From 033abfd8bedf9d6f235a11703fc215bc65f1aeec Mon Sep 17 00:00:00 2001
From: Luke Page <luke.a.page@gmail.com>
Date: Tue, 11 Dec 2012 20:47:17 +0000
Subject: [PATCH] do not divide by 100 when doing maths and keeping the %.
 Fixes #1069

---
 lib/less/functions.js    | 16 +++++-----------
 test/css/functions.css   |  3 +++
 test/less/functions.less |  3 +++
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/lib/less/functions.js b/lib/less/functions.js
index 61b3ce4b..975393b5 100644
--- a/lib/less/functions.js
+++ b/lib/less/functions.js
@@ -214,25 +214,19 @@ tree.functions = {
     },
     round: function (n, f) {
         var fraction = typeof(f) === "undefined" ? 0 : f.value;
-        if (n instanceof tree.Dimension) {
-            return new(tree.Dimension)(number(n).toFixed(fraction), n.unit);
-        } else if (typeof(n) === 'number') {
-            return n.toFixed(fraction);
-        } else {
-            throw { type: "Argument", message: "argument must be a number" };
-        }
+        return this._math(function(num) { return num.toFixed(fraction); }, n);
     },
     ceil: function (n) {
-        return this._math('ceil', n);
+        return this._math(Math.ceil, n);
     },
     floor: function (n) {
-        return this._math('floor', n);
+        return this._math(Math.floor, n);
     },
     _math: function (fn, n) {
         if (n instanceof tree.Dimension) {
-            return new(tree.Dimension)(Math[fn](number(n)), n.unit);
+            return new(tree.Dimension)(fn(parseFloat(n.value)), n.unit);
         } else if (typeof(n) === 'number') {
-            return Math[fn](n);
+            return fn(n);
         } else {
             throw { type: "Argument", message: "argument must be a number" };
         }
diff --git a/test/css/functions.css b/test/css/functions.css
index 0b80cfe7..21fbb9c3 100644
--- a/test/css/functions.css
+++ b/test/css/functions.css
@@ -54,6 +54,9 @@
   rounded-two: 10.67;
   roundedpx: 3px;
   roundedpx-three: 3.333px;
+  rounded-percentage: 10%;
+  ceil: 11px;
+  floor: 12px;
   percentage: 20%;
   color: #ff0011;
   tint: #898989;
diff --git a/test/less/functions.less b/test/less/functions.less
index 41244fbf..4ea1fc97 100644
--- a/test/less/functions.less
+++ b/test/less/functions.less
@@ -60,6 +60,9 @@
   rounded-two: round(@r/3, 2);
   roundedpx: round(10px / 3);
   roundedpx-three: round(10px / 3, 3);
+  rounded-percentage: round(10.2%);
+  ceil: ceil(10.1px);
+  floor: floor(12.9px);
   percentage: percentage(10px / 50);
   color: color("#ff0011");
   tint: tint(#777777, 13);