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# efc.h

    00001 //
    00002 // efc.h
    00003 //
    00004 // Copyright (C) 1996 Limit Point Systems, Inc.
    00005 //
    00006 // Author: Edward Seidl <seidl@janed.com>
    00007 // Maintainer: LPS
    00008 //
    00009 // This file is part of the SC Toolkit.
    00010 //
    00011 // The SC Toolkit is free software; you can redistribute it and/or modify
    00012 // it under the terms of the GNU Library General Public License as published by
    00013 // the Free Software Foundation; either version 2, or (at your option)
    00014 // any later version.
    00015 //
    00016 // The SC Toolkit is distributed in the hope that it will be useful,
    00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00019 // GNU Library General Public License for more details.
    00020 //
    00021 // You should have received a copy of the GNU Library General Public License
    00022 // along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
    00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
    00024 //
    00025 // The U.S. Government is granted a limited license as per AL 91-7.
    00026 //
    00027
    00028 #ifndef _math_optimize_efc_h
    00029 #define _math_optimize_efc_h
    00030
    00031 #ifdef __GNUC__
    00032 #pragma interface
    00033 #endif
    00034
    00035 #include <util/state/state.h>
    00036 #include <util/class/class.h>
    00037 #include <math/scmat/matrix.h>
    00038 #include <math/optimize/function.h>
    00039 #include <math/optimize/opt.h>
    00040 #include <math/optimize/update.h>
    00041
    00042 namespace sc {
    00043
    00049 class EFCOpt: public Optimize {
    00050   protected:
    00051     int tstate;
    00052     int modef;
    00053
    00054     double maxabs_gradient;
    00055     double convergence_;
    00056     double accuracy_;
    00057
    00058     RefSymmSCMatrix hessian_;
    00059     Ref<HessianUpdate> update_;
    00060     RefSCVector last_mode_;
    00061
    00062   public:
    00091     EFCOpt(const Ref<KeyVal>&);
    00092     EFCOpt(StateIn&);
    00093     ~EFCOpt();
    00094     void save_data_state(StateOut&);
    00095
    00096     void apply_transform(const Ref<NonlinearTransform>&);
    00097
    00098     void init();
    00099     int update();
    00100 };
    00101
    00102 }
    00103
    00104 #endif
    00105
    00106 // Local Variables:
    00107 // mode: c++
    00108 // c-file-style: "ETS"
    00109 // End: