From 954b0e02b01897914846f18f850dd844608f34ff Mon Sep 17 00:00:00 2001
From: Rene Brun <Rene.Brun@cern.ch>
Date: Mon, 12 Jan 2004 14:45:33 +0000
Subject: [PATCH] From Philippe:
fix the backward compatibility for TFormula.
We still might want to remove fOper fNoldOper, but at least
now old TFormula can be read.
git-svn-id: http://root.cern.ch/svn/root/trunk@7887 27541ba8-7e3a-0410-8455-c3a389f83636
---
hist/src/TFormula.cxx | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/hist/src/TFormula.cxx b/hist/src/TFormula.cxx
index 2668dc3982e..51cb756f872 100644
--- a/hist/src/TFormula.cxx
+++ b/hist/src/TFormula.cxx
@@ -1,4 +1,4 @@
-// @(#)root/hist:$Name: $:$Id: TFormula.cxx,v 1.63 2004/01/06 07:44:35 brun Exp $
+// @(#)root/hist:$Name: $:$Id: TFormula.cxx,v 1.65 2004/01/10 10:52:29 brun Exp $
// Author: Nicolas Brun 19/08/95
/*************************************************************************
@@ -2807,6 +2807,11 @@ void TFormula::Convert(UInt_t /* fromVersion */, Int_t *oldOper)
// Convert the fOper of a TFormula version fromVersion to the current in memory version
Assert(oldOper==fOper); // the argument is only for derived class and has to match fOper
+
+ if (fActions==0) {
+ fActions = new Short_t[fNoper];
+ fActionParams = new Short_t[fNoper];
+ }
enum {
kOldexpo = 1000,
--
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