From 0a1e99fea2e3d92e073231707361932b5af9cd81 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Thu, 21 Jun 2018 10:54:03 +0000
Subject: [PATCH] A fix in bondflip energy calculation

---
 src/bondflip.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/bondflip.c b/src/bondflip.c
index d48413f..e2e38ff 100644
--- a/src/bondflip.c
+++ b/src/bondflip.c
@@ -199,7 +199,7 @@
 		delta_energy+=lm->energy+lp->energy;
 	*/
 		temp_area=temp_area+lm->area+lp->area;
-		delta_energy+=stretchenergy2(temp_area,vesicle->tlist->a0*vesicle->tlist->n)-stretchenergy2(vesicle->area,vesicle->tlist->a0*vesicle->tlist->n);
+		delta_energy+=0.5*vesicle->tape->xkA0*(stretchenergy2(temp_area,vesicle->tlist->a0*vesicle->tlist->n)-stretchenergy2(vesicle->area,vesicle->tlist->a0*vesicle->tlist->n));
 	}
 
     delta_energy-=oldenergy;

--
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