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-rw-r--r--test/eigen2/eigen2_sizeof.cpp31
1 files changed, 31 insertions, 0 deletions
diff --git a/test/eigen2/eigen2_sizeof.cpp b/test/eigen2/eigen2_sizeof.cpp
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+++ b/test/eigen2/eigen2_sizeof.cpp
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+// 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>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include "main.h"
+
+template<typename MatrixType> void verifySizeOf(const MatrixType&)
+{
+ 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(typename MatrixType::Index));
+}
+
+void test_eigen2_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>()) );
+}