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muSpectre/tests/test_statefields.cc
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test_statefields.cc
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/**
* file test_statefields.cc
*
* @author Till Junge <till.junge@epfl.ch>
*
* @date 01 Mar 2018
*
* @brief Test the StateField abstraction and the associated maps
*
* @section LICENSE
*
* 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/field.hh"
#include "common/field_collection.hh"
#include "common/statefield.hh"
#include "common/ccoord_operations.hh"
#include "tests.hh"
#include <boost/mpl/list.hpp>
#include <type_traits>
namespace muSpectre {
template <Dim_t DimS, Dim_t DimM, bool Global>
struct SF_Fixture {
using FC_t = std::conditional_t<Global,
GlobalFieldCollection<DimS>,
LocalFieldCollection<DimS>>;
using Field_t = TensorField<FC_t, Real, secondOrder, DimM>;
using ScalField_t = ScalarField<FC_t, Real>;
constexpr static size_t nb_mem{2};
constexpr static Dim_t sdim{DimS};
constexpr static Dim_t mdim{DimM};
constexpr static bool global{Global};
SF_Fixture()
:fc{}, sf("prefix", fc), scalar_f("scalar", fc), self{*this} {}
FC_t fc;
StateField<Field_t, nb_mem> sf;
StateField<ScalField_t, nb_mem> scalar_f;
SF_Fixture & self;
};
using typelist = boost::mpl::list<SF_Fixture< twoD, twoD, false>,
SF_Fixture< twoD, threeD, false>,
SF_Fixture<threeD, threeD, false>,
SF_Fixture< twoD, twoD, true>,
SF_Fixture< twoD, threeD, true>,
SF_Fixture<threeD, threeD, true>>;
BOOST_FIXTURE_TEST_CASE_TEMPLATE(constructor_test, Fix, typelist, Fix) {
BOOST_CHECK_EQUAL("prefix", Fix::sf.get_prefix());
}
namespace internal {
template <bool global, class Fixture_t>
struct init{
static void run(Fixture_t & fix) {
constexpr Dim_t dim{std::remove_reference_t<Fixture_t>::sdim};
fix.fc.initialise(CcoordOps::get_cube<dim>(3));
}
};
template <class Fixture_t>
struct init<false, Fixture_t>{
static void run(Fixture_t & fix) {
constexpr Dim_t dim{std::remove_reference_t<Fixture_t>::sdim};
CcoordOps::Pixels<dim> pixels(CcoordOps::get_cube<dim>(3));
for (auto && pix: pixels) {
fix.fc.add_pixel(pix);
}
fix.fc.initialise();
}
};
} // internal
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_iteration, Fix, typelist, Fix) {
internal::init<Fix::global, decltype(Fix::self)>::run(Fix::self);
constexpr Dim_t mdim{Fix::mdim};
constexpr bool verbose{false};
using StateFMap = StateFieldMap<
MatrixFieldMap<typename Fix::FC_t, Real, mdim, mdim>, Fix::nb_mem>;
StateFMap matrix_map(Fix::sf);
for (size_t i = 0; i < Fix::nb_mem+1; ++i) {
for (auto && wrapper: matrix_map) {
wrapper.current() += (i+1)*wrapper.current().Identity();
if (verbose) {
std::cout << "pixel " << wrapper.get_ccoord() << ", memory cycle " << i << std::endl;
std::cout << wrapper.current() << std::endl;
std::cout << wrapper.old() << std::endl;
std::cout << wrapper.template old<2>() << std::endl << std::endl;
}
}
Fix::sf.cycle();
}
for (auto && wrapper: matrix_map) {
auto I{wrapper.current().Identity()};
Real error{(wrapper.current() - I).norm()};
BOOST_CHECK_LT(error, tol);
error = (wrapper.old() - 3*I).norm();
BOOST_CHECK_LT(error, tol);
error = (wrapper.template old<2>() - 2* I).norm();
BOOST_CHECK_LT(error, tol);
}
}
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_default_map, Fix, typelist, Fix) {
internal::init<Fix::global, decltype(Fix::self)>::run(Fix::self);
constexpr bool verbose{false};
auto matrix_map{Fix::sf.get_map()};
for (size_t i = 0; i < Fix::nb_mem+1; ++i) {
for (auto && wrapper: matrix_map) {
wrapper.current() += (i+1)*wrapper.current().Identity();
if (verbose) {
std::cout << "pixel " << wrapper.get_ccoord() << ", memory cycle " << i << std::endl;
std::cout << wrapper.current() << std::endl;
std::cout << wrapper.old() << std::endl;
std::cout << wrapper.template old<2>() << std::endl << std::endl;
}
}
Fix::sf.cycle();
}
auto matrix_const_map{Fix::sf.get_const_map()};
for (auto && wrapper: matrix_const_map) {
auto I{wrapper.current().Identity()};
Real error{(wrapper.current() - I).norm()};
BOOST_CHECK_LT(error, tol);
error = (wrapper.old() - 3*I).norm();
BOOST_CHECK_LT(error, tol);
error = (wrapper.template old<2>() - 2* I).norm();
BOOST_CHECK_LT(error, tol);
}
}
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_scalar_map, Fix, typelist, Fix) {
internal::init<Fix::global, decltype(Fix::self)>::run(Fix::self);
constexpr bool verbose{false};
auto scalar_map{Fix::scalar_f.get_map()};
for (size_t i = 0; i < Fix::nb_mem+1; ++i) {
for (auto && wrapper: scalar_map) {
wrapper.current() += (i+1);
if (verbose) {
std::cout << "pixel " << wrapper.get_ccoord() << ", memory cycle " << i << std::endl;
std::cout << wrapper.current() << std::endl;
std::cout << wrapper.old() << std::endl;
std::cout << wrapper.template old<2>() << std::endl << std::endl;
}
}
Fix::scalar_f.cycle();
}
auto scalar_const_map{Fix::scalar_f.get_const_map()};
BOOST_CHECK_EQUAL(scalar_const_map[0].current(), scalar_const_map[1].current());
for (auto wrapper: scalar_const_map) {
Real error{wrapper.current() - 1};
BOOST_CHECK_LT(error, tol);
error = wrapper.old() - 3;
BOOST_CHECK_LT(error, tol);
error = wrapper.template old<2>() - 2;
BOOST_CHECK_LT(error, tol);
}
}
} // muSpectre
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