00001 /*---------------------------------------------------------------------------- 00002 Sparse QR solver for linear systems of equations or least squares problems 00003 Copyright (C) 1996, Thomas H. Robey 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 00019 Inquiries can be directed to trobey@arc.unm.edu or 00020 00021 Thomas H. Robey 00022 925 Madison NE 00023 Albuquerque, NM 87110 00024 USA 00025 ----------------------------------------------------------------------------*/ 00026 00027 #ifndef mindegree_hh 00028 #define mindegree_hh 00029 00030 #include <stddef.h> 00031 00032 namespace sparseqr { 00033 00038 class MinDegree { 00039 public: 00040 MinDegree(QR *,int); 00041 ~MinDegree() { 00042 delete[] degree; 00043 }; 00044 int MinSearch(QR *,int,int,int *); 00045 void Track(QR *,int,int,int); 00046 void Untrack(QR *,int,int,int,int); 00047 private: 00048 int *degree,*list; 00049 int *work; 00050 }; 00051 00052 } // namespace sparseqr 00053 00054 #endif // mindegree_hh