From e48f931368d604d8d4a36dc0ef41262d9eebbd79 Mon Sep 17 00:00:00 2001
From: Cyrille Henry <nusmuk@users.sourceforge.net>
Date: Thu, 24 Feb 2011 21:51:46 +0000
Subject: correct a small bug with 1d non linear link

svn path=/trunk/externals/pmpd/; revision=14961
---
 pmpd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pmpd.c b/pmpd.c
index c73087d..7d802e1 100644
--- a/pmpd.c
+++ b/pmpd.c
@@ -192,7 +192,7 @@ void pmpd_bang(t_pmpd *x)
 			else
 			{			
 				F  = x->link[i].D * (L - x->link[i].distance) ;
-				F += x->link[i].K *  pow_ch( L - x->link[i].L, x->link[i].Pow);
+				F += x->link[i].K *  sign_ch(L) * pow_ch( absL - x->link[i].L, x->link[i].Pow);
 			}
 			
 			x->link[i].mass1->forceX -= F;
-- 
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