define NAN for non C99 environments

14 years ago · b4424c9d2c
2 changed files with 10 additions and 2 deletions
--- a/4
+++ b/4
@ -1,3 +1,7 @@
+2012-01-28  Robert Larice
+ * src/include/ngspice/ngspice.h :
+  define NAN for non C99 environments
+
 2012-01-28  Holger Vogt
 * configure.ac, compile_min.sh: prepare for release 24
 * mifdelete.c: prevent crash upon 'reset', if codemodel is an array
--- a/src/include/ngspice/ngspice.h
+++ b/src/include/ngspice/ngspice.h
@ -182,6 +182,10 @@
 #pragma warning(disable: 4127)
 #endif

+// for non C99 environments
+#if !defined(NAN)
+#define NAN (0.0/0.0)
+#endif

 /* Fast random number generator */
 //#define FastRand