From 34912bc933d2787b0e3143b4dbd84e70bcc67928 Mon Sep 17 00:00:00 2001
From: "Richard D. Worth" <rdworth@gmail.com>
Date: Tue, 11 May 2010 08:17:18 -0400
Subject: [PATCH] Slider: fixed step alignment to handle negative fractional
 values. Fixed #5583 - Slider displays negative fractional values incorrectly.
 Thanks for the patch watanabe.

---
 ui/jquery.ui.slider.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/ui/jquery.ui.slider.js b/ui/jquery.ui.slider.js
index 895b536c2..210ca769a 100644
--- a/ui/jquery.ui.slider.js
+++ b/ui/jquery.ui.slider.js
@@ -591,12 +591,12 @@ $.widget( "ui.slider", $.ui.mouse, {
 		if ( val > this._valueMax() ) {
 			return this._valueMax();
 		}
-		var step = this.options.step,
+		var step = ( this.options.step > 0 ) ? this.options.step : 1,
 			valModStep = val % step,
 			alignValue = val - valModStep;
 
-		if ( valModStep >= ( step / 2 ) ) {
-			alignValue += step;
+		if ( Math.abs(valModStep) * 2 >= step ) {
+			alignValue += ( valModStep > 0 ) ? step : ( -step );
 		}
 
 		// Since JavaScript has problems with large floats, round
-- 
2.39.5