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35 lines
1.3 KiB
C++
35 lines
1.3 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#include "main.h"
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template<typename MatrixType> void verifySizeOf(const MatrixType&)
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{
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typedef typename MatrixType::Scalar Scalar;
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if (MatrixType::RowsAtCompileTime!=Dynamic && MatrixType::ColsAtCompileTime!=Dynamic)
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VERIFY(std::ptrdiff_t(sizeof(MatrixType))==std::ptrdiff_t(sizeof(Scalar))*std::ptrdiff_t(MatrixType::SizeAtCompileTime));
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else
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VERIFY(sizeof(MatrixType)==sizeof(Scalar*) + 2 * sizeof(typename MatrixType::Index));
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}
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void test_sizeof()
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{
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CALL_SUBTEST(verifySizeOf(Matrix<float, 1, 1>()) );
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CALL_SUBTEST(verifySizeOf(Matrix4d()) );
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CALL_SUBTEST(verifySizeOf(Matrix<double, 4, 2>()) );
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CALL_SUBTEST(verifySizeOf(Matrix<bool, 7, 5>()) );
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CALL_SUBTEST(verifySizeOf(MatrixXcf(3, 3)) );
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CALL_SUBTEST(verifySizeOf(MatrixXi(8, 12)) );
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CALL_SUBTEST(verifySizeOf(MatrixXcd(20, 20)) );
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CALL_SUBTEST(verifySizeOf(Matrix<float, 100, 100>()) );
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VERIFY(sizeof(std::complex<float>) == 2*sizeof(float));
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VERIFY(sizeof(std::complex<double>) == 2*sizeof(double));
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}
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