Define M_SQRT2 if not available.

14499ed8 · Uwe Schulzweida · 4a333b09 · 14499ed8
Commit 14499ed8 authored Jan 08, 2018 by Uwe Schulzweida
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Showing with 6 additions and 3 deletions

src/gaussgrid.c src/gaussgrid.c +6 -3

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--- a/src/gaussgrid.c
+++ b/src/gaussgrid.c
-#ifdef HAVE_CONFIG_H
+#ifdef  HAVE_CONFIG_H
 #include "config.h"
 #endif

-#include <math.h>
-#include <float.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <float.h>
+#include <math.h>

+#ifndef  M_SQRT2
+#define  M_SQRT2  1.41421356237309504880168872420969808
+#endif

 #include "dmemory.h"
 #include "gaussgrid.h"