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| author | drh <drh@noemail.net> | 2008-04-28 16:55:26 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2008-04-28 16:55:26 +0000 |
| commit | 0de3ae95d5dafdb602f8df24014397b4a63fb0f9 (patch) | |
| tree | 97328f7e22ca088680d40731b7a1b8b233b54aa5 /src/util.c | |
| parent | f51bf48b327afde2a11727f76a0af9c44cbf372c (diff) | |
| download | sqlite-0de3ae95d5dafdb602f8df24014397b4a63fb0f9.tar.gz sqlite-0de3ae95d5dafdb602f8df24014397b4a63fb0f9.zip | |
Change the implementation of the NaN recognition to be more cross-platform.
Ticket #3089. (CVS 5060)
FossilOrigin-Name: 07fd9a8c6ca0876f7ec447ce65173957005dc75c
Diffstat (limited to 'src/util.c')
| -rw-r--r-- | src/util.c | 10 |
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". ** |