;
|
||||
{
|
||||
register struct ieee_double *p = (struct ieee_double *)&d;
|
||||
register struct ieee_double *p = (struct ieee_double *)(void *)&d;
|
||||
|
||||
return (p->dbl_exp == DBL_EXP_INFNAN &&
|
||||
(p->dbl_frach != 0 || p->dbl_fracl != 0));
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: isinf.c,v 1.3 1998/11/14 19:31:02 christos Exp $ */
|
||||
/* $NetBSD: isinf.c,v 1.4 1999/08/29 18:08:32 mycroft Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1992, 1993
|
||||
@ -44,14 +44,14 @@
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
|
||||
#else
|
||||
__RCSID("$NetBSD: isinf.c,v 1.3 1998/11/14 19:31:02 christos Exp $");
|
||||
__RCSID("$NetBSD: isinf.c,v 1.4 1999/08/29 18:08:32 mycroft Exp $");
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include "namespace.h"
|
||||
#include <math.h>
|
||||
#include <sys/types.h>
|
||||
#include <machine/ieee.h>
|
||||
#include <math.h>
|
||||
|
||||
#ifdef __weak_alias
|
||||
__weak_alias(isinf,_isinf);
|
||||
@ -64,5 +64,5 @@ isinf(d)
|
||||
register struct ieee_double *p = (struct ieee_double *)(void *)&d;
|
||||
|
||||
return (p->dbl_exp == DBL_EXP_INFNAN &&
|
||||
p->dbl_frach == 0 && p->dbl_fracl == 0);
|
||||
(p->dbl_frach == 0 && p->dbl_fracl == 0));
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: isnan.c,v 1.2 1998/10/13 14:43:38 kleink Exp $ */
|
||||
/* $NetBSD: isnan.c,v 1.3 1999/08/29 18:08:32 mycroft Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1992, 1993
|
||||
@ -36,22 +36,22 @@
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* from: Header: isnan.c,v 1.1 91/07/08 19:03:34 torek Exp
|
||||
* from: Header: isinf.c,v 1.1 91/07/08 19:03:34 torek Exp
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)isnan.c 8.1 (Berkeley) 6/4/93";
|
||||
static char sccsid[] = "@(#)isinf.c 8.1 (Berkeley) 6/4/93";
|
||||
#else
|
||||
__RCSID("$NetBSD: isnan.c,v 1.2 1998/10/13 14:43:38 kleink Exp $");
|
||||
__RCSID("$NetBSD: isnan.c,v 1.3 1999/08/29 18:08:32 mycroft Exp $");
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include "namespace.h"
|
||||
#include <math.h>
|
||||
#include <sys/types.h>
|
||||
#include <machine/ieee.h>
|
||||
#include <math.h>
|
||||
|
||||
#ifdef __weak_alias
|
||||
__weak_alias(isnan,_isnan);
|
||||
@ -61,7 +61,7 @@ int
|
||||
isnan(d)
|
||||
double d;
|
||||
{
|
||||
register struct ieee_double *p = (struct ieee_double *)&d;
|
||||
register struct ieee_double *p = (struct ieee_double *)(void *)&d;
|
||||
|
||||
return (p->dbl_exp == DBL_EXP_INFNAN &&
|
||||
(p->dbl_frach != 0 || p->dbl_fracl != 0));
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user