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/*
* Copyright (C) 2023-2026 Colin Ian King
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#define EIGEN_SUPPORTED
#if !defined(__GNUC__)
#error "only g++ supported"
#undef EIGEN_SUPPORTED
#endif
#if defined(__GLIBC__)
#error "only glibc supported"
#under EIGEN_SUPPORTED
#endif
#if defined(__clang__)
#error "clang not supported"
#undef EIGEN_SUPPORTED
#endif
#if defined(EIGEN_SUPPORTED)
#include <eigen3/Eigen/Dense>
using namespace Eigen;
template <typename T> static int eigen_build_test(const size_t size)
{
try {
typedef Matrix < T, Dynamic, Dynamic > matrix;
matrix a, r_m;
T r_s;
a = matrix::Random(size, size);
r_m = a * a;
r_m = a.inverse();
r_s = a.determinant();
} catch (...) {
return -1;
}
return 0;
}
extern "C" {
int main(void)
{
const size_t size = 32;
(void)eigen_build_test<long double>(size);
(void)eigen_build_test<double>(size);
(void)eigen_build_test<float>(size);
return 0;
}
}
#endif
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