diff options
| author | sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-02-16 20:15:10 +0000 |
|---|---|---|
| committer | sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-02-16 20:15:10 +0000 |
| commit | 4fe41d20e2dc51a6934f3ebd64539b7c4c8841ac (patch) | |
| tree | 2aa1da3dc4fc68fef3858bc4168bdaeb05ec25b9 /libiberty/floatformat.c | |
| parent | 40c08f690c77eeeb74fcc4feab083e2fa78a8ff0 (diff) | |
2006-02-16 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_0-branch@111147 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libiberty/floatformat.c')
| -rw-r--r-- | libiberty/floatformat.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/libiberty/floatformat.c b/libiberty/floatformat.c index a0f65354e48..273edd750a9 100644 --- a/libiberty/floatformat.c +++ b/libiberty/floatformat.c @@ -1,5 +1,6 @@ /* IEEE floating point support routines, for GDB, the GNU Debugger. - Copyright (C) 1991, 1994, 1999, 2000, 2003 Free Software Foundation, Inc. + Copyright (C) 1991, 1994, 1999, 2000, 2003, 2006 + Free Software Foundation, Inc. This file is part of GDB. @@ -30,6 +31,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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" @@ -43,8 +49,12 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 PARAMS ((const unsigned char *, enum floatformat_byteorders, |