internal_stack_vector_base.h

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// -*- mode: c++; tab-width: 4; indent-tabs-mode: t; c-file-style: "stroustrup"; -*-
// vi:set ts=4 sts=4 sw=4 noet :
// Copyright 2010, 2012, The TPIE development team
// 
// This file is part of TPIE.
// 
// TPIE 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 3 of the License, or (at your
// option) any later version.
// 
// TPIE 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 TPIE.  If not, see <http://www.gnu.org/licenses/>
#ifndef __TPIE_INTERNAL_STACK_VECTOR_BASE_H__
#define __TPIE_INTERNAL_STACK_VECTOR_BASE_H__

#include <tpie/array.h>
#include <tpie/util.h>

namespace tpie {

template <typename T, typename child_t>
class internal_stack_vector_base: public linear_memory_base<child_t> {
protected:
    array<T> m_elements;

    size_t m_size;
public:
    typedef T value_type;

    static double memory_coefficient() {return array<T>::memory_coefficient();}

    static double memory_overhead() {
        return array<T>::memory_overhead() - sizeof(array<T>) + sizeof(child_t);
    }

    internal_stack_vector_base(size_t size=0, tpie::memory_bucket_ref b=memory_bucket_ref()):
        m_elements(size, b), m_size(0) {}

    void resize(size_t size=0) {m_elements.resize(size); m_size=0;}

    inline bool empty() const {return m_size==0;}

    inline size_t size() const {return m_size;}

    inline void clear(){m_size=0;}
};

}
#endif //__TPIE_INTERNAL_STACK_VECTOR_BASE_H__