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surface_python.hh
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Mon, Aug 5, 13:49
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rTAMAAS tamaas
surface_python.hh
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/**
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2016 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Tamaas 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.
*
* Tamaas 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Tamaas. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __SURFACE_PYTHON_HH__
#define __SURFACE_PYTHON_HH__
/* -------------------------------------------------------------------------- */
__BEGIN_TAMAAS__
template
<
typename
T
>
class
SurfaceForPython
:
public
Surface
<
T
>
{
public
:
SurfaceForPython
(
T
*
wrapped_memory
,
UInt
n
,
Real
L
)
:
Surface
<
T
>
(
0
,
L
){
this
->
__init__
(
wrapped_memory
,
n
,
L
);
};
void
__init__
(
T
*
wrapped_memory
,
UInt
n
,
Real
L
){
this
->
n
[
0
]
=
n
;
this
->
n
[
1
]
=
n
;
this
->
data
.
wrapMemory
(
wrapped_memory
,
n
*
n
);
this
->
computeStrides
();
}
SurfaceForPython
(
PyObject
*
input
,
Real
L
=
1.
)
:
Surface
<
T
>
(
0
,
L
){
if
(
!
PyArray_Check
(
input
)){
PyObject
*
obj_type
=
PyObject_Type
(
input
);
std
::
string
type
=
PyString_AsString
(
obj_type
);
throw
Exception
(
"SurfaceForPython: incompatible input which is not a numpy: "
+
type
);
}
UInt
_n
=
PyArray_NDIM
((
PyArrayObject
*
)
input
);
if
(
_n
!=
2
)
SURFACE_FATAL
(
"SurfaceForPython: incompatible numpy dimension "
<<
_n
);
npy_intp
*
ndims
=
PyArray_DIMS
((
PyArrayObject
*
)
input
);
UInt
sz
=
ndims
[
0
];
UInt
sz2
=
ndims
[
1
];
if
(
sz
!=
sz2
)
SURFACE_FATAL
(
"SurfaceForPython: incompatible numpy dimensions "
<<
sz
<<
" "
<<
sz2
);
PyArrayIterObject
*
iter
=
(
PyArrayIterObject
*
)
PyArray_IterNew
(
input
);
if
(
iter
==
NULL
)
throw
;
this
->
__init__
((
T
*
)(
iter
->
dataptr
),
sz
,
L
);
Py_DECREF
(
iter
);
};
~
SurfaceForPython
(){
};
void
resize
(
UInt
new_size
){
if
(
this
->
size
()
!=
new_size
)
throw
Exception
(
"SurfaceForPython: cannot resize a temporary vector"
);
}
};
__END_TAMAAS__
#endif
// __SURFACE_PYTHON_HH__
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