From 5102dc330e1f65f752e72794d1355f710e43c160 Mon Sep 17 00:00:00 2001
From: Carlo Camilloni <carlo.camilloni@gmail.com>
Date: Wed, 28 May 2014 18:50:17 +0100
Subject: [PATCH] KERNEL: if a kernel is invalid give an error!

---
 src/tools/KernelFunctions.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/tools/KernelFunctions.cpp b/src/tools/KernelFunctions.cpp
index 2046a4374..3ca72d6c7 100644
--- a/src/tools/KernelFunctions.cpp
+++ b/src/tools/KernelFunctions.cpp
@@ -100,7 +100,10 @@ width(sig)
       ktype=uniform;
   } else if(type=="TRIANGULAR" || type=="triangular"){
       ktype=triangular;
+  } else {
+      plumed_merror(type+" is an invalid kernel type\n");
   }
+  
 
   if( norm ){
     double det;
-- 
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