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// Copyright (C) 2017 Garth N. Wells
//
// This file is part of FFC.
//
// FFC 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.
//
// FFC 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 FFC. If not, see <http://www.gnu.org/licenses/>.
#include <iostream>
#include <memory>
#include <stdexcept>
#include <vector>
#include <pybind11/pybind11.h>
#include <pybind11/numpy.h>
#include <ufc.h>
namespace py = pybind11;
namespace ufc_wrappers
{
// Interface function to
// ufc::finite_element::evaluate_reference_basis
py::array_t<double> evaluate_reference_basis(ufc::finite_element &instance,
py::array_t<double> x);
py::array_t<double>
evaluate_reference_basis_derivatives(const ufc::finite_element &instance,
std::size_t order, py::array_t<double> x);
py::array_t<double>
transform_reference_basis_derivatives(ufc::finite_element &instance,
std::size_t order,
py::array_t<double> reference_values,
py::array_t<double> X,
py::array_t<double> J,
py::array_t<double> detJ,
py::array_t<double> K,
int orientation);
// Remove from UFC
py::array_t<double>
evaluate_basis(ufc::finite_element &instance, std::size_t i,
py::array_t<double> x,
py::array_t<double> coordinate_dofs,
int cell_orientation);
// Remove from UFC
py::array_t<double> evaluate_basis_all(ufc::finite_element &instance,
py::array_t<double> x,
py::array_t<double> coordinate_dofs,
int cell_orientation);
// Remove from UFC
py::array_t<double> evaluate_basis_derivatives(ufc::finite_element &instance,
std::size_t i,
std::size_t n,
py::array_t<double> x,
py::array_t<double> coordinate_dofs,
int cell_orientation);
// Remove from UFC
py::array_t<double>
evaluate_basis_derivatives_all(ufc::finite_element &instance,
std::size_t n,
py::array_t<double> x,
py::array_t<double> coordinate_dofs,
int cell_orientation);
double evaluate_dof(ufc::finite_element &instance,
std::size_t i,
const ufc::function& f,
py::array_t<double> coordinate_dofs,
int cell_orientation,
const ufc::cell& cell);
py::array_t<double> evaluate_dofs(ufc::finite_element &instance,
const ufc::function& f,
py::array_t<double> coordinate_dofs,
int cell_orientation,
const ufc::cell& cell);
py::array_t<double> interpolate_vertex_values(ufc::finite_element &instance,
py::array_t<double> dof_values,
py::array_t<double> coordinate_dofs,
int cell_orientation);
py::array_t<double> tabulate_dof_coordinates(ufc::finite_element &instance,
py::array_t<double> coordinate_dofs);
py::array_t<double>
tabulate_reference_dof_coordinates(ufc::finite_element &instance);
// Add the Python submodule 'finite_element'
void finite_element(py::module& m)
{
// Wrap ufc classes
py::class_<ufc::finite_element, std::shared_ptr<ufc::finite_element>>
element(m, "finite_element");
// Wrap ufc::shape enum
py::enum_<ufc::shape> shape(m, "shape");
shape.value("interval", ufc::shape::interval);
shape.value("triangle", ufc::shape::triangle);
shape.value("tetrahedon", ufc::shape::tetrahedron);
shape.value("quadrilateral", ufc::shape::quadrilateral);
shape.value("hexahedron", ufc::shape::hexahedron);
shape.value("vertex", ufc::shape::vertex);
// Expose ufc::finite_element functions
element.def("signature", &ufc::finite_element::signature);
element.def("cell_shape", &ufc::finite_element::cell_shape);
element.def("topological_dimension", &ufc::finite_element::topological_dimension);
element.def("geometric_dimension", &ufc::finite_element::geometric_dimension);
element.def("space_dimension", &ufc::finite_element::space_dimension);
element.def("value_rank", &ufc::finite_element::value_rank);
element.def("value_dimension", &ufc::finite_element::value_dimension);
element.def("value_size", &ufc::finite_element::value_size);
element.def("reference_value_rank", &ufc::finite_element::reference_value_rank);
element.def("reference_value_dimension", &ufc::finite_element::reference_value_dimension);
element.def("reference_value_size", &ufc::finite_element::reference_value_size);
element.def("degree", &ufc::finite_element::degree);
element.def("family", &ufc::finite_element::family);
element.def("evaluate_reference_basis", &ufc_wrappers::evaluate_reference_basis,
"evaluate reference basis");
element.def("evaluate_reference_basis_derivatives",
&ufc_wrappers::evaluate_reference_basis_derivatives,
"evaluate reference basis");
element.def("transform_reference_basis_derivatives",
&ufc_wrappers::transform_reference_basis_derivatives,
"transform reference basis derivatives");
element.def("evaluate_basis", &ufc_wrappers::evaluate_basis, "evaluate basis");
element.def("evaluate_basis_all", &ufc_wrappers::evaluate_basis_all,
"evaluate basis all");
element.def("evaluate_basis_derivatives", &ufc_wrappers::evaluate_basis_derivatives,
"evaluate basis derivatives");
element.def("evaluate_basis_derivatives_all", &ufc_wrappers::evaluate_basis_derivatives_all,
"evaluate basis derivatives all");
element.def("evaluate_dof", &ufc_wrappers::evaluate_dof, "evaluate dof");
element.def("evaluate_dofs", &ufc_wrappers::evaluate_dofs, "evaluate dofs");
element.def("interpolate_vertex_values", &ufc_wrappers::interpolate_vertex_values,
"interpolate vertex values");
element.def("tabulate_dof_coordinates", &ufc_wrappers::tabulate_dof_coordinates,
"tabulate dof coordinates");
element.def("tabulate_reference_dof_coordinates",
&ufc_wrappers::tabulate_reference_dof_coordinates,
"tabulate reference dof coordinates");
element.def("num_sub_elements", &ufc::finite_element::num_sub_elements);
element.def("create_sub_element", &ufc::finite_element::create_sub_element,
py::return_value_policy::take_ownership);
element.def("create", &ufc::finite_element::create,
py::return_value_policy::take_ownership);
}
}
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