From 0388eed7e52fdbb832a5b4ef466420a128a43800 Mon Sep 17 00:00:00 2001
From: Lucas Galfaso <lgalfaso@gmail.com>
Date: Thu, 15 May 2014 14:20:47 -0300
Subject: [PATCH] fix(numberFilter): fix rounding error edge case

Fix a number rounding error.

Closes #7453
Closes #7478
---
 src/ng/filter/filters.js      | 4 ++--
 test/ng/filter/filtersSpec.js | 4 ++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/ng/filter/filters.js b/src/ng/filter/filters.js
index 6f9cc48b7..44543a868 100644
--- a/src/ng/filter/filters.js
+++ b/src/ng/filter/filters.js
@@ -145,8 +145,8 @@ function formatNumber(number, pattern, groupSep, decimalSep, fractionSize) {
       fractionSize = Math.min(Math.max(pattern.minFrac, fractionLen), pattern.maxFrac);
     }
 
-    var pow = Math.pow(10, fractionSize);
-    number = Math.round(number * pow) / pow;
+    var pow = Math.pow(10, fractionSize + 1);
+    number = Math.floor(number * pow + 5) / pow;
     var fraction = ('' + number).split(DECIMAL_SEP);
     var whole = fraction[0];
     fraction = fraction[1] || '';
diff --git a/test/ng/filter/filtersSpec.js b/test/ng/filter/filtersSpec.js
index 8e6ec1f12..b99f65e12 100644
--- a/test/ng/filter/filtersSpec.js
+++ b/test/ng/filter/filtersSpec.js
@@ -148,6 +148,10 @@ describe('filters', function() {
       expect(number(1234.567, 0)).toEqual("1,235");
       expect(number(1234.567, 1)).toEqual("1,234.6");
       expect(number(1234.567, 2)).toEqual("1,234.57");
+      expect(number(1.255,    0)).toEqual("1");
+      expect(number(1.255,    1)).toEqual("1.3");
+      expect(number(1.255,    2)).toEqual("1.26");
+      expect(number(1.255,    3)).toEqual("1.255");
     });
 
     it('should filter exponentially large numbers', function() {