/*
 * Normaliz
 * Copyright (C) 2007-2014  Winfried Bruns, Bogdan Ichim, Christof Soeger
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * As an exception, when this program is distributed through (i) the App Store
 * by Apple Inc.; (ii) the Mac App Store by Apple Inc.; or (iii) Google Play
 * by Google Inc., then that store may impose any digital rights management,
 * device limits and/or redistribution restrictions that are required by its
 * terms of service.
 */

//---------------------------------------------------------------------------

#ifndef CONVERT_H
#define CONVERT_H

//---------------------------------------------------------------------------

//#include <ostream>
#include <libnormaliz/normaliz_exception.h>
#include <libnormaliz/integer.h>

namespace libnormaliz {

// conversion for integers, throws ArithmeticException if conversion fails
template<typename ToType, typename FromType>
void convert(ToType& ret, const FromType& val) {
    if (!try_convert(ret,val)) {
        errorOutput() << "Cannot convert " << val << endl;
        throw ArithmeticException();
    }
}

// conversion of vectors
template<typename ToType, typename FromType>
void convert(vector<ToType>& ret_vect, const vector<FromType>& from_vect){
    size_t s = from_vect.size();
    ret_vect.resize(s);
    for (size_t i=0; i<s; ++i)
        convert(ret_vect[i], from_vect[i]);
}

// general conversion with return, throws ArithmeticException if conversion fails
template<typename ToType, typename FromType>
ToType convertTo(const FromType& val) {
    ToType copy;
    convert(copy,val);
    return copy;
}

}  //end namespace

//---------------------------------------------------------------------------
#endif
//---------------------------------------------------------------------------
