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 (at) 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 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 Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType; 20 typedef Matrix<Scalar, Dynamic, Dynamic> MatrixX; 21 typedef Matrix<Scalar, Dynamic, 1> VectorX; 22 23 Index rows = m.rows(); 24 Index cols = m.cols(); 25 26 MatrixType m1 = MatrixType::Random(rows, cols), 27 m2 = MatrixType::Random(rows, cols); 28 29 VectorType v1 = VectorType::Random(rows); 30 31 MatrixX x1, x2; 32 VectorX vx1; 33 34 int f1 = internal::random<int>(1,10), 35 f2 = internal::random<int>(1,10); 36 37 x1.resize(rows*f1,cols*f2); 38 for(int j=0; j<f2; j++) 39 for(int i=0; i<f1; i++) 40 x1.block(i*rows,j*cols,rows,cols) = m1; 41 VERIFY_IS_APPROX(x1, m1.replicate(f1,f2)); 42 43 x2.resize(2*rows,3*cols); 44 x2 << m2, m2, m2, 45 m2, m2, m2; 46 VERIFY_IS_APPROX(x2, (m2.template replicate<2,3>())); 47 48 x2.resize(rows,3*cols); 49 x2 << m2, m2, m2; 50 VERIFY_IS_APPROX(x2, (m2.template replicate<1,3>())); 51 52 vx1.resize(3*rows,cols); 53 vx1 << m2, m2, m2; 54 VERIFY_IS_APPROX(vx1+vx1, vx1+(m2.template replicate<3,1>())); 55 56 vx1=m2+(m2.colwise().replicate(1)); 57 58 if(m2.cols()==1) 59 VERIFY_IS_APPROX(m2.coeff(0), (m2.template replicate<3,1>().coeff(m2.rows()))); 60 61 x2.resize(rows,f1); 62 for (int j=0; j<f1; ++j) 63 x2.col(j) = v1; 64 VERIFY_IS_APPROX(x2, v1.rowwise().replicate(f1)); 65 66 vx1.resize(rows*f2); 67 for (int j=0; j<f2; ++j) 68 vx1.segment(j*rows,rows) = v1; 69 VERIFY_IS_APPROX(vx1, v1.colwise().replicate(f2)); 70 } 71 72 void test_array_replicate() 73 { 74 for(int i = 0; i < g_repeat; i++) { 75 CALL_SUBTEST_1( replicate(Matrix<float, 1, 1>()) ); 76 CALL_SUBTEST_2( replicate(Vector2f()) ); 77 CALL_SUBTEST_3( replicate(Vector3d()) ); 78 CALL_SUBTEST_4( replicate(Vector4f()) ); 79 CALL_SUBTEST_5( replicate(VectorXf(16)) ); 80 CALL_SUBTEST_6( replicate(VectorXcd(10)) ); 81 } 82 } 83
