MySQL 5.6.14 Source Code Document
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my_isnan.c
1 /* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
2 
3  This program is free software; you can redistribute it and/or modify
4  it under the terms of the GNU General Public License as published by
5  the Free Software Foundation; version 2 of the License.
6 
7  This program is distributed in the hope that it will be useful,
8  but WITHOUT ANY WARRANTY; without even the implied warranty of
9  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  GNU General Public License for more details.
11 
12  You should have received a copy of the GNU General Public License
13  along with this program; if not, write to the Free Software
14  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
15 
16 #include "my_global.h"
17 
18 #ifdef __WIN__
19 #include <float.h>
20 #endif
21 
22 #include <math.h>
23 
24 double my_double_isnan(double x)
25 {
26  return isnan(x);
27 }