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bind_py_solvers.cc
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rMUSPECTRE µSpectre
bind_py_solvers.cc
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/**
* file bind_py_solver.cc
*
* @author Till Junge <till.junge@epfl.ch>
*
* @date 09 Jan 2018
*
* @brief python bindings for the muSpectre solvers
*
* @section LICENCE
*
* Copyright © 2018 Till Junge
*
* µSpectre is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3, or (at
* your option) any later version.
*
* µSpectre 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 General Public License
* along with GNU Emacs; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "common/common.hh"
#include "solver/solvers.hh"
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <pybind11/eigen.h>
#include <sstream>
using
namespace
muSpectre
;
namespace
py
=
pybind11
;
using
namespace
pybind11
::
literals
;
/**
* Solvers instanciated for systems with equal spatial and material dimension
*/
template
<
Dim_t
sdim
>
void
add_newton_cg_helper
(
py
::
module
&
mod
)
{
std
::
stringstream
name_stream
{};
name_stream
<<
"newton_cg"
<<
sdim
<<
"d"
;
constexpr
Dim_t
mdim
{
sdim
};
using
sys
=
SystemBase
<
sdim
,
mdim
>
;
using
grad
=
Grad_t
<
sdim
>
;
using
grad_vec
=
Grad_t
<
sdim
>
;
mod
.
def
(
name_stream
.
str
().
c_str
(),
[](
sys
&
s
,
const
grad
&
g
,
Formulation
f
,
Real
ct
,
Real
nt
,
Uint
max
,
Dim_t
verb
)
->
typename
sys
::
StrainField_t
&
{
return
newton_cg
(
s
,
g
,
f
,
ct
,
nt
,
max
,
verb
);
},
"system"
_a
,
"ΔF₀"
_a
,
"formulation"
_a
,
"cg_tol"
_a
,
"newton_tol"
_a
,
"maxiter"
_a
=
0
,
"verbose"
_a
=
0
);
mod
.
def
(
name_stream
.
str
().
c_str
(),
[](
sys
&
s
,
const
grad_vec
&
g
,
Formulation
f
,
Real
ct
,
Real
nt
,
Uint
max
,
Dim_t
verb
)
->
typename
sys
::
StrainField_t
&
{
return
newton_cg
(
s
,
g
,
f
,
ct
,
nt
,
max
,
verb
);
},
"system"
_a
,
"ΔF₀"
_a
,
"formulation"
_a
,
"cg_tol"
_a
,
"newton_tol"
_a
,
"maxiter"
_a
=
0
,
"verbose"
_a
=
0
);
}
template
<
Dim_t
sdim
>
void
add_de_geus_helper
(
py
::
module
&
mod
)
{
std
::
stringstream
name_stream
{};
name_stream
<<
"de_geus"
<<
sdim
<<
"d"
;
constexpr
Dim_t
mdim
{
sdim
};
using
sys
=
SystemBase
<
sdim
,
mdim
>
;
using
grad
=
Grad_t
<
sdim
>
;
using
grad_vec
=
Grad_t
<
sdim
>
;
mod
.
def
(
name_stream
.
str
().
c_str
(),
[](
sys
&
s
,
const
grad
&
g
,
Formulation
f
,
Real
ct
,
Real
nt
,
Uint
max
,
Dim_t
verb
)
->
typename
sys
::
StrainField_t
&
{
return
de_geus
(
s
,
g
,
f
,
ct
,
nt
,
max
,
verb
);
},
"system"
_a
,
"ΔF₀"
_a
,
"formulation"
_a
,
"cg_tol"
_a
,
"newton_tol"
_a
,
"maxiter"
_a
=
0
,
"verbose"
_a
=
0
);
mod
.
def
(
name_stream
.
str
().
c_str
(),
[](
sys
&
s
,
const
grad_vec
&
g
,
Formulation
f
,
Real
ct
,
Real
nt
,
Uint
max
,
Dim_t
verb
)
->
typename
sys
::
StrainField_t
&
{
return
de_geus
(
s
,
g
,
f
,
ct
,
nt
,
max
,
verb
);
},
"system"
_a
,
"ΔF₀"
_a
,
"formulation"
_a
,
"cg_tol"
_a
,
"newton_tol"
_a
,
"maxiter"
_a
=
0
,
"verbose"
_a
=
0
);
}
template
<
Dim_t
dim
>
void
add_solver_helper
(
py
::
module
&
mod
)
{
add_newton_cg_helper
<
dim
>
(
mod
);
add_de_geus_helper
<
dim
>
(
mod
);
}
void
add_solvers
(
py
::
module
&
mod
)
{
add_solver_helper
<
twoD
>
(
mod
);
add_solver_helper
<
threeD
>
(
mod
);
}
PYBIND11_PLUGIN
(
solvers
)
{
py
::
module
::
import
(
"common"
);
py
::
module
::
import
(
"system"
);
py
::
module
mod
(
"solvers"
,
"bindings for solvers"
);
add_solvers
(
mod
);
return
mod
.
ptr
();
}
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