cond_binary.c in numo-narray-0.9.1.3

- old
+ new

@@ -42,10 +42,10 @@
 {
     <% if is_object %>
     return <%=c_func%>_self(self, other);
     <% else %>
     VALUE klass, v;
-    klass = na_upcast(CLASS_OF(self),CLASS_OF(other));
+    klass = na_upcast(rb_obj_class(self),rb_obj_class(other));
     if (klass==cT) {
         return <%=c_func%>_self(self, other);
     } else {
         v = rb_funcall(klass, id_cast, 1, self);
         return rb_funcall(v, <%=id_op%>, 1, other);