tadf	2008-01-12 12:03:31 +0900 (Sat, 12 Jan 2008)

  New Revision: 15001

  Modified files:
    trunk/ChangeLog
    trunk/lib/date/format.rb
    trunk/lib/date.rb

  Log:
    * lib/date.rb, lib/date/format.rb: tuning for performance.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/lib/date.rb?r1=15001&r2=15000&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/lib/date/format.rb?r1=15001&r2=15000&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15001&r2=15000&diff_format=u

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 15000)
+++ ChangeLog	(revision 15001)
@@ -1,3 +1,7 @@
+Sat Jan 12 12:01:49 2008  Tadayoshi Funaba  <tadf@d...>
+
+	* lib/date.rb, lib/date/format.rb: tuning for performance.
+
 Sat Jan 12 11:29:45 2008  Nobuyoshi Nakada  <nobu@r...>
 
 	* bootstraptest/test_proc.rb: fixed wrong expected result.  pointed
Index: lib/date/format.rb
===================================================================
--- lib/date/format.rb	(revision 15000)
+++ lib/date/format.rb	(revision 15001)
@@ -1,5 +1,5 @@
 # format.rb: Written by Tadayoshi Funaba 1999-2008
-# $Id: format.rb,v 2.41 2008-01-06 08:42:17+09 tadf Exp $
+# $Id: format.rb,v 2.42 2008-01-12 10:54:29+09 tadf Exp $
 
 require 'rational'
 
@@ -297,9 +297,9 @@
 	t = $1.size
 	sign = if offset < 0 then -1 else +1 end
 	fr = offset.abs
-	hh, fr = fr.divmod(HOURS_IN_DAY)
-	mm, fr = fr.divmod(MINUTES_IN_DAY)
-	ss, fr = fr.divmod(SECONDS_IN_DAY)
+	ss = fr.div(SECONDS_IN_DAY) # 4p
+	hh, ss = ss.divmod(3600)
+	mm, ss = ss.divmod(60)
 	if t == 3
 	  if    ss.nonzero? then t =  2
 	  elsif mm.nonzero? then t =  1
Index: lib/date.rb
===================================================================
--- lib/date.rb	(revision 15000)
+++ lib/date.rb	(revision 15001)
@@ -6,7 +6,7 @@
 # Documentation: William Webber <william@w...>
 #
 #--
-# $Id: date.rb,v 2.35 2008-01-06 08:42:17+09 tadf Exp $
+# $Id: date.rb,v 2.36 2008-01-12 10:54:29+09 tadf Exp $
 #++
 #
 # == Overview
@@ -516,9 +516,9 @@
     # Convert a fractional day +fr+ to [hours, minutes, seconds,
     # fraction_of_a_second]
     def day_fraction_to_time(fr) # :nodoc:
-      h,   fr = fr.divmod(HOURS_IN_DAY)
-      min, fr = fr.divmod(MINUTES_IN_DAY)
-      s,   fr = fr.divmod(SECONDS_IN_DAY)
+      ss,  fr = fr.divmod(SECONDS_IN_DAY) # 4p
+      h,   ss = ss.divmod(3600)
+      min, s  = ss.divmod(60)
       return h, min, s, fr * 86400
     end
 
@@ -527,12 +527,16 @@
     begin
       Rational(Rational(1, 2), 2) # a challenge
 
-      def time_to_day_fraction(h, min, s) # :nodoc:
-	Rational(h, 24) + Rational(min, 1440) + Rational(s, 86400)
+      def time_to_day_fraction(h, min, s)
+	Rational(h * 3600 + min * 60 + s, 86400) # 4p
       end
     rescue
-      def time_to_day_fraction(h, min, s) # :nodoc:
-	h.to_r/24 + min.to_r/1440 + s.to_r/86400
+      def time_to_day_fraction(h, min, s)
+	if Integer === h && Integer === min && Integer === s
+	  Rational(h * 3600 + min * 60 + s, 86400) # 4p
+	else
+	  h.to_r/24 + min.to_r/1440 + s.to_r/86400
+	end
       end
     end
 
@@ -1469,7 +1473,7 @@
   # Return the date as a human-readable string.
   #
   # The format used is YYYY-MM-DD.
-  def to_s() strftime end
+  def to_s() format('%.4d-%02d-%02d', year, mon, mday) end # 4p
 
   # Dump to Marshal format.
   def marshal_dump() [@ajd, @of, @sg] end
@@ -1745,6 +1749,11 @@
   public :hour, :min, :sec, :sec_fraction, :zone, :offset, :new_offset,
 	 :minute, :second, :second_fraction
 
+  def to_s # 4p
+    format('%.4d-%02d-%02dT%02d:%02d:%02d%s',
+	   year, mon, mday, hour, min, sec, zone)
+  end
+
 end
 
 class Time

--
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