Fix a bug due to optimizing compilers. See http://www.nanoengineer-1.net/mediawiki/index.php?title=Bug_1058

teoliphant · teoliphant · commit cadbb5f2ec84 · 2006-07-12T06:49:51.000Z
diff --git a/numpy/linalg/dlamch.c b/numpy/linalg/dlamch.c
@@ -672,7 +672,7 @@ doublereal dlamc3_(doublereal *a, doublereal *b)
 */
 /* >>Start of File<<   
        System generated locals */
-    doublereal ret_val;
+    volatile doublereal ret_val;
 
 
 
