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muSpectre/language_bindings/python/bind_py_common.cc
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bind_py_common.cc
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/**
* @file bind_py_common.cc
*
* @author Till Junge <till.junge@epfl.ch>
*
* @date 08 Jan 2018
*
* @brief Python bindings for the common part of µSpectre
*
* Copyright © 2018 Till Junge
*
* µSpectre 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, 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 Lesser General Public License
* along with µSpectre; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* * Boston, MA 02111-1307, USA.
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining it
* with proprietary FFT implementations or numerical libraries, containing parts
* covered by the terms of those libraries' licenses, the licensors of this
* Program grant you additional permission to convey the resulting work.
*/
#include "common/common.hh"
#include "common/ccoord_operations.hh"
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <sstream>
using muSpectre::Dim_t;
using muSpectre::Real;
using muSpectre::StressMeasure;
using muSpectre::StrainMeasure;
using muSpectre::Formulation;
using pybind11::literals::operator""_a;
namespace py = pybind11;
template <Dim_t dim, typename T>
void add_get_cube_helper(py::module & mod) {
std::stringstream name{};
name << "get_" << dim << "d_cube";
mod.def(name.str().c_str(), &muSpectre::CcoordOps::get_cube<dim, T>, "size"_a,
"return a Ccoord with the value 'size' repeated in each dimension");
}
template <Dim_t dim>
void add_get_hermitian_helper(py::module & mod) {
mod.def("get_hermitian_sizes",
&muSpectre::CcoordOps::get_hermitian_sizes<dim>, "full_sizes"_a,
"return the hermitian sizes corresponding to the true sizes");
}
template <Dim_t dim>
void add_get_ccoord_helper(py::module & mod) {
using Ccoord = muSpectre::Ccoord_t<dim>;
mod.def(
"get_domain_ccoord",
[](Ccoord resolutions, Dim_t index) {
return muSpectre::CcoordOps::get_ccoord<dim>(resolutions, Ccoord{},
index);
},
"resolutions"_a, "i"_a,
"return the cell coordinate corresponding to the i'th cell in a grid of "
"shape resolutions");
}
void add_get_cube(py::module & mod) {
add_get_cube_helper<muSpectre::twoD, Dim_t>(mod);
add_get_cube_helper<muSpectre::twoD, Real>(mod);
add_get_cube_helper<muSpectre::threeD, Dim_t>(mod);
add_get_cube_helper<muSpectre::threeD, Real>(mod);
add_get_hermitian_helper<muSpectre::twoD>(mod);
add_get_hermitian_helper<muSpectre::threeD>(mod);
add_get_ccoord_helper<muSpectre::twoD>(mod);
add_get_ccoord_helper<muSpectre::threeD>(mod);
}
template <Dim_t dim>
void add_get_index_helper(py::module & mod) {
using Ccoord = muSpectre::Ccoord_t<dim>;
mod.def("get_domain_index",
[](Ccoord sizes, Ccoord ccoord) {
return muSpectre::CcoordOps::get_index<dim>(sizes, Ccoord{},
ccoord);
},
"sizes"_a, "ccoord"_a,
"return the linear index corresponding to grid point 'ccoord' in a "
"grid of size 'sizes'");
}
void add_get_index(py::module & mod) {
add_get_index_helper<muSpectre::twoD>(mod);
add_get_index_helper<muSpectre::threeD>(mod);
}
template <Dim_t dim>
void add_Pixels_helper(py::module & mod) {
std::stringstream name{};
name << "Pixels" << dim << "d";
using Ccoord = muSpectre::Ccoord_t<dim>;
py::class_<muSpectre::CcoordOps::Pixels<dim>> Pixels(mod, name.str().c_str());
Pixels.def(py::init<Ccoord>());
}
void add_Pixels(py::module & mod) {
add_Pixels_helper<muSpectre::twoD>(mod);
add_Pixels_helper<muSpectre::threeD>(mod);
}
void add_common(py::module & mod) {
py::enum_<Formulation>(mod, "Formulation")
.value("finite_strain", Formulation::finite_strain)
.value("small_strain", Formulation::small_strain);
py::enum_<StressMeasure>(mod, "StressMeasure")
.value("Cauchy", StressMeasure::Cauchy)
.value("PK1", StressMeasure::PK1)
.value("PK2", StressMeasure::PK2)
.value("Kirchhoff", StressMeasure::Kirchhoff)
.value("Biot", StressMeasure::Biot)
.value("Mandel", StressMeasure::Mandel)
.value("no_stress_", StressMeasure::no_stress_);
py::enum_<StrainMeasure>(mod, "StrainMeasure")
.value("Gradient", StrainMeasure::Gradient)
.value("Infinitesimal", StrainMeasure::Infinitesimal)
.value("GreenLagrange", StrainMeasure::GreenLagrange)
.value("Biot", StrainMeasure::Biot)
.value("Log", StrainMeasure::Log)
.value("Almansi", StrainMeasure::Almansi)
.value("RCauchyGreen", StrainMeasure::RCauchyGreen)
.value("LCauchyGreen", StrainMeasure::LCauchyGreen)
.value("no_strain_", StrainMeasure::no_strain_);
py::enum_<muSpectre::FFT_PlanFlags>(mod, "FFT_PlanFlags")
.value("estimate", muSpectre::FFT_PlanFlags::estimate)
.value("measure", muSpectre::FFT_PlanFlags::measure)
.value("patient", muSpectre::FFT_PlanFlags::patient);
mod.def("banner", &muSpectre::banner, "name"_a, "year"_a,
"copyright_holder"_a);
add_get_cube(mod);
add_Pixels(mod);
add_get_index(mod);
}
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