From 225597cb358ece6acafc70cc6cf495ec08e656ee Mon Sep 17 00:00:00 2001
From: Thomas Fuchs <thomas@fesch.at>
Date: Wed, 6 Jun 2007 12:08:15 +0000
Subject: [PATCH] Prototype: Add Number.prototype.round as an alias to
 Math.round().  [Thomas Fuchs]

---
 CHANGELOG           | 2 ++
 src/base.js         | 4 ++++
 test/unit/base.html | 7 +++++++
 3 files changed, 13 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG
index e09c8fc..d4be416 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Add Number.prototype.round as an alias to Math.round().  [Thomas Fuchs]
+
 * Test library fixes: make rake dist work on Windows, only teardown if a browser is supported.  Closes #8463, #8498.  [Mislav Marohnić, grant]
 
 * Change Element.insert syntax to allow multiple positions.  [Thomas Fuchs]
diff --git a/src/base.js b/src/base.js
index 2156fd7..ddef1c5 100644
--- a/src/base.js
+++ b/src/base.js
@@ -114,6 +114,10 @@ Object.extend(Function.prototype, {
 Function.prototype.defer = Function.prototype.delay.curry(0.01);
 
 Object.extend(Number.prototype, {
+  round: function() {
+    return Math.round(this);
+  },
+  
   toColorPart: function() {
     return this.toPaddedString(2, 16);
   },
diff --git a/test/unit/base.html b/test/unit/base.html
index 5741a85..c464b27 100644
--- a/test/unit/base.html
+++ b/test/unit/base.html
@@ -218,6 +218,13 @@
       }
     },
     
+    testNumberRound: function() {with(this) {
+      assertEqual(1, (0.9).round());
+      assertEqual(-2, (-1.9).round());
+      
+      assertEqual(Math.round(Math.PI), Math.PI.round());
+    }},
+    
     testNumberToColorPart: function() {with(this) {
       assertEqual('00', (0).toColorPart());
       assertEqual('0a', (10).toColorPart());