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Diffstat (limited to 'test/sizeof.cpp')
-rw-r--r-- | test/sizeof.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/sizeof.cpp b/test/sizeof.cpp new file mode 100644 index 000000000..4aaeb2df0 --- /dev/null +++ b/test/sizeof.cpp @@ -0,0 +1,46 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. Eigen itself is part of the KDE project. +// +// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr> +// +// Eigen is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 3 of the License, or (at your option) any later version. +// +// Alternatively, you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 2 of +// the License, or (at your option) any later version. +// +// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License and a copy of the GNU General Public License along with +// Eigen. If not, see <http://www.gnu.org/licenses/>. + +#include "main.h" + +template<typename MatrixType> void verifySizeOf(const MatrixType& m) +{ + typedef typename MatrixType::Scalar Scalar; + if (MatrixType::RowsAtCompileTime!=Dynamic && MatrixType::ColsAtCompileTime!=Dynamic) + VERIFY(sizeof(MatrixType)==sizeof(Scalar)*MatrixType::SizeAtCompileTime); + else + VERIFY(sizeof(MatrixType)==sizeof(Scalar*) + 2 * sizeof(int)); +} + +void test_sizeof() +{ + CALL_SUBTEST( verifySizeOf(Matrix<float, 1, 1>()) ); + CALL_SUBTEST( verifySizeOf(Matrix4d()) ); + CALL_SUBTEST( verifySizeOf(Matrix<double, 4, 2>()) ); + CALL_SUBTEST( verifySizeOf(Matrix<bool, 7, 5>()) ); + CALL_SUBTEST( verifySizeOf(MatrixXcf(3, 3)) ); + CALL_SUBTEST( verifySizeOf(MatrixXi(8, 12)) ); + CALL_SUBTEST( verifySizeOf(MatrixXcd(20, 20)) ); + CALL_SUBTEST( verifySizeOf(Matrix<float, 100, 100>()) ); +} |