diff options
Diffstat (limited to 'src/backend/utils/adt/float.c')
| -rw-r--r-- | src/backend/utils/adt/float.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c index b5147c9aa45..132e6a11e45 100644 --- a/src/backend/utils/adt/float.c +++ b/src/backend/utils/adt/float.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.124 2006/04/24 20:36:32 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.125 2006/06/07 22:24:44 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -80,6 +80,14 @@ #define HAVE_FINITE 1 #endif +/* Visual C++ etc lacks NAN, and won't accept 0.0/0.0. NAN definition from + * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclang/html/vclrfNotNumberNANItems.asp + */ +#if defined(WIN32) && !defined(NAN) +static const uint32 nan[2] = {0xffffffff, 0x7fffffff}; +#define NAN (*(const double *) nan) +#endif + /* not sure what the following should be, but better to make it over-sufficient */ #define MAXFLOATWIDTH 64 #define MAXDOUBLEWIDTH 128 |