Quelle action_lu_decomp.hh Sprache: C

//=====================================================
// File   :  action_lu_decomp.hh
// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
//=====================================================
//
// 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 2
// 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, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
#ifndef ACTION_LU_DECOMP
#define ACTION_LU_DECOMP
#include "utilities.h"
#include "STL_interface.hh"
#include <string>
#include "init/init_function.hh"
#include "init/init_vector.hh"
#include "init/init_matrix.hh"

using namespace std;

template<class Interface>
class Action_lu_decomp {

public :

  // Ctor

  Action_lu_decomp( int size ):_size(size)
  {
    MESSAGE("Action_lu_decomp Ctor");

    // STL vector initialization
    init_matrix<pseudo_random>(X_stl,_size);

    init_matrix<null_function>(C_stl,_size);
    init_matrix<null_function>(resu_stl,_size);

    // generic matrix and vector initialization
    Interface::matrix_from_stl(X_ref,X_stl);
    Interface::matrix_from_stl(X,X_stl);
    Interface::matrix_from_stl(C,C_stl);

    _cost = 2.0*size*size*size/3.0 + size*size;
  }

  // invalidate copy ctor

  Action_lu_decomp( const  Action_lu_decomp & )
  {
    INFOS("illegal call to Action_lu_decomp Copy Ctor");
    exit(1);
  }

  // Dtor

  ~Action_lu_decomp( void ){

    MESSAGE("Action_lu_decomp Dtor");

    // deallocation
    Interface::free_matrix(X_ref,_size);
    Interface::free_matrix(X,_size);
    Interface::free_matrix(C,_size);
  }

  // action name

  static inline std::string name( void )
  {
    return "complete_lu_decomp_"+Interface::name();
  }

  double nb_op_base( void ){
    return _cost;
  }

  inline void initialize( void ){
    Interface::copy_matrix(X_ref,X,_size);
  }

  inline void calculate( void ) {
      Interface::lu_decomp(X,C,_size);
  }

  void check_result( void ){
    // calculation check
    Interface::matrix_to_stl(C,resu_stl);

//     STL_interface<typename Interface::real_type>::lu_decomp(X_stl,C_stl,_size);
//
//     typename Interface::real_type error=
//       STL_interface<typename Interface::real_type>::norm_diff(C_stl,resu_stl);
//
//     if (error>1.e-6){
//       INFOS("WRONG CALCULATION...residual=" << error);
//       exit(0);
//     }

  }

private :

  typename Interface::stl_matrix X_stl;
  typename Interface::stl_matrix C_stl;
  typename Interface::stl_matrix resu_stl;

  typename Interface::gene_matrix X_ref;
  typename Interface::gene_matrix X;
  typename Interface::gene_matrix C;

  int _size;
  double _cost;
};

#endif

quality100%

¤ Dauer der Verarbeitung: 0.4 Sekunden ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.