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arnoldi_const.h

00001 /* seqpp/arnoldi_const.h
00002  *
00003  * Copyright (C) 2003 Laboratoire Statistique & Génome
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or (at
00008  * your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful, but
00011  * WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018  */
00023 #ifndef ARNOLDI_CONST_H
00024 #define ARNOLDI_CONST_H
00025 
00026 /* maximum  dimension of a matrix to treat in hqr2
00027    must be <ARNOLDI_MMAX^2 */
00028 #define HQR2_NMAX 10100
00029 
00030 /* maximum dim of the Kyrov space in arnoldi */
00031 #define ARNOLDI_MMAX 100
00032 
00033 /* precision of the arnoldi approximation */
00034 #define ARNOLDI_PRECISION 1.0e-10
00035    
00036 /* max number of iterations in arnoldi */
00037 #define ARNOLDI_MAX_ITER 1500
00038 
00039 /* x < EIGEN_EPSILON means x = 0 in max_eigen */
00040 #define EIGEN_EPSILON 1.0e-10
00041 
00042 /* epsilon in  frprmn */
00043 #define FRPRMN_EPSILON 1.0e-9
00044 #define FRPRMN_ITMAX 10000
00045 
00046 #endif



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