// @(#)root/mathmore:$Name: $:$Id: WrappedFunction.h,v 1.3 2006/06/08 16:36:17 moneta Exp $ // Authors: L. Moneta, A. Zsenei 08/2005 /********************************************************************** * * * Copyright (c) 2004 ROOT Foundation, CERN/PH-SFT * * * * This library is free software; you can redistribute it and/or * * modify it under the terms of the GNU General Public License * * as published by the Free Software Foundation; either version 2 * * of the License, or (at your option) any later version. * * * * This library is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * * General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this library (see file COPYING); if not, write * * to the Free Software Foundation, Inc., 59 Temple Place, Suite * * 330, Boston, MA 02111-1307 USA, or contact the author. * * * **********************************************************************/ #ifndef ROOT_Math_WrappedFunction #define ROOT_Math_WrappedFunction #include "IGenFunction.h" #include <iostream> namespace ROOT { namespace Math { /** Template class to wrap any C++ callable object which takes one argument i.e. implementing operator() (double x). It provides a ROOT::Math::IGenFunction-like signature */ template< class CALLABLE > class WrappedFunction : public IGenFunction { public: explicit WrappedFunction( CALLABLE f ) : fFunc( f ) { /**/ } virtual WrappedFunction * Clone() const { //return new WrappedFunction( *this ); return new WrappedFunction<CALLABLE>(fFunc); } virtual double operator() (double x) { return fFunc( x ); } virtual ~WrappedFunction() { /**/ } private: CALLABLE fFunc; }; // WrappedFunction } // namespace Math } // namespace ROOT #endif // ROOT_Math_WrappedFunction