ExpTree.h

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/*
 * Expression Template Matrix Library
 *
 * Copyright (C) 2004 - 2006 Ricky Lung <mtlung@users.sourceforge.net>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */


#ifdef _MSC_VER
#   pragma once
#   pragma warning( push )
#   pragma warning( disable : 4100 4786 )
#endif  // _MSC_VER

#ifndef _EXMAT_EXPTREE_H
#define _EXMAT_EXPTREE_H

#include "Tags.h"
#include "Metaprogramming.h"
#include "loki/Typelist.h"

namespace exmat {


    template<class Exp_>
    struct LeafeNode {
        typedef Exp_ Exp;
        typedef NullTag left_child;
        typedef NullTag right_child;
        typedef Exp node_exp;
        typedef ::Loki::NullType tmp_list;
        typedef NullTag exp_tag;
        enum {
            TmpIndex = -1
        };

        template<class Any>
        static void print(Any) {}
        template<class Any1, class Any2> EXMAT_INLINE2
        static bool IsAliased(Any1& l, const Any2& exp, const bool IsNodePathLinear) {
            return (!IsNodePathLinear && (&l == (void*)&exp) );
        }
        template<class TInst, class TargetCon, class TarConIndex> EXMAT_INLINE2
        static const Exp& getNodeObj(const Exp& exp, TInst& tmpInst,
            TargetCon& tCon, Int2Type<1+2*0>, TarConIndex)
        {
            return exp;
        }
    };


    struct ViewNode {
        template<class Any1, class Any2> EXMAT_INLINE2
        static bool IsAliased(Any1& l, const Any2& exp, const bool IsNodePathLinear) {
            return false;
        }
    };
}   // namespace exmat

#if _MSC_VER
#   pragma warning( pop )
#endif  // EXMAT_VC

#endif  // _EXMAT_EXPTREE_H

---