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-rw-r--r--src/util.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/util.c b/src/util.c
index 28cfffa4a..2a7d7a2b0 100644
--- a/src/util.c
+++ b/src/util.c
@@ -14,7 +14,7 @@
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
-** $Id: util.c,v 1.222 2008/04/16 00:49:12 drh Exp $
+** $Id: util.c,v 1.223 2008/04/28 16:55:26 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
@@ -22,6 +22,14 @@
/*
+** Return true if the floating point value is Not a Number.
+*/
+int sqlite3IsNaN(double x){
+ volatile double y = x;
+ return x!=y;
+}
+
+/*
** Set the most recent error code and error string for the sqlite
** handle "db". The error code is set to "err_code".
**