RangoIndice.h

// -*-c++-*-
//----------------------------------------------------------------------------
//  xc utils library; general purpose classes and functions.
//
//  Copyright (C)  Luis C. Pérez Tato
//
//  XC utils 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 software 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/>.
//----------------------------------------------------------------------------
//RangoIndice.h

#ifndef RANGOINDICE_H
#define RANGOINDICE_H

#include <ostream>
#include <vector>

class RangoIndice
  {
    size_t mn; 
    size_t mx; 
    static const char sep; 
  public:
    RangoIndice(const size_t &imin= 1,const size_t &imax= 1)
      :mn(std::min(imin,imax)),mx(std::max(imin,imax)) {}
    explicit RangoIndice(const std::vector<size_t> &);
    void SetInfSup(const size_t &imin,const size_t &imax);
    const size_t &Inf(void) const
      { return mn; }
    size_t &Inf(void)
      { return mn; }
    const size_t &Sup(void) const
      { return mx; }
    size_t &Sup(void)
      { return mx; }
    size_t Size(void) const
      { return std::max(mx-mn+1,size_t(0)); }
    size_t Offset(void) const
      { return mn-1; }
    bool Vacio(void) const
      { return (mx<mn); }
    inline static const char &Separador(void)
      { return sep; }
    void Clip(const size_t &imax);
    void Intersec(const RangoIndice &otro);
    RangoIndice Intersec(const RangoIndice &otro) const;
    void Print(std::ostream &os) const;
  };

RangoIndice clip(const RangoIndice &,const size_t &);
RangoIndice intersec(const RangoIndice &,const RangoIndice &);

std::ostream &operator<<(std::ostream &os,const RangoIndice &rango);

#endif