diff options
| -rw-r--r-- | libiberty/ChangeLog | 8 | ||||
| -rw-r--r-- | libiberty/floatformat.c | 11 |
2 files changed, 18 insertions, 1 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index df72f6d..e319e76 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -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 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, |