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// This file is triangularView of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2010 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include "main.h"
// This file tests the basic selfadjointView API,
// the related products and decompositions are tested in specific files.
template<typename MatrixType> void selfadjoint(const MatrixType& m)
{
typedef typename MatrixType::Index Index;
typedef typename MatrixType::Scalar Scalar;
Index rows = m.rows();
Index cols = m.cols();
MatrixType m1 = MatrixType::Random(rows, cols),
m2 = MatrixType::Random(rows, cols),
m3(rows, cols),
m4(rows, cols);
m1.diagonal() = m1.diagonal().real().template cast<Scalar>();
// check selfadjoint to dense
m3 = m1.template selfadjointView<Upper>();
VERIFY_IS_APPROX(MatrixType(m3.template triangularView<Upper>()), MatrixType(m1.template triangularView<Upper>()));
VERIFY_IS_APPROX(m3, m3.adjoint());
m3 = m1.template selfadjointView<Lower>();
VERIFY_IS_APPROX(MatrixType(m3.template triangularView<Lower>()), MatrixType(m1.template triangularView<Lower>()));
VERIFY_IS_APPROX(m3, m3.adjoint());
m3 = m1.template selfadjointView<Upper>();
m4 = m2;
m4 += m1.template selfadjointView<Upper>();
VERIFY_IS_APPROX(m4, m2+m3);
m3 = m1.template selfadjointView<Lower>();
m4 = m2;
m4 -= m1.template selfadjointView<Lower>();
VERIFY_IS_APPROX(m4, m2-m3);
}
void bug_159()
{
Matrix3d m = Matrix3d::Random().selfadjointView<Lower>();
EIGEN_UNUSED_VARIABLE(m)
}
void test_selfadjoint()
{
for(int i = 0; i < g_repeat ; i++)
{
int s = internal::random<int>(1,EIGEN_TEST_MAX_SIZE);
CALL_SUBTEST_1( selfadjoint(Matrix<float, 1, 1>()) );
CALL_SUBTEST_2( selfadjoint(Matrix<float, 2, 2>()) );
CALL_SUBTEST_3( selfadjoint(Matrix3cf()) );
CALL_SUBTEST_4( selfadjoint(MatrixXcd(s,s)) );
CALL_SUBTEST_5( selfadjoint(Matrix<float,Dynamic,Dynamic,RowMajor>(s, s)) );
TEST_SET_BUT_UNUSED_VARIABLE(s)
}
CALL_SUBTEST_1( bug_159() );
}
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