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tamaas/src/python/surface_python.hh
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surface_python.hh
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/**
* @file
*
* @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__
/* -------------------------------------------------------------------------- */
#include "surface.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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