#endif
/* for Solaris */
-#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS) && defined(FP_NINF) && defined(FP_PINF))
+#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS))
# define HAVE_ISINF 1
# ifdef isinf
# undef isinf
#endif
/* solaris 10 it defines isnan such that only forte can compile it ... bad bad */
-#if (defined(HAVE_ISNAN) && defined(isnan) && defined(HAVE_FPCLASS) && defined(FP_SNAN) && defined(FP_QNAN))
+#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) && defined(FP_NEG_INF) && defined( FP_POS_INF))
+#if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
# define HAVE_ISINF 1
# define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF)
#endif
-#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_PLUS_INF) && defined(FP_MINUS_INF))
+#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY))
# define HAVE_ISINF 1
# define isinf(a) (fpclassify(a) == FP_MINUS_INF || fpclassify(a) == FP_PLUS_INF)
#endif
-#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
+#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY))
# define HAVE_ISINF 1
# define isinf(a) (fpclassify(a) == FP_INFINITE)
#endif