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      1 // This file is part of Eigen, a lightweight C++ template library
      2 // for linear algebra. Eigen itself is part of the KDE project.
      3 //
      4 // Copyright (C) 2008 Gael Guennebaud <g.gael (at) free.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 verifySizeOf(const MatrixType&)
     13 {
     14   typedef typename MatrixType::Scalar Scalar;
     15   if (MatrixType::RowsAtCompileTime!=Dynamic && MatrixType::ColsAtCompileTime!=Dynamic)
     16     VERIFY(sizeof(MatrixType)==sizeof(Scalar)*MatrixType::SizeAtCompileTime);
     17   else
     18     VERIFY(sizeof(MatrixType)==sizeof(Scalar*) + 2 * sizeof(typename MatrixType::Index));
     19 }
     20 
     21 void test_eigen2_sizeof()
     22 {
     23   CALL_SUBTEST( verifySizeOf(Matrix<float, 1, 1>()) );
     24   CALL_SUBTEST( verifySizeOf(Matrix4d()) );
     25   CALL_SUBTEST( verifySizeOf(Matrix<double, 4, 2>()) );
     26   CALL_SUBTEST( verifySizeOf(Matrix<bool, 7, 5>()) );
     27   CALL_SUBTEST( verifySizeOf(MatrixXcf(3, 3)) );
     28   CALL_SUBTEST( verifySizeOf(MatrixXi(8, 12)) );
     29   CALL_SUBTEST( verifySizeOf(MatrixXcd(20, 20)) );
     30   CALL_SUBTEST( verifySizeOf(Matrix<float, 100, 100>()) );
     31 }
     32