akr	2010-02-11 22:30:55 +0900 (Thu, 11 Feb 2010)

  New Revision: 26646

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=26646

  Log:
    update rdoc.

  Modified files:
    trunk/numeric.c

Index: numeric.c
===================================================================
--- numeric.c	(revision 26645)
+++ numeric.c	(revision 26646)
@@ -1372,8 +1372,26 @@
  *  Precision may be negative.  Returns a floating point number when ndigits
  *  is more than one.
  *
+ *     1.4.round      #=> 1
  *     1.5.round      #=> 2
+ *     1.6.round      #=> 2
  *     (-1.5).round   #=> -2
+ *
+ *     1.234567.round(2)  #=> 1.23
+ *     1.234567.round(3)  #=> 1.235
+ *     1.234567.round(4)  #=> 1.2346
+ *     1.234567.round(5)  #=> 1.23457
+ *
+ *     34567.89.round(-5) #=> 0
+ *     34567.89.round(-4) #=> 30000
+ *     34567.89.round(-3) #=> 35000
+ *     34567.89.round(-2) #=> 34600
+ *     34567.89.round(-1) #=> 34570
+ *     34567.89.round(0)  #=> 34568
+ *     34567.89.round(1)  #=> 34567.9
+ *     34567.89.round(2)  #=> 34567.89
+ *     34567.89.round(3)  #=> 34567.89
+ *
  */
 
 static VALUE

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