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/*
* Definition of class Grid_Chebyshev_Gauss
*/
/*
* Copyright (c) 2005 Eric Gourgoulhon
*
* This file is part of LORENE.
*
* LORENE 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 2 of the License, or
* (at your option) any later version.
*
* LORENE 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 LORENE; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*
* $Id: grid_chebyshev_gauss.C,v 1.2 2014/10/06 15:09:48 j_novak Exp $
* $Log: grid_chebyshev_gauss.C,v $
* Revision 1.2 2014/10/06 15:09:48 j_novak
* Modified #include directives to use c++ syntax.
*
* Revision 1.1 2005/11/14 01:56:58 e_gourgoulhon
* First version
*
*
* $Header: /cvsroot/Lorene/School05/Monday/grid_chebyshev_gauss.C,v 1.2 2014/10/06 15:09:48 j_novak Exp $
*
*/
#include <iostream>
using namespace std ;
#include <cstdlib>
#include <cmath>
#include "grid.h"
//----------------------//
// Standard constructor //
//----------------------//
Grid_Chebyshev_Gauss::Grid_Chebyshev_Gauss(int nb_nodes) : Grid(nb_nodes) {
double h = M_PI / double(2*(nn+1)) ;
for (int i=0; i<=nn; i++) xx[i] = - cos( h * (2*i+1) ) ;
}
//--------------------//
// Copy constructor //
//--------------------//
Grid_Chebyshev_Gauss::Grid_Chebyshev_Gauss(const Grid_Chebyshev_Gauss& gi) : Grid(gi) {}
//--------------//
// Destructor //
//--------------//
Grid_Chebyshev_Gauss::~Grid_Chebyshev_Gauss() {}
//--------------//
// Assignment //
//--------------//
void Grid_Chebyshev_Gauss::operator=(const Grid_Chebyshev_Gauss& gi) {
Grid::operator=(gi) ;
}
//-----------//
// Display //
//-----------//
ostream& operator<<(ostream& ost, const Grid_Chebyshev_Gauss& xn) {
ost << "Chebyshev Gauss nodes : " ;
int nn = xn.n() ;
ost << "number of nodes : " << nn + 1 << endl ;
for (int i=0; i<=nn; i++) {
ost << " x(" << i << ") = " << xn(i) << endl ;
}
return ost ;
}
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