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| author | DJ Delorie <dj@redhat.com> | 2006-02-12 15:54:25 +0000 |
|---|---|---|
| committer | DJ Delorie <dj@redhat.com> | 2006-02-12 15:54:25 +0000 |
| commit | e27d251e327de665b6f3284557acb8c8176e4375 (patch) | |
| tree | faee9c8ea42c2e715d15b04aaa3579e96548ff36 /libiberty/floatformat.c | |
| parent | 3b24bd49b51996525ab189bd879ba7728b285a6d (diff) | |
| download | gdb-e27d251e327de665b6f3284557acb8c8176e4375.zip gdb-e27d251e327de665b6f3284557acb8c8176e4375.tar.gz gdb-e27d251e327de665b6f3284557acb8c8176e4375.tar.bz2 | |
merge from gcc
Diffstat (limited to 'libiberty/floatformat.c')
| -rw-r--r-- | libiberty/floatformat.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/libiberty/floatformat.c b/libiberty/floatformat.c index c97b6c5..bd31efa 100644 --- a/libiberty/floatformat.c +++ b/libiberty/floatformat.c @@ -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, |