Define Integer#== instead of Bignum#==.

* numeric.c (int_equal): Define Integer#==.

* bignum.c (rb_big_eq): Don't define Bignum#==.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54846 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 24 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index 1ec8485df8..f9665d592a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Apr 30 20:17:08 2016  Tanaka Akira  <akr@fsij.org>
+
+	* numeric.c (int_equal): Define Integer#==.
+
+	* bignum.c (rb_big_eq): Don't define Bignum#==.
+
 Sat Apr 30 19:41:15 2016  Tanaka Akira  <akr@fsij.org>
 
 	* numeric.c (int_gt): Define Integer#>.
diff --git a/bignum.c b/bignum.c
index ea2931b80f..14c8ec8f45 100644
--- a/bignum.c
+++ b/bignum.c
@@ -6848,7 +6848,6 @@ Init_Bignum(void)
     rb_define_method(rb_cBignum, "/", rb_big_div, 1);
     rb_define_method(rb_cBignum, "%", rb_big_modulo, 1);
 
-    rb_define_method(rb_cBignum, "==", rb_big_eq, 1);
     rb_define_method(rb_cBignum, "===", rb_big_eq, 1);
 
 #ifdef USE_GMP
diff --git a/numeric.c b/numeric.c
index 5c3bc2912f..50c13b8659 100644
--- a/numeric.c
+++ b/numeric.c
@@ -3747,11 +3747,14 @@ rb_int_pow(VALUE x, VALUE y)
 }
 
 /*
+ * Document-method: Integer#==
  * Document-method: Fixnum#==
  * call-seq:
- *   fix == other  ->  true or false
+ *   int == other  ->  true or false
  *
- * Return +true+ if +fix+ equals +other+ numerically.
+ * Return +true+ if +int+ equals +other+ numerically.
+ * Contrast this with <code>Integer#eql?</code>, which
+ * requires <i>other</i> to be a <code>Integer</code>.
  *
  *   1 == 2      #=> false
  *   1 == 1.0    #=> true
@@ -3773,6 +3776,18 @@ fix_equal(VALUE x, VALUE y)
     }
 }
 
+static VALUE
+int_equal(VALUE x, VALUE y)
+{
+    if (FIXNUM_P(x)) {
+	return fix_equal(x, y);
+    }
+    else if (RB_TYPE_P(x, T_BIGNUM)) {
+	return rb_big_eq(x, y);
+    }
+    return Qnil;
+}
+
 /*
  *  Document-method: Integer#<=>
  *  call-seq:
@@ -4937,6 +4952,7 @@ Init_Numeric(void)
     rb_define_method(rb_cInteger, "abs", int_abs, 0);
     rb_define_method(rb_cInteger, "magnitude", int_abs, 0);
 
+    rb_define_method(rb_cInteger, "==", int_equal, 1);
     rb_define_method(rb_cInteger, ">", int_gt, 1);
     rb_define_method(rb_cInteger, ">=", int_ge, 1);
     rb_define_method(rb_cInteger, "<", int_lt, 1);