* include/ruby/missing.h, numeric.c (round): moved prototype of round()

from numeric.c to missing.h.  (note: round() is C99 feature, so ruby
  provides it if not exists in C runtime.)


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Fri Jun  3 20:56:40 2011  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* include/ruby/missing.h, numeric.c (round): moved prototype of round()
+	  from numeric.c to missing.h.  (note: round() is C99 feature, so ruby
+	  provides it if not exists in C runtime.)
+
 Fri Jun  3 19:58:14 2011  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* io.c (io_fflush): windows -- call fsync() only when the FD is tied to

include/ruby/missing.h

@@ -80,6 +80,10 @@ RUBY_EXTERN int dup2(int, int);
 RUBY_EXTERN int eaccess(const char*, int);
 #endif
 
+#ifndef HAVE_ROUND
+RUBY_EXTERN double round(double);	/* numeric.c */
+#endif
+
 #ifndef HAVE_FINITE
 RUBY_EXTERN int finite(double);
 #endif

numeric.c

@@ -78,8 +78,6 @@ const unsigned char rb_nan[] = "\x00\x00\xc0\x7f";
 const unsigned char rb_nan[] = "\x7f\xc0\x00\x00";
 #endif
 
-extern double round(double);
-
 #ifndef HAVE_ROUND
 double
 round(double x)