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      1 // This file is part of Eigen, a lightweight C++ template library
      2 // for linear algebra.
      3 //
      4 // Copyright (C) 2009 Keir Mierle <mierle (at) 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 
     12 template<DenseIndex rows, DenseIndex cols>
     13 void 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 
     32 void resizeLikeTest12() { resizeLikeTest<1,2>(); }
     33 void resizeLikeTest1020() { resizeLikeTest<10,20>(); }
     34 void resizeLikeTest31() { resizeLikeTest<3,1>(); }
     35 
     36 void test_resize()
     37 {
     38   CALL_SUBTEST(resizeLikeTest12() );
     39   CALL_SUBTEST(resizeLikeTest1020() );
     40   CALL_SUBTEST(resizeLikeTest31() );
     41 }
     42