From 06c5d7bdd0603dca2db39b1eaa180516a4d12654 Mon Sep 17 00:00:00 2001
From: Carsten Kutzner <ckutzne@gwdg.de>
Date: Thu, 2 Aug 2012 11:52:41 +0200
Subject: [PATCH] Fixed segv in essential dynamics module

Change-Id: Ia5657a535e7e31d55bf2b310a20dfee2a5e3b7f4
---
 src/mdlib/edsam.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/mdlib/edsam.c b/src/mdlib/edsam.c
index f4e770aca4..9b62a379eb 100644
--- a/src/mdlib/edsam.c
+++ b/src/mdlib/edsam.c
@@ -2120,13 +2120,16 @@ static int ed_constraints(gmx_bool edtype, t_edpar *edi)
  * umbrella sampling simulations. */
 static void copyEvecReference(t_eigvec* floodvecs)
 {
-	int i;
+    int i;
+
 
+    if (NULL==floodvecs->refproj0)
+        snew(floodvecs->refproj0, floodvecs->neig);
 
-	for (i=0; i<floodvecs->neig; i++)
-	{
-		floodvecs->refproj0[i] = floodvecs->refproj[i];
-	}
+    for (i=0; i<floodvecs->neig; i++)
+    {
+        floodvecs->refproj0[i] = floodvecs->refproj[i];
+    }
 }
 
 
-- 
2.22.0