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re PR bootstrap/16787 (NAN constant "(0.0/0.0)" cannot be compiled by Tru64 cc)

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2006-02-11  Roger Sayle  <roger@eyesopen.com>
	    R. Scott Bailey  <scott.bailey@eds.com>
	    Bill Northcott  <w.northcott@unsw.edu.au>

	PR bootstrap/16787
	* floatformat.c: Include <float.h> where available.
	(NAN): Use value of DBL_QNAN if defined, and NAN isn't.


Co-Authored-By: Bill Northcott <w.northcott@unsw.edu.au>
Co-Authored-By: R. Scott Bailey <scott.bailey@eds.com>

From-SVN: r110873
This commit is contained in:
Roger Sayle 2006-02-11 16:50:41 +00:00 committed by Roger Sayle
parent 7405f03c5e
commit 12c61ac390
2 changed files with 18 additions and 1 deletions
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8
libiberty/ChangeLog
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@ -1,3 +1,11 @@
2006-02-11 Roger Sayle <roger@eyesopen.com>
R. Scott Bailey <scott.bailey@eds.com>
Bill Northcott <w.northcott@unsw.edu.au>
PR bootstrap/16787
* floatformat.c: Include <float.h> where available.
(NAN): Use value of DBL_QNAN if defined, and NAN isn't.
2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
* configure.ac: Add -Wc++-compat to ac_libibety_warn_cflags where

11
libiberty/floatformat.c
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@ -1,5 +1,5 @@
/* IEEE floating point support routines, for GDB, the GNU Debugger.
Copyright 1991, 1994, 1999, 2000, 2003, 2005
Copyright 1991, 1994, 1999, 2000, 2003, 2005, 2006
Free Software Foundation, Inc.
This file is part of GDB.
@ -31,6 +31,11 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
#include <string.h>
#endif
/* On some platforms, <float.h> provides DBL_QNAN. */
#ifdef STDC_HEADERS
#include <float.h>
#endif
#include "ansidecl.h"
#include "libiberty.h"
#include "floatformat.h"
@ -44,8 +49,12 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
#endif
#ifndef NAN
#ifdef DBL_QNAN
#define NAN DBL_QNAN
#else
#define NAN (0.0 / 0.0)
#endif
#endif
static unsigned long get_field (const unsigned char *,
enum floatformat_byteorders,