1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2009 Gael Guennebaud <gael.guennebaud@inria.fr>
5 //
6 // This Source Code Form is subject to the terms of the Mozilla
7 // Public License v. 2.0. If a copy of the MPL was not distributed
8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
9
10 #include "main.h"
11
replicate(const MatrixType & m)12 template<typename MatrixType> void replicate(const MatrixType& m)
13 {
14 /* this test covers the following files:
15 Replicate.cpp
16 */
17 typedef typename MatrixType::Index Index;
18 typedef typename MatrixType::Scalar Scalar;
19 typedef typename NumTraits<Scalar>::Real RealScalar;
20 typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
21 typedef Matrix<Scalar, Dynamic, Dynamic> MatrixX;
22 typedef Matrix<Scalar, Dynamic, 1> VectorX;
23
24 Index rows = m.rows();
25 Index cols = m.cols();
26
27 MatrixType m1 = MatrixType::Random(rows, cols),
28 m2 = MatrixType::Random(rows, cols);
29
30 VectorType v1 = VectorType::Random(rows);
31
32 MatrixX x1, x2;
33 VectorX vx1;
34
35 int f1 = internal::random<int>(1,10),
36 f2 = internal::random<int>(1,10);
37
38 x1.resize(rows*f1,cols*f2);
39 for(int j=0; j<f2; j++)
40 for(int i=0; i<f1; i++)
41 x1.block(i*rows,j*cols,rows,cols) = m1;
42 VERIFY_IS_APPROX(x1, m1.replicate(f1,f2));
43
44 x2.resize(2*rows,3*cols);
45 x2 << m2, m2, m2,
46 m2, m2, m2;
47 VERIFY_IS_APPROX(x2, (m2.template replicate<2,3>()));
48
49 x2.resize(rows,f1);
50 for (int j=0; j<f1; ++j)
51 x2.col(j) = v1;
52 VERIFY_IS_APPROX(x2, v1.rowwise().replicate(f1));
53
54 vx1.resize(rows*f2);
55 for (int j=0; j<f2; ++j)
56 vx1.segment(j*rows,rows) = v1;
57 VERIFY_IS_APPROX(vx1, v1.colwise().replicate(f2));
58 }
59
test_array_replicate()60 void test_array_replicate()
61 {
62 for(int i = 0; i < g_repeat; i++) {
63 CALL_SUBTEST_1( replicate(Matrix<float, 1, 1>()) );
64 CALL_SUBTEST_2( replicate(Vector2f()) );
65 CALL_SUBTEST_3( replicate(Vector3d()) );
66 CALL_SUBTEST_4( replicate(Vector4f()) );
67 CALL_SUBTEST_5( replicate(VectorXf(16)) );
68 CALL_SUBTEST_6( replicate(VectorXcd(10)) );
69 }
70 }
71