mirror of
https://gitlab.com/libeigen/eigen.git
synced 2024-11-21 03:11:25 +08:00
57 lines
2.2 KiB
C++
57 lines
2.2 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
|
|
// for linear algebra.
|
|
//
|
|
// Copyright (C) 2010 Hauke Heibel <hauke.heibel@gmail.com>
|
|
//
|
|
// Eigen 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.
|
|
//
|
|
// Alternatively, 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.
|
|
//
|
|
// Eigen 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 or the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License and a copy of the GNU General Public License along with
|
|
// Eigen. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#include "main.h"
|
|
|
|
template <typename MatrixType> void run_nesting_ops(const MatrixType& _m)
|
|
{
|
|
typename MatrixType::Nested m(_m);
|
|
typedef typename MatrixType::Scalar Scalar;
|
|
|
|
#ifdef NDEBUG
|
|
const bool is_debug = false;
|
|
#else
|
|
const bool is_debug = true;
|
|
#endif
|
|
|
|
// Make really sure that we are in debug mode! We don't want any type of
|
|
// inlining for these tests to pass.
|
|
VERIFY(is_debug);
|
|
|
|
// The only intention of these tests is to ensure that this code does
|
|
// not trigger any asserts or segmentation faults... more to come.
|
|
VERIFY_IS_APPROX( (m.transpose() * m).diagonal().sum(), (m.transpose() * m).diagonal().sum() );
|
|
VERIFY_IS_APPROX( (m.transpose() * m).diagonal().array().abs().sum(), (m.transpose() * m).diagonal().array().abs().sum() );
|
|
|
|
VERIFY_IS_APPROX( (m.transpose() * m).array().abs().sum(), (m.transpose() * m).array().abs().sum() );
|
|
}
|
|
|
|
void test_nesting_ops()
|
|
{
|
|
CALL_SUBTEST_1(run_nesting_ops(MatrixXf::Random(25,25)));
|
|
CALL_SUBTEST_2(run_nesting_ops(MatrixXd::Random(25,25)));
|
|
CALL_SUBTEST_3(run_nesting_ops(Matrix4f::Random()));
|
|
CALL_SUBTEST_4(run_nesting_ops(Matrix4d::Random()));
|
|
}
|