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CheckFindMumps.c
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Created
Sun, May 5, 11:28
Size
2 KB
Mime Type
text/x-c
Expires
Tue, May 7, 11:28 (1 d, 23 h)
Engine
blob
Format
Raw Data
Handle
17485268
Attached To
rSPCLIBS SPClibs
CheckFindMumps.c
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/**
* @file CheckFindMumps.c
*
* @brief
*
* @copyright
* Copyright (©) 2021 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* SPC (Swiss Plasma Center)
*
* SPClibs is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* SPClibs is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* @author
* (in alphabetical order)
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*/
#include <stdio.h>
#if !defined(MUMPS_SEQ)
# include <mpi.h>
#endif
#define JOB_INIT -1
#define JOB_END -2
#define JOB_COMPLETE 6
#define USE_COMM_WORLD -987654
#define icntl(n) id.icntl[n - 1]
int
main
(
int
argc
,
char
**
argv
)
{
int
n
=
2
;
int
nz
=
2
;
int
irn
[
2
]
=
{
1
,
2
};
int
jcn
[
2
]
=
{
1
,
2
};
Real
a
[
2
];
Real
rhs
[
2
];
#if !defined(MUMPS_SEQ)
MPI_Init
(
&
argc
,
&
argv
);
#endif
rhs
[
0
]
=
1.0
;
rhs
[
1
]
=
4.0
;
a
[
0
]
=
1.0
;
a
[
1
]
=
2.0
;
id
.
job
=
JOB_INIT
;
id
.
par
=
1
;
id
.
sym
=
0
;
#if !defined(MUMPS_SEQ)
id
.
comm_fortran
=
USE_COMM_WORLD
;
#endif
mumps_c
(
&
id
);
// Default Scaling
icntl
(
8
)
=
77
;
// Assembled matrix
icntl
(
5
)
=
0
;
/// Default centralized dense second member
icntl
(
20
)
=
0
;
icntl
(
21
)
=
0
;
// automatic choice for analysis analysis
icntl
(
28
)
=
0
;
// fully distributed
icntl
(
18
)
=
3
;
id
.
n
=
n
;
id
.
nz_loc
=
nz
;
id
.
irn_loc
=
irn
;
id
.
jcn_loc
=
jcn
;
id
.
a_loc
=
a
;
id
.
rhs
=
rhs
;
icntl
(
1
)
=
-
1
;
icntl
(
2
)
=
-
1
;
icntl
(
3
)
=
-
1
;
icntl
(
4
)
=
0
;
id
.
job
=
JOB_COMPLETE
;
mumps_c
(
&
id
);
id
.
job
=
JOB_END
;
mumps_c
(
&
id
);
printf
(
"Solution is : (%8.2f %8.2f)
\n
"
,
rhs
[
0
],
rhs
[
1
]);
return
0
;
}
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