00001 //=========================================================================== 00002 // The Level-Set Segmentation Library (LSSEG) 00003 // 00004 // 00005 // Copyright (C) 2000-2005 SINTEF ICT, Applied Mathematics, Norway. 00006 // 00007 // This program is free software; you can redistribute it and/or 00008 // modify it under the terms of the GNU General Public License 00009 // as published by the Free Software Foundation version 2 of the License. 00010 // 00011 // This program is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 // 00016 // You should have received a copy of the GNU General Public License 00017 // along with this program; if not, write to the Free Software 00018 // Foundation, Inc., 00019 // 59 Temple Place - Suite 330, 00020 // Boston, MA 02111-1307, USA. 00021 // 00022 // Contact information: e-mail: tor.dokken@sintef.no 00023 // SINTEF ICT, Department of Applied Mathematics, 00024 // P.O. Box 124 Blindern, 00025 // 0314 Oslo, Norway. 00026 // 00027 // 00028 // Other licenses are also available for this software, notably licenses 00029 // for: 00030 // - Building commercial software. 00031 // - Building software whose source code you wish to keep private. 00032 // 00033 //=========================================================================== 00034 //=========================================================================== 00035 // 00036 // File: EigValComp3x3.h 00037 // 00038 // Created: Wed May 3 14:51:38 2006 00039 // 00040 // Author: Odd A. Andersen <Odd.Andersen@sintef.no> 00041 // 00042 // Revision: $Id: EigValComp3x3.h,v 1.6 2006/11/13 02:29:24 oan Exp $ 00043 // 00044 // Description: 00048 // 00049 //=========================================================================== 00050 00051 #ifndef _EIGVALCOMP3X3_H 00052 #define _EIGVALCOMP3X3_H 00053 00054 namespace lsseg { 00055 00073 void analytic_eigvals(double alpha1, double alpha2, double alpha3, 00074 double beta, double gamma, double delta, 00075 double& lambda1, double& lambda2, double& lambda3); 00076 00101 void analytic_eigsys(double alpha1, double alpha2, double alpha3, 00102 double beta, double gamma, double delta, 00103 double& lambda1, double& lambda2, double& lambda3, 00104 double* v1, double* v2, double* v3); 00105 00129 void numeric_eigsys(double alpha1, double alpha2, double alpha3, 00130 double beta, double gamma, double delta, 00131 double& lambda1, double& lambda2, double& lambda3, 00132 double* v1, double* v2, double* v3); 00133 00134 00135 }; // end namespace 00136 00137 #endif // _EIGVALCOMP3X3_H 00138
1.4.7