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update rdoc.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26646 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2010-02-11 13:30:55 +00:00
parent c09bcd351a
commit 1ad8521d44
1 changed files with 18 additions and 0 deletions
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18
numeric.c
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@ -1372,8 +1372,26 @@ flo_ceil(VALUE num)
* 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