diff options
author | Gael Guennebaud <g.gael@free.fr> | 2009-03-05 10:25:22 +0000 |
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committer | Gael Guennebaud <g.gael@free.fr> | 2009-03-05 10:25:22 +0000 |
commit | 0be89a4796543a7e7b8c244d3f1aabcf672cf114 (patch) | |
tree | 71333c6903892087dfd7f7a9343e390f0a4a6866 /test/array_replicate.cpp | |
parent | d710ccd41e0819024ee168dafe7e7e5b8a7f0e45 (diff) |
big addons:
* add Homogeneous expression for vector and set of vectors (aka matrix)
=> the next step will be to overload operator*
* add homogeneous normalization (again for vector and set of vectors)
* add a Replicate expression (with uni-directional replication
facilities)
=> for all of them I'll add examples once we agree on the API
* fix gcc-4.4 warnings
* rename reverse.cpp array_reverse.cpp
Diffstat (limited to 'test/array_replicate.cpp')
-rw-r--r-- | test/array_replicate.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/test/array_replicate.cpp b/test/array_replicate.cpp new file mode 100644 index 000000000..e8d0f33cb --- /dev/null +++ b/test/array_replicate.cpp @@ -0,0 +1,86 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. Eigen itself is part of the KDE project. +// +// Copyright (C) 2009 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 replicate(const MatrixType& m) +{ + /* this test covers the following files: + Replicate.cpp + */ + + typedef typename MatrixType::Scalar Scalar; + typedef typename NumTraits<Scalar>::Real RealScalar; + typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType; + typedef Matrix<Scalar, Dynamic, Dynamic> MatrixX; + typedef Matrix<Scalar, Dynamic, 1> VectorX; + + int rows = m.rows(); + int cols = m.cols(); + + MatrixType m1 = MatrixType::Random(rows, cols), + m2 = MatrixType::Random(rows, cols); + + VectorType v1 = VectorType::Random(rows); + + MatrixX x1, x2; + VectorX vx1; + + int f1 = ei_random<int>(1,10), + f2 = ei_random<int>(1,10); + + x1.resize(rows*f1,cols*f2); + for(int j=0; j<f2; j++) + for(int i=0; i<f1; i++) + x1.block(i*rows,j*cols,rows,cols) = m1; + VERIFY_IS_APPROX(x1, m1.replicate(f1,f2)); + + x2.resize(2*rows,3*cols); + x2 << m2, m2, m2, + m2, m2, m2; + VERIFY_IS_APPROX(x2, (m2.template replicate<2,3>())); + + x2.resize(rows,f1); + for (int j=0; j<f1; ++j) + x2.col(j) = v1; + VERIFY_IS_APPROX(x2, v1.rowwise().replicate(f1)); + + vx1.resize(rows*f2); + for (int j=0; j<f2; ++j) + vx1.segment(j*rows,rows) = v1; + VERIFY_IS_APPROX(vx1, v1.colwise().replicate(f2)); +} + +void test_array_replicate() +{ + for(int i = 0; i < g_repeat; i++) { + CALL_SUBTEST( replicate(Matrix<float, 1, 1>()) ); + CALL_SUBTEST( replicate(Vector2f()) ); + CALL_SUBTEST( replicate(Vector3d()) ); + CALL_SUBTEST( replicate(Vector4f()) ); + CALL_SUBTEST( replicate(VectorXf(16)) ); + CALL_SUBTEST( replicate(VectorXcd(10)) ); + } +} |