* complex.c, rational.c, lib/cmath.rb, lib/date.rb lib/date/delta*:

	  reverted r27484-27486.  now official spec.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27503 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/date.rb b/lib/date.rb
index a400c2afdc..3bb0875023 100644
--- a/lib/date.rb
+++ b/lib/date.rb
@@ -1371,6 +1371,12 @@ class Date
     case other
     when Numeric; return @ajd <=> other
     when Date;    return @ajd <=> other.ajd
+    else
+      begin
+        l, r = other.coerce(self)
+        return l <=> r
+      rescue NoMethodError
+      end
     end
     nil
   end
@@ -1385,6 +1391,9 @@ class Date
     case other
     when Numeric; return jd == other
     when Date;    return jd == other.jd
+    else
+      l, r = other.coerce(self)
+      return l === r
     end
     false
   end