dim_array.hpp

/*
    Copyright 2017 Philippe Grandclement
 
    This file is part of Kadath.
 
    Kadath 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.
 
    Kadath 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 Kadath.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef __DIM_ARRAY_HPP_
#define __DIM_ARRAY_HPP_
 
#include "headcpp.hpp"
 
namespace Kadath {
class Dim_array  : public Memory_mapped_array<int> {
    public: 
        using Data_type = Memory_mapped_array<int>;
        using size_type = int;
        explicit Dim_array (int dim) : Data_type{dim} {}
        Dim_array (const Dim_array &so): Data_type{so} {}
        Dim_array (FILE*) ; 
 
        int& set(int i) {assert(i>=0); assert(i<size); return data[i];}
        int operator() (int i) const {assert(i>=0); assert(i<size); return data[i];}
        int get_ndim() const {return size ;} ;
        void operator= (const Dim_array& so) {assert (size==so.size);for (int i=0 ;i<size;i++) data[i] = so.data[i];}
 
        void swap(Dim_array & so) {}
        void save (FILE*) const ; 
 
        Dim_array(Dim_array &&so) : Memory_mapped_array<int>{std::forward<Dim_array&&>(so)} {}
        Dim_array & operator=(Dim_array && so) {Memory_mapped_array<int>::operator=(std::forward<Dim_array&&>(so)); return *this;}
} ;
 
ostream& operator<< (ostream&, const Dim_array&) ;
inline bool operator== (const Dim_array& a, const Dim_array& b) {
    bool res = (a.get_ndim()==b.get_ndim()) ? true : false ;
    if (res)
        for (int i=0 ; i<a.get_ndim() && res ; i++)
            res = (a(i) == b(i));
    return res ;
}
// Anti-comparison operator
inline  bool operator!= (const Dim_array& a, const Dim_array& b) {return !(a==b) ;}
}
#endif