From bf5eb21f1170bf4eee00172cc76f036c82588b0f Mon Sep 17 00:00:00 2001
From: Lorenzo Moneta <Lorenzo.Moneta@cern.ch>
Date: Wed, 10 Oct 2007 21:06:06 +0000
Subject: [PATCH] fix bug #30166, thanks to Chul Su Park
git-svn-id: http://root.cern.ch/svn/root/trunk@20301 27541ba8-7e3a-0410-8455-c3a389f83636
---
hist/src/TF1Helper.cxx | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/hist/src/TF1Helper.cxx b/hist/src/TF1Helper.cxx
index 4dc97006cae..ee04d25510f 100644
--- a/hist/src/TF1Helper.cxx
+++ b/hist/src/TF1Helper.cxx
@@ -17,6 +17,8 @@
#include <cmath>
#include <cassert>
+#include <iostream>
+
namespace ROOT {
@@ -83,8 +85,10 @@ double IntegralError(TF1 * func, double a, double b, double epsilon) {
double err2 = 0;
for (int i = 0; i < nfreepar; ++i) {
double s = 0;
- for (int j =0; j < nfreepar; ++j)
- s += ig[j] * covMatrix[i*nfreepar + j] ;
+ for (int j =0; j < nfreepar; ++j) {
+ std::cout << i << " " << j << " ig " << ig[i] << " " << ig[j] << " " << covMatrix[i*npar + j] << " " << s << std::endl;
+ s += ig[j] * covMatrix[i*npar + j] ;
+ }
err2 += ig[i] * s;
}
--
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