this will replace isnan with an fpclass expression hopefully working around the problem
git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@865
a5681a0c-68f1-0310-ab6d-
d61299d08faa
# define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
#endif
+/* solaris 10 it defines isnan such that only forte can compile it ... bad bad */
+#if (defined(HAVE_ISNAN) && defined(isnan) && defined(HAVE_FPCLASS))
+# undef isnan
+# define isnan(a) (fpclass(a) == FP_SNAN || fpclass(a) == FP_QNAN)
+#endif
+
/* for OSF1 Digital Unix */
#if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
# define HAVE_ISINF 1