From 2877e5c216ce40c6ecb75a662fb88b73b698f60e Mon Sep 17 00:00:00 2001
From: Xavier Noria <fxn@hashref.com>
Date: Tue, 19 Jan 2010 22:45:41 +0100
Subject: AS guide: documents Float#round

---
 railties/guides/source/active_support_core_extensions.textile | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'railties/guides/source/active_support_core_extensions.textile')

diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile
index 2a548ac5c2..5dae4ee76d 100644
--- a/railties/guides/source/active_support_core_extensions.textile
+++ b/railties/guides/source/active_support_core_extensions.textile
@@ -937,7 +937,15 @@ NOTE: Defined in +active_support/core_ext/integer/inflections.rb+.
 
 h3. Extensions to +Float+
 
-...
+h4. +round+
+
+The builtin method +Float#round+ rounds a float to the nearest integer. Active Support adds an optional parameter to let you specify a precision:
+
+<ruby>
+Math::E.round(4) # => 2.7183
+</ruby>
+
+NOTE: Defined in +active_support/core_ext/float/rounding.rb+.
 
 h3. Extensions to +BigDecimal+
 
-- 
cgit v1.2.3

