(HUGE_VAL): Add #undef before HUGE_VAL

define, instead of surrounding it with #ifndef/#endif.

From-SVN: r5508

gcc/ginclude/math-3300.h

@@ -21,7 +21,7 @@
 
 #include <errno.h>
 
-#ifndef HUGE_VAL
+#undef HUGE_VAL
 #define HUGE_VAL							\
 ({									\
   double huge_val;							\
@@ -31,7 +31,6 @@
 	 : /* no inputs */);						\
   huge_val;								\
 })
-#endif
 
 __inline static const double sin (double x)
 {

gcc/ginclude/math-68881.h

@@ -33,12 +33,15 @@
    December 1989, add parens around `&' in pow.
    November 1990, added alternate definition of HUGE_VAL for Sun.  */
 
+/* Changed by Jim Wilson:
+   September 1993, Use #undef before HUGE_VAL instead of #ifdef/#endif.  */
+
 #ifndef __math_68881
 #define __math_68881
 
 #include <errno.h>
 
-#ifndef HUGE_VAL
+#undef HUGE_VAL
 #ifdef __sun__
 /* The Sun assembler fails to handle the hex constant in the usual defn.  */
 #define HUGE_VAL							\
@@ -57,7 +60,6 @@
   huge_val;								\
 })
 #endif
-#endif
 
 __inline static const double
 sin (double x)