scflocal.h Source File

00001 //
00002 // scflocal.h --- local inline functions
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 _chemistry_qc_scf_scflocal_h
00029 #define _chemistry_qc_scf_scflocal_h
00030 
00031 #include <math/scmat/block.h>
00032 
00033 namespace sc {
00034 
00035 static inline double *
00036 get_tri_block(SCMatrixBlock* blk,
00037               int& istart, int& iend, int& jstart, int& jend, int& sub)
00038 {
00039   double *data=0;
00040   
00041   if (dynamic_cast<SCMatrixLTriBlock*>(blk)) {
00042     SCMatrixLTriBlock *lblk = dynamic_cast<SCMatrixLTriBlock*>(blk);
00043     istart = lblk->start; iend=lblk->end;
00044     jstart = lblk->start; jend=lblk->end;
00045     data = lblk->data;
00046     sub=0;
00047   } else if (dynamic_cast<SCMatrixLTriSubBlock*>(blk)) {
00048     SCMatrixLTriSubBlock *lblk = dynamic_cast<SCMatrixLTriSubBlock*>(blk);
00049     istart = lblk->istart; iend=lblk->iend;
00050     jstart = lblk->jstart; jend=lblk->jend;
00051     data = lblk->data;
00052     sub=1;
00053   }
00054 
00055   return data;
00056 }
00057 
00058 }
00059 
00060 #endif
00061 
00062 // Local Variables:
00063 // mode: c++
00064 // c-file-style: "ETS"
00065 // End: