+AliHBTFunction2D::AliHBTFunction2D(const AliHBTFunction2D & source):
+ AliHBTFunction(source)
+{
+// Copy constructor needed by the coding conventions byt not used
+ Fatal("AliHBTFunction2D(const AliHBTFunction2D&)","Cpy ctor not usable.");
+}
+/******************************************************************/
+
+AliHBTFunction2D& AliHBTFunction2D::operator= (const AliHBTFunction2D& /*source*/) {
+// Assignment needed by the coding conventions byt not used
+ Fatal("Assignment operator","not implemented");
+ return * this;
+}
+/******************************************************************/