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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra. Eigen itself is part of the KDE project.
//
// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr>
//
// 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"
#include <Eigen/Array>
template<typename MatrixType> void scalarAdd(const MatrixType& m)
{
/* this test covers the following files:
Array.cpp
*/
typedef typename MatrixType::Scalar Scalar;
typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
int rows = m.rows();
int cols = m.cols();
MatrixType m1 = MatrixType::Random(rows, cols),
m2 = MatrixType::Random(rows, cols),
m3(rows, cols);
Scalar s1 = ei_random<Scalar>(),
s2 = ei_random<Scalar>();
VERIFY_IS_APPROX(m1.cwise() + s1, s1 + m1.cwise());
VERIFY_IS_APPROX(m1.cwise() + s1, MatrixType::Constant(rows,cols,s1) + m1);
VERIFY_IS_APPROX((m1*Scalar(2)).cwise() - s2, (m1+m1) - MatrixType::Constant(rows,cols,s2) );
m3 = m1;
m3.cwise() += s2;
VERIFY_IS_APPROX(m3, m1.cwise() + s2);
m3 = m1;
m3.cwise() -= s1;
VERIFY_IS_APPROX(m3, m1.cwise() - s1);
VERIFY_IS_APPROX(m1.colwise().sum().sum(), m1.sum());
VERIFY_IS_APPROX(m1.rowwise().sum().sum(), m1.sum());
VERIFY_IS_NOT_APPROX((m1.rowwise().sum()*2).sum(), m1.sum());
VERIFY_IS_APPROX(m1.colwise().sum(), m1.colwise().redux(ei_scalar_sum_op<Scalar>()));
}
template<typename MatrixType> void comparisons(const MatrixType& m)
{
typedef typename MatrixType::Scalar Scalar;
typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
int rows = m.rows();
int cols = m.cols();
int r = ei_random<int>(0, rows-1),
c = ei_random<int>(0, cols-1);
MatrixType m1 = MatrixType::Random(rows, cols),
m2 = MatrixType::Random(rows, cols),
m3(rows, cols);
VERIFY(((m1.cwise() + Scalar(1)).cwise() > m1).all());
VERIFY(((m1.cwise() - Scalar(1)).cwise() < m1).all());
if (rows*cols>1)
{
m3 = m1;
m3(r,c) += 1;
VERIFY(! (m1.cwise() < m3).all() );
VERIFY(! (m1.cwise() > m3).all() );
}
}
void test_array()
{
for(int i = 0; i < g_repeat; i++) {
CALL_SUBTEST( scalarAdd(Matrix<float, 1, 1>()) );
CALL_SUBTEST( scalarAdd(Matrix2f()) );
CALL_SUBTEST( scalarAdd(Matrix4d()) );
CALL_SUBTEST( scalarAdd(MatrixXcf(3, 3)) );
CALL_SUBTEST( scalarAdd(MatrixXf(8, 12)) );
CALL_SUBTEST( scalarAdd(MatrixXi(8, 12)) );
}
for(int i = 0; i < g_repeat; i++) {
CALL_SUBTEST( comparisons(Matrix<float, 1, 1>()) );
CALL_SUBTEST( comparisons(Matrix2f()) );
CALL_SUBTEST( comparisons(Matrix4d()) );
CALL_SUBTEST( comparisons(MatrixXf(8, 12)) );
CALL_SUBTEST( comparisons(MatrixXi(8, 12)) );
}
}
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