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The double real matrix test for MUMPS
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| C | |
| C This file is part of MUMPS 4.10.0, built on Tue May 10 12:56:32 UTC 2011 | |
| C | |
| PROGRAM MUMPS_TEST | |
| IMPLICIT NONE | |
| INCLUDE 'mpif.h' | |
| INCLUDE 'dmumps_struc.h' | |
| TYPE (DMUMPS_STRUC) mumps_par | |
| INTEGER IERR, I | |
| CALL MPI_INIT(IERR) | |
| C Define a communicator for the package. | |
| mumps_par%COMM = MPI_COMM_WORLD | |
| C Initialize an instance of the package | |
| C for L U factorization (sym = 0, with working host) | |
| mumps_par%JOB = -1 | |
| mumps_par%SYM = 0 | |
| mumps_par%PAR = 1 | |
| CALL DMUMPS(mumps_par) | |
| C Define problem on the host (processor 0) | |
| IF ( mumps_par%MYID .eq. 0 ) THEN | |
| READ(5,*) mumps_par%N | |
| READ(5,*) mumps_par%NZ | |
| ALLOCATE( mumps_par%IRN ( mumps_par%NZ ) ) | |
| ALLOCATE( mumps_par%JCN ( mumps_par%NZ ) ) | |
| ALLOCATE( mumps_par%A( mumps_par%NZ ) ) | |
| ALLOCATE( mumps_par%RHS ( mumps_par%N ) ) | |
| DO I = 1, mumps_par%NZ | |
| READ(5,*) mumps_par%IRN(I),mumps_par%JCN(I),mumps_par%A(I) | |
| END DO | |
| DO I = 1, mumps_par%N | |
| READ(5,*) mumps_par%RHS(I) | |
| END DO | |
| END IF | |
| C Call package for solution | |
| mumps_par%JOB = 6 | |
| CALL DMUMPS(mumps_par) | |
| C Solution has been assembled on the host | |
| IF ( mumps_par%MYID .eq. 0 ) THEN | |
| WRITE( 6, * ) ' Solution is ',(mumps_par%RHS(I),I=1,mumps_par%N) | |
| END IF | |
| C Deallocate user data | |
| IF ( mumps_par%MYID .eq. 0 )THEN | |
| DEALLOCATE( mumps_par%IRN ) | |
| DEALLOCATE( mumps_par%JCN ) | |
| DEALLOCATE( mumps_par%A ) | |
| DEALLOCATE( mumps_par%RHS ) | |
| END IF | |
| C Destroy the instance (deallocate internal data structures) | |
| mumps_par%JOB = -2 | |
| CALL DMUMPS(mumps_par) | |
| CALL MPI_FINALIZE(IERR) | |
| STOP | |
| END |
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| 5 :N | |
| 12 :NZ | |
| 1 2 3.0 | |
| 2 3 -3.0 | |
| 4 3 2.0 | |
| 5 5 1.0 | |
| 2 1 3.0 | |
| 1 1 2.0 | |
| 5 2 4.0 | |
| 3 4 2.0 | |
| 2 5 6.0 | |
| 3 2 -1.0 | |
| 1 3 4.0 | |
| 3 3 1.0 :values | |
| 20.0 | |
| 24.0 | |
| 9.0 | |
| 6.0 | |
| 13.0 :RHS | |
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