Mercurial > fem-fenics-eugenio
annotate inst/linear_algebra_backend.m @ 251:b1dc98050634
Add support for PETSc algebra back-end
author | Eugenio Gianniti <eugenio.gianniti@mail.polimi.it> |
---|---|
date | Sun, 20 Jul 2014 18:59:17 +0200 |
parents | 8f309b85bb7e |
children | 2b51546a28f7 |
rev | line source |
---|---|
250
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
1 ## Copyright (C) 2014 Eugenio Gianniti <eugenio.gianniti@mail.polimi.it> |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
2 ## |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
3 ## This program is free software; you can redistribute it and/or modify it under |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
4 ## the terms of the GNU General Public License as published by the Free Software |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
5 ## Foundation; either version 3 of the License, or (at your option) any later |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
6 ## version. |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
7 ## |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
8 ## This program is distributed in the hope that it will be useful, but WITHOUT |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
9 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
10 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
11 ## details. |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
12 ## |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
13 ## You should have received a copy of the GNU General Public License along with |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
14 ## this program; if not, see <http://www.gnu.org/licenses/>. |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
15 |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
16 ## -*- texinfo -*- |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
17 ## @deftypefn {Function File} @var{val} = linear_algebra_backend () |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
18 ## @deftypefnx {Function File} @var{old_val} = linear_algebra_backend (@var{new_val}) |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
19 ## |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
20 ## Query or set the internal variable that specifies the linear algebra back-end |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
21 ## to use when assembling systems, matrices or vectors. It defaults to "uBLAS". |
251
b1dc98050634
Add support for PETSc algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
250
diff
changeset
|
22 ## uBLAS and PETSc are currently available. |
250
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
23 ## |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
24 ## @end deftypefn |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
25 |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
26 function output = linear_algebra_backend (varargin) |
251
b1dc98050634
Add support for PETSc algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
250
diff
changeset
|
27 |
250
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
28 persistent backend = "uBLAS"; |
251
b1dc98050634
Add support for PETSc algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
250
diff
changeset
|
29 persistent opts = {"uBLAS", |
b1dc98050634
Add support for PETSc algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
250
diff
changeset
|
30 "PETSc"}; |
250
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
31 |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
32 if (nargin > 1) |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
33 print_usage (); |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
34 else |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
35 output = backend; |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
36 if (nargin == 1) |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
37 input = validatestring (varargin{1}, opts, "linear_algebra_backend", |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
38 "new_val"); |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
39 backend = input; |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
40 endif |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
41 endif |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
42 |
8f309b85bb7e
Add function to set linear algebra back-end
Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
parents:
diff
changeset
|
43 endfunction |