From 2eb70aa975bfc2655cf56faf216c8fa9995b23f5 Mon Sep 17 00:00:00 2001
From: Antonin Portelli <antonin.portelli@me.com>
Date: Wed, 16 Mar 2016 13:07:01 +0000
Subject: [PATCH] Minuit simplex minimiser is very inefficient, replaced it by
 Migrad for pre-minization

---
 lib/MinuitMinimizer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/MinuitMinimizer.cpp b/lib/MinuitMinimizer.cpp
index 5964095..4d8bab6 100644
--- a/lib/MinuitMinimizer.cpp
+++ b/lib/MinuitMinimizer.cpp
@@ -134,7 +134,7 @@ const DVec & MinuitMinimizer::operator()(const DoubleFunction &f)
     }
     
     // pre-minimization
-    MnSimplex       preMinimizer(minuitF, parameters, 1);
+    MnMigrad        preMinimizer(minuitF, parameters, 1);
     FunctionMinimum preMin = preMinimizer();
     
     if (verbosity >= Verbosity::Debug)