cmrh : v. Numer. Algorithms, 63 (2013), 127-142

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Readme.txt

***************************************************************************
* All the software contained in this library is protected by copyright. *
* Permission to use, copy, modify, and distribute this software for any *
* purpose without fee is hereby granted, provided that this entire notice *
* is included in all copies of any software which is or includes a copy *
* or modification of this software and in all copies of the supporting *
* documentation for such software. *
***************************************************************************
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED *
* WARRANTY. IN NO EVENT, NEITHER THE AUTHORS, NOR THE PUBLISHER, NOR ANY *
* MEMBER OF THE EDITORIAL BOARD OF THE JOURNAL "NUMERICAL ALGORITHMS", *
* NOR ITS EDITOR-IN-CHIEF, BE LIABLE FOR ANY ERROR IN THE SOFTWARE, ANY *
* MISUSE OF IT OR ANY DAMAGE ARISING OUT OF ITS USE. THE ENTIRE RISK OF *
* USING THE SOFTWARE LIES WITH THE PARTY DOING SO. *
***************************************************************************
* ANY USE OF THE SOFTWARE CONSTITUTES ACCEPTANCE OF THE TERMS OF THE *
* ABOVE STATEMENT. *
***************************************************************************

AUTHORS:
S. Duminil, Ph. Marion, H. Sadok
University of Littoral Calais, France
E-mail: duminil@lmpa.univ-littoral.fr, sadok@lmpa.univ-littoral.fr,
marion@lmpa.univ-littoral.fr


Mohammed Heyouni
University Mohammed Premier Oujda, Maroc
E-mail: mohammed.heyouni@gmail.com

REFERENCES:

- CMRH: A new method for solving non symmetric linear systems based on the
Hessenberg reduction algorithms, Numer. Algorithms, 20, (1999), pp 303-321
- A new implementation of the CMRH method for solving dense linear systems,
J. Comput. Appl. Math., 213 (2008), pp 387-399
- A parallel implementation of the CMRH method for dense linear systems,
Numer. Algorithms, 63 (2013), 127-142

SOFWARE REVISION DATE:
v1.0, January 2013

SOFTWARE LANGUAGE:
Fortran 90 and MATLAB 8.0 (R2012b)

=============================================================================
SOFTWARE
=============================================================================

This package provides a set of Fortran and Matlab functions to solve linear systems using CMRH method.

=============================================================================
PACKAGE
=============================================================================

The main directory contains the following files

* README.txt : This file

* Fortran 90 subroutines :

-makefile : to install and config all fortran programs
-inputfile.dat : In this file, we choose the size of system, the choice of
matrix, the choice of solution and the print version
-initialisation.f90 : This file creates inputfile.dat
-CMRH.f90 : CMRH program
-PCMRH.f90 : Parallel CMRH program
-helsing.f90 : Matrix test stored in matrixfile.dat
-rbf.f90 : Matrix test stored in matrixfile.dat
-rand0.f90 : Create a rand vector stored in rand0.dat
-vecrand.f90 : Create two rand vectors stored in vecrand.dat
-randvectors.f90 : Contains some subroutines

* Matlab programs :
-main.m : main program
-CMRH.m : CMRH function
-matrice.m : To create some matrix example
-solution.m : To create some solution vector example
-mmread.m : from matrix market. To store matrix market file in A
-helsing.m : Matrix test
-gemat11.mtx : A matrix market example


=============================================================================
HOW TO INSTALL
=============================================================================
When the archive file containing the package is uncompressed, it creates a directory named CMRHprograms.
The directory fortran contains the fortran codes.
The directory matlab contains the matlab codes.

* Fortran 90 programs :
- enter to fortran directory
- Open makefile
- Config fortran, mpi, blas and lapack compilers

* Matlab programs :
- enter to matlab directory
- Run main.m

=============================================================================
HOW TO COMPILE
=============================================================================
- make all (to config all programs) or make allseq (to config only sequential programs)
- ./initialisation (to config inputfile.dat)
- ./CMRH (to run CMRH program)
- mprun -n (nb of proc) ./PCMRH (to run PCMRH program)


=============================================================================
NUMERICAL TESTS
=============================================================================
FORTRAN PROGRAMS :
- Run ./initialisation to config the matrix :
-helsing : Matrix arising from Helsing paper (choose 3)
-rbf : Matrix arising from radial basis functions (choose 4)
-Own matrix : save it in matrixfile.dat (choose 5)
- Run ./CMRH or mprun -n (nb of proc) ./PCMRH

MATLAB PROGRAMS :
- Run main.m
- Choose the matrix example.
- For matrix market test, choose 6 and enter the file name .mtx


=============================================================================
DELETE FORTRAN FILES
=============================================================================
- make clean