wrap isnan declaration, isnan is a macro on modern systems

14 years ago · 8b4cbf05c9
2 changed files with 5 additions and 1 deletions
--- a/4
+++ b/4
@ -1,3 +1,7 @@
+2012-01-11  Robert Larice
+ * src/include/ngspice/missing_math.h :
+  wrap isnan declaration, isnan is a macro on modern systems
+
 2012-01-11  Robert Larice
 * src/frontend/resource.c :
  fix printf/scanf format strings to match `unsigned long long' arguments
--- a/src/include/ngspice/missing_math.h
+++ b/src/include/ngspice/missing_math.h
@ -26,7 +26,7 @@ extern double scalbn(double, int);
 #endif

 #if !HAVE_DECL_ISNAN
-#ifndef HAVE_ISNAN
+#if !defined(HAVE_ISNAN) && !defined(isnan)
 extern int isnan(double);
 #endif
 #endif