1// This file is part of Eigen, a lightweight C++ template library
2// for linear algebra.
3//
4// Copyright (C) 2009 Keir Mierle <mierle@gmail.com>
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
12template<DenseIndex rows, DenseIndex cols>
13void resizeLikeTest()
14{
15  MatrixXf A(rows, cols);
16  MatrixXf B;
17  Matrix<double, rows, cols> C;
18  B.resizeLike(A);
19  C.resizeLike(B);  // Shouldn't crash.
20  VERIFY(B.rows() == rows && B.cols() == cols);
21
22  VectorXf x(rows);
23  RowVectorXf y;
24  y.resizeLike(x);
25  VERIFY(y.rows() == 1 && y.cols() == rows);
26
27  y.resize(cols);
28  x.resizeLike(y);
29  VERIFY(x.rows() == cols && x.cols() == 1);
30}
31
32void resizeLikeTest12() { resizeLikeTest<1,2>(); }
33void resizeLikeTest1020() { resizeLikeTest<10,20>(); }
34void resizeLikeTest31() { resizeLikeTest<3,1>(); }
35
36void test_resize()
37{
38  CALL_SUBTEST(resizeLikeTest12() );
39  CALL_SUBTEST(resizeLikeTest1020() );
40  CALL_SUBTEST(resizeLikeTest31() );
41}
42