* numeric.c (num_fdiv): fallback to_f should always return float

  result.  should not use #quo that may return rational.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16649 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 18 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 5f9eb1e1de..296ce35b2f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -28,6 +28,9 @@ Tue May 27 15:36:27 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* numeric.c (check_uint, rb_num2fix, int_chr): ditto.
 
+	* numeric.c (num_fdiv): fallback to_f should always return float
+	  result.  should not use #quo that may return rational.
+
 Tue May 27 13:14:53 2008  Akinori MUSHA  <knu@iDaemons.org>
 
 	* enum.c (enum_to_a): Pass arguments through to #each().
diff --git a/numeric.c b/numeric.c
index 95e44a2ec8..ea931b2275 100644
--- a/numeric.c
+++ b/numeric.c
@@ -260,6 +260,20 @@ num_quo(VALUE x, VALUE y)
 }
 
 
+/*
+ *  call-seq:
+ *     num.fdiv(numeric)    =>   float
+ *
+ *  Returns float division.
+ */
+
+static VALUE
+num_fdiv(VALUE x, VALUE y)
+{
+    return rb_funcall(rb_Float(x), '/', 1, y);
+}
+
+
 static VALUE num_floor(VALUE num);
 
 /*
@@ -3101,7 +3115,7 @@ Init_Numeric(void)
     rb_define_method(rb_cNumeric, "<=>", num_cmp, 1);
     rb_define_method(rb_cNumeric, "eql?", num_eql, 1);
     rb_define_method(rb_cNumeric, "quo", num_quo, 1);
-    rb_define_method(rb_cNumeric, "fdiv", num_quo, 1);
+    rb_define_method(rb_cNumeric, "fdiv", num_fdiv, 1);
     rb_define_method(rb_cNumeric, "div", num_div, 1);
     rb_define_method(rb_cNumeric, "divmod", num_divmod, 1);
     rb_define_method(rb_cNumeric, "modulo", num_modulo, 1);