81 lines
3.6 KiB
C
81 lines
3.6 KiB
C
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/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
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/* ******** *** SparseLib++ */
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/* ******* ** *** *** *** v. 1.5c */
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/* ***** *** ******** ******** */
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/* ***** *** ******** ******** R. Pozo */
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/* ** ******* *** ** *** *** K. Remington */
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/* ******** ******** A. Lumsdaine */
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/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
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/* */
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/* */
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/* SparseLib++ : Sparse Matrix Library */
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/* */
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/* National Institute of Standards and Technology */
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/* University of Notre Dame */
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/* Authors: R. Pozo, K. Remington, A. Lumsdaine */
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/* */
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/* NOTICE */
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/* */
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/* Permission to use, copy, modify, and distribute this software and */
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/* its documentation for any purpose and without fee is hereby granted */
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/* provided that the above notice appear in all copies and supporting */
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/* documentation. */
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/* */
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/* Neither the Institutions (National Institute of Standards and Technology, */
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/* University of Notre Dame) nor the Authors make any representations about */
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/* the suitability of this software for any purpose. This software is */
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/* provided ``as is'' without expressed or implied warranty. */
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/* */
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/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
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// modification GR
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// 1) on utilise une interface unique pour tous les préconditionneurs
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// d'où l'héritage d'une classe virtuelle
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// 2) on utilise sytématiquement les classes templates MV++
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#ifndef ICPRE_GR_H
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#define ICPRE_GR_H
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//#include "vecdefs.h"
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#include "vecdefs_GR.h" // modif GR
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//#include VECTOR_H // modif GR
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#include "compcol_double.h"
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#include "comprow_double.h"
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#include "pre_cond_double.h"
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#include "Mat_abstraite.h"
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class ICPreconditioner_double : public Pre_cond_double
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{
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private:
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VECTOR_double val_;
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VECTOR_int pntr_;
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VECTOR_int indx_;
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int nz_;
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int dim_[2];
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public:
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ICPreconditioner_double(const CompCol_Mat_double &A);
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ICPreconditioner_double(const CompRow_Mat_double &A);
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// cas d'une matrice abstraite
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ICPreconditioner_double(const Mat_abstraite &A);
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// méthodes------
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~ICPreconditioner_double(void){};
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VECTOR_double solve(const VECTOR_double &x) const;
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VECTOR_double trans_solve(const VECTOR_double &x) const;
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//====================== protégée ========================
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protected :
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// fonction interne d'initialisation pour éviter la recopie
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void Init_CompCol_Mat_double(const CompCol_Mat_double &A);
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void Init_CompRow_Mat_double(const CompRow_Mat_double &A);
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void Init_Mat_creuse_CompCol(const Mat_abstraite &A);
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};
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#endif
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