Bug #1481: exact Time and inexact Time

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: 1.9.1

[matz (Yukihiro Matsumoto)]

=begin
まつもと ゆきひろです

In message "Re: [ruby-dev:38484] Re: [Bug:1.9] exact Time and inexact Time"
on Sun, 17 May 2009 21:46:01 +0900, Tanaka Akira [e-mail] writes:

|Time#to_r を加えるのはあり得ると思います。

私もこちらに賛成します。
=end

[mame (Yusuke Endoh)]

=begin
遠藤です。

2009/05/18 9:05 Yukihiro Matsumoto [e-mail]:

まつもと ゆきひろです

In message "Re: [ruby-dev:38484] Re: [Bug:1.9] exact Time and inexact Time"
on Sun, 17 May 2009 21:46:01 +0900, Tanaka Akira [e-mail] writes:

|Time#to_r を加えるのはあり得ると思います。

私もこちらに賛成します。

それではパッチを書きました。

• Time#to_r を追加
• Time#- は常に Float を返す (1.9.1 と同じ挙動)

特に反対がなければコミットしようと思います。

Index: time.c

--- time.c (revision 23485)
+++ time.c (working copy)
@@ -2277,6 +2277,30 @@

/*

• call-seq:

• • time.to_r => Rational
    

• • Returns the value of time as a rational number of seconds
• • since the Epoch.

• • t = Time.now
    

• • p t.to_r            #=> (8807170717088293/8388608)
    

• • This method is intended to be used to get an accurate value
• • representing nanoseconds from the Epoch. You can use this
• • to convert time to another Epoch.
• */

+static VALUE
+time_to_r(VALUE time)
+{

• struct time_object *tobj;
• GetTimeval(time, tobj);
• return tobj->timev;
  +}

+/*

• • call-seq:

  • time.usec    => int
    

  • time.tv_usec => int
    

@@ -2803,7 +2827,7 @@
struct time_object *tobj2;

GetTimeval(time2, tobj2);

•    return sub(tobj->timev, tobj2->timev);
  

•    return rb_Float(sub(tobj->timev, tobj2->timev));
  

  }
  return time_add(tobj, time2, -1);
  }
  @@ -3682,6 +3706,7 @@

  rb_define_method(rb_cTime, "to_i", time_to_i, 0);
  rb_define_method(rb_cTime, "to_f", time_to_f, 0);

• rb_define_method(rb_cTime, "to_r", time_to_r, 0);
  rb_define_method(rb_cTime, "<=>", time_cmp, 1);
  rb_define_method(rb_cTime, "eql?", time_eql, 1);
  rb_define_method(rb_cTime, "hash", time_hash, 0);

--
Yusuke ENDOH [e-mail]

=end

[matz (Yukihiro Matsumoto)]

• Status changed from Open to Closed
• ruby -v set to 1.9.1

=begin
redundant
=end