nobu	2017-01-10 22:37:34 +0900 (Tue, 10 Jan 2017)

  New Revision: 57298

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57298

  Log:
    rational.c: f_idiv
    
    * rational.c (f_idiv): call rb_int_idiv directly if possible.

  Modified files:
    trunk/rational.c
Index: rational.c
===================================================================
--- rational.c	(revision 57297)
+++ rational.c	(revision 57298)
@@ -53,13 +53,6 @@ f_##n(VALUE x)\ https://github.com/ruby/ruby/blob/trunk/rational.c#L53
     return rb_funcall(x, id_##n, 0);\
 }
 
-#define fun2(n) \
-inline static VALUE \
-f_##n(VALUE x, VALUE y)\
-{\
-    return rb_funcall(x, id_##n, 1, y);\
-}
-
 inline static VALUE
 f_add(VALUE x, VALUE y)
 {
@@ -154,7 +147,13 @@ f_eqeq_p(VALUE x, VALUE y) https://github.com/ruby/ruby/blob/trunk/rational.c#L147
     return (int)rb_equal(x, y);
 }
 
-fun2(idiv)
+inline static VALUE
+f_idiv(VALUE x, VALUE y)
+{
+    if (RB_INTEGER_TYPE_P(x))
+	return rb_int_idiv(x, y);
+    return rb_funcall(x, id_idiv, 1, y);
+}
 
 #define f_expt10(x) rb_int_pow(INT2FIX(10), x)
 

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