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bind_py_system.cc
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rMUSPECTRE µSpectre
bind_py_system.cc
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/**
* file bind_py_system.cc
*
* @author Till Junge <till.junge@epfl.ch>
*
* @date 09 Jan 2018
*
* @brief Python bindings for the system factory function
*
* @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 "common/ccoord_operations.hh"
#include "system/system_factory.hh"
#include "system/system_base.hh"
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <sstream>
using
namespace
muSpectre
;
namespace
py
=
pybind11
;
using
namespace
pybind11
::
literals
;
/**
* the system factory is only bound for default template parameters
*/
template
<
Dim_t
dim
>
void
add_system_factory_helper
(
py
::
module
&
mod
)
{
std
::
stringstream
name
{};
name
<<
"SystemFactory"
<<
dim
<<
"d"
;
using
Ccoord
=
Ccoord_t
<
dim
>
;
using
Rcoord
=
Rcoord_t
<
dim
>
;
using
Form
=
Formulation
;
mod
.
def
(
name
.
str
().
c_str
(),
[](
Ccoord
res
,
Rcoord
lens
,
Form
form
)
{
return
make_system
(
std
::
move
(
res
),
std
::
move
(
lens
),
std
::
move
(
form
));
},
"resolutions"
_a
,
"lengths"
_a
=
CcoordOps
::
get_cube
<
dim
>
(
1.
),
"formulation"
_a
=
Formulation
::
finite_strain
);
}
void
add_system_factory
(
py
::
module
&
mod
)
{
add_system_factory_helper
<
twoD
>
(
mod
);
add_system_factory_helper
<
threeD
>
(
mod
);
}
/**
* SystemBase for which the material and spatial dimension are identical
*/
template
<
Dim_t
dim
>
void
add_system_base_helper
(
py
::
module
&
mod
)
{
std
::
stringstream
name
{};
name
<<
"SystemBase"
<<
dim
<<
'd'
;
auto
&&
name_str
{
name
.
str
().
c_str
()};
using
sys_t
=
SystemBase
<
dim
,
dim
>
;
py
::
class_
<
sys_t
>
(
mod
,
name_str
)
.
def
(
"__len__"
,
&
sys_t
::
size
)
.
def
(
"__iter__"
,
[](
sys_t
&
s
)
{
return
py
::
make_iterator
(
s
.
begin
(),
s
.
end
());
})
.
def
(
"initialise"
,
&
sys_t
::
initialise
,
"flags"
_a
=
FFT_PlanFlags
::
estimate
);
}
void
add_system_base
(
py
::
module
&
mod
)
{
add_system_base_helper
<
twoD
>
(
mod
);
add_system_base_helper
<
threeD
>
(
mod
);
}
PYBIND11_PLUGIN
(
system
)
{
py
::
module
::
import
(
"common"
);
py
::
module
mod
(
"system"
,
"bindings for systems and system factories"
);
add_system_factory
(
mod
);
add_system_base
(
mod
);
return
mod
.
ptr
();
}
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