o RooVectorDataStore

     - In itialize all pointers to zero in RealVector ctor


git-svn-id: http://root.cern.ch/svn/root/trunk@41885 27541ba8-7e3a-0410-8455-c3a389f83636

roofit/roofitcore/inc/RooVectorDataStore.h

@@ -129,12 +129,12 @@ public:
   class RealVector {
   public:
     RealVector(UInt_t initialCapacity=100) : 
-      _nativeReal(0), _buf(0), _nativeBuf(0), _vec0(0), _tracker(0) { 
+      _nativeReal(0), _real(0), _buf(0), _nativeBuf(0), _vec0(0), _tracker(0) { 
       _vec.reserve(initialCapacity) ; 
     }
 
     RealVector(RooAbsReal* arg, UInt_t initialCapacity=100) : 
-      _nativeReal(arg), _buf(0), _nativeBuf(0), _vec0(0), _tracker(0) { 
+      _nativeReal(arg), _real(0), _buf(0), _nativeBuf(0), _vec0(0), _tracker(0) { 
       _vec.reserve(initialCapacity) ; 
     }
 
@@ -143,7 +143,7 @@ public:
     }
 
     RealVector(const RealVector& other, RooAbsReal* real=0) : 
-      _vec(other._vec), _nativeReal(real?real:other._nativeReal), _buf(other._buf), _nativeBuf(other._nativeBuf)   {
+      _vec(other._vec), _nativeReal(real?real:other._nativeReal), _real(real?real:other._real), _buf(other._buf), _nativeBuf(other._nativeBuf)   {
       _vec0 = _vec.size()>0 ? &_vec.front() : 0 ;
       if (other._tracker) {
 	_tracker = new RooChangeTracker(Form("track_%s",_nativeReal->GetName()),"tracker",other._tracker->parameters()) ;
@@ -155,6 +155,7 @@ public:
     RealVector& operator=(const RealVector& other) {
       if (&other==this) return *this ;
       _nativeReal = other._nativeReal ;
+      _real = other._real ;
       _buf = other._buf ;
       _nativeBuf = other._nativeBuf ;
       _vec = other._vec ;