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test_ccoord_operations.cc
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Tue, Nov 19, 04:39

test_ccoord_operations.cc
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/**
* file test_ccoord_operations.cc
*
* @author Till Junge <till.junge@altermail.ch>
*
* @date 03 Dec 2017
*
* @brief tests for cell coordinate operations
*
* @section LICENCE
*
* Copyright © 2017 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 <iostream>
#include "common/common.hh"
#include "common/ccoord_operations.hh"
#include "common/test_goodies.hh"
#include "tests.hh"
namespace muSpectre {
BOOST_AUTO_TEST_SUITE(ccoords_operations);
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_cube, Fix, testGoodies::dimlist, Fix) {
constexpr auto dim{Fix::dim};
using Ccoord = Ccoord_t<dim>;
constexpr Dim_t size{5};
constexpr Ccoord cube = CcoordOps::get_cube<dim>(size);
Ccoord ref_cube;
for (Dim_t i = 0; i < dim; ++i) {
ref_cube[i] = size;
}
BOOST_CHECK_EQUAL_COLLECTIONS(ref_cube.begin(), ref_cube.end(),
cube.begin(), cube.end());
}
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_hermitian, Fix, testGoodies::dimlist,
Fix) {
constexpr auto dim{Fix::dim};
using Ccoord = Ccoord_t<dim>;
constexpr Dim_t size{5};
constexpr Ccoord cube = CcoordOps::get_cube<dim>(size);
constexpr Ccoord herm = CcoordOps::get_hermitian_sizes(cube);
Ccoord ref_cube = cube;
ref_cube.back() = (cube.back() + 1) / 2;
BOOST_CHECK_EQUAL_COLLECTIONS(ref_cube.begin(), ref_cube.end(),
herm.begin(), herm.end());
}
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_size, Fix, testGoodies::dimlist,
Fix) {
constexpr auto dim{Fix::dim};
using Ccoord = Ccoord_t<dim>;
constexpr Dim_t size{5};
constexpr Ccoord cube = CcoordOps::get_cube<dim>(size);
BOOST_CHECK_EQUAL(CcoordOps::get_size(cube),
ipow(size, dim));
}
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_stride_size, Fix, testGoodies::dimlist, Fix) {
constexpr auto dim{Fix::dim};
using Ccoord = Ccoord_t<dim>;
constexpr Dim_t size{5};
constexpr Ccoord cube = CcoordOps::get_cube<dim>(size);
constexpr Ccoord stride = CcoordOps::get_default_strides(cube);
BOOST_CHECK_EQUAL(CcoordOps::get_size_from_strides(cube, stride),
ipow(size, dim));
}
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_index, Fix, testGoodies::dimlist, Fix) {
constexpr auto dim{Fix::dim};
using Ccoord = Ccoord_t<dim>;
testGoodies::RandRange<Dim_t> rng;
Ccoord sizes{};
for (Dim_t i{0}; i < dim; ++i) {
sizes[i] = rng.randval(2, 5);
}
Ccoord stride = CcoordOps::get_default_strides(sizes);
const size_t nb_pix{CcoordOps::get_size(sizes)};
for (size_t i {0}; i < nb_pix ; ++i) {
BOOST_CHECK_EQUAL(i,
CcoordOps::get_index_from_strides
(stride, CcoordOps::get_ccoord(sizes, i)));
}
}
BOOST_AUTO_TEST_CASE(vector_test) {
constexpr Ccoord_t<threeD> c3{1, 2, 3};
constexpr Ccoord_t<twoD> c2{c3[0], c3[1]};
constexpr Rcoord_t<threeD> s3{1.3, 2.8, 5.7};
constexpr Rcoord_t<twoD> s2{s3[0], s3[1]};
Eigen::Matrix<Real, twoD, 1> v2; v2 << s3[0], s3[1];
Eigen::Matrix<Real, threeD, 1> v3; v3 << s3[0], s3[1], s3[2];
auto vec2{CcoordOps::get_vector(c2, v2(1))};
auto vec3{CcoordOps::get_vector(c3, v3(1))};
for (Dim_t i = 0; i < twoD; ++i) {
BOOST_CHECK_EQUAL(c2[i]*v2(1), vec2[i]);
}
for (Dim_t i = 0; i < threeD; ++i) {
BOOST_CHECK_EQUAL(c3[i]*v3(1), vec3[i]);
}
vec2 = CcoordOps::get_vector(c2, v2);
vec3 = CcoordOps::get_vector(c3, v3);
for (Dim_t i = 0; i < twoD; ++i) {
BOOST_CHECK_EQUAL(c2[i]*v2(i), vec2[i]);
BOOST_CHECK_EQUAL(vec2[i], CcoordOps::get_vector(c2, s2)[i]);
}
for (Dim_t i = 0; i < threeD; ++i) {
BOOST_CHECK_EQUAL(c3[i]*v3(i), vec3[i]);
BOOST_CHECK_EQUAL(vec3[i], CcoordOps::get_vector(c3, s3)[i]);
}
}
BOOST_AUTO_TEST_SUITE_END();
} // muSpectre

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