From 0cecdd353161531621bd79da18ec3758a689a442 Mon Sep 17 00:00:00 2001
From: Rene Brun <Rene.Brun@cern.ch>
Date: Wed, 9 May 2007 10:06:17 +0000
Subject: [PATCH] From Christophe Delaere: "Moved the declaration of 3 matrices
to the BFGS-specific part of the code to avoid unneeded instantiations when
using other training methods."
git-svn-id: http://root.cern.ch/svn/root/trunk@18705 27541ba8-7e3a-0410-8455-c3a389f83636
---
mlp/src/TMultiLayerPerceptron.cxx | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/mlp/src/TMultiLayerPerceptron.cxx b/mlp/src/TMultiLayerPerceptron.cxx
index bf6a4ffffdd..a072c28c5bb 100644
--- a/mlp/src/TMultiLayerPerceptron.cxx
+++ b/mlp/src/TMultiLayerPerceptron.cxx
@@ -1,4 +1,4 @@
-// @(#)root/mlp:$Name: $:$Id: TMultiLayerPerceptron.cxx,v 1.40 2007/01/02 14:05:48 brun Exp $
+// @(#)root/mlp:$Name: $:$Id: TMultiLayerPerceptron.cxx,v 1.41 2007/01/29 16:14:25 brun Exp $
// Author: Christophe.Delaere@cern.ch 20/07/03
/*************************************************************************
@@ -791,9 +791,6 @@ void TMultiLayerPerceptron::Train(Int_t nEpoch, Option_t * option)
Double_t *dir = new Double_t[els];
for (i = 0; i < els; i++)
buffer[i] = 0;
- TMatrixD bfgsh(els, els);
- TMatrixD gamma(els, 1);
- TMatrixD delta(els, 1);
// Epoch loop. Here is the training itself.
for (Int_t iepoch = 0; iepoch < nEpoch; iepoch++) {
switch (fLearningMethod) {
@@ -878,6 +875,9 @@ void TMultiLayerPerceptron::Train(Int_t nEpoch, Option_t * option)
}
case TMultiLayerPerceptron::kBFGS:
{
+ TMatrixD bfgsh(els, els);
+ TMatrixD gamma(els, 1);
+ TMatrixD delta(els, 1);
SetGammaDelta(gamma, delta, buffer);
if (!(iepoch % fReset)) {
SteepestDir(dir);
--
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