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authorusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-06-06 06:11:37 +0000
committerusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-06-06 06:11:37 +0000
commit5574d874fb0ead39ad34000cdae4b55327465af6 (patch)
tree1054760f26cf2d630d07fd35a55cfd2397b0b262 /include/ruby/missing.h
parentf4e499de6cf0708e5982e905fac24f33f4e1b58e (diff)
* include/ruby/{defines,missing}.h (rb_infinity, rb_nan): move from
defines.h to missing.h. (couldn't use RUBY_EXTERN there.) git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31938 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'include/ruby/missing.h')
-rw-r--r--include/ruby/missing.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h
index 1a1aa958ac..ac0a5c9dc0 100644
--- a/include/ruby/missing.h
+++ b/include/ruby/missing.h
@@ -119,6 +119,22 @@ RUBY_EXTERN double lgamma_r(double, int *);
RUBY_EXTERN double cbrt(double);
#endif
+#ifdef INFINITY
+# define HAVE_INFINITY
+#else
+/** @internal */
+RUBY_EXTERN const unsigned char rb_infinity[];
+# define INFINITY (*(float *)rb_infinity)
+#endif
+
+#ifdef NAN
+# define HAVE_NAN
+#else
+/** @internal */
+RUBY_EXTERN const unsigned char rb_nan[];
+# define NAN (*(float *)rb_nan)
+#endif
+
#ifndef isinf
# ifndef HAVE_ISINF
# if defined(HAVE_FINITE) && defined(HAVE_ISNAN)