base_tensor.cpp

/*
    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/>.
*/
 
#include "headcpp.hpp"
#include "base_tensor.hpp"
 
namespace Kadath {
// Constructors
 
ostream& operator<< (ostream& flux , const Base_tensor& so) {
  flux << "Tensorial basis" << endl ;
  for (int d=0 ; d<so.space.get_nbr_domains() ; d++) {
    flux << "Domain " << d << " : " ;
    switch (so.get_basis(d)) {
      case -1 :
    flux << "Undefined" << endl ;
    break ;
      case CARTESIAN_BASIS :
      flux << "Cartesian" << endl ;
      break ;
      case SPHERICAL_BASIS :
      flux << "Spherical" << endl ;
      break ; 
    case MTZ_BASIS :
      flux << "MTZ" << endl ;
      break ;
      default:
      cerr << "Unknown tensorial basis" << endl ;
      abort() ;
    }
  }
  return flux ;
}
 
bool operator== (const Base_tensor& b1, const Base_tensor& b2) {
  assert(&b1.space==&b2.space) ;
  int res = true ;
  for (int i=0 ; i<b1.space.get_nbr_domains() ; i++)
    if (b1.get_basis(i) != b2.get_basis(i))
      res = false ;
  return res ;
}
 
}