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      1 // This file is part of Eigen, a lightweight C++ template library
      2 // for linear algebra.
      3 //
      4 // Copyright (C) 2015 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 using internal::is_same_dense;
     13 
     14 void test_is_same_dense()
     15 {
     16   typedef Matrix<double,Dynamic,Dynamic,ColMajor> ColMatrixXd;
     17   ColMatrixXd m1(10,10);
     18   Ref<ColMatrixXd> ref_m1(m1);
     19   Ref<const ColMatrixXd> const_ref_m1(m1);
     20   VERIFY(is_same_dense(m1,m1));
     21   VERIFY(is_same_dense(m1,ref_m1));
     22   VERIFY(is_same_dense(const_ref_m1,m1));
     23   VERIFY(is_same_dense(const_ref_m1,ref_m1));
     24 
     25   VERIFY(is_same_dense(m1.block(0,0,m1.rows(),m1.cols()),m1));
     26   VERIFY(!is_same_dense(m1.row(0),m1.col(0)));
     27 
     28   Ref<const ColMatrixXd> const_ref_m1_row(m1.row(1));
     29   VERIFY(!is_same_dense(m1.row(1),const_ref_m1_row));
     30 
     31   Ref<const ColMatrixXd> const_ref_m1_col(m1.col(1));
     32   VERIFY(is_same_dense(m1.col(1),const_ref_m1_col));
     33 }
     34