| 1 | // This file is part of Eigen, a lightweight C++ template library
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| 2 | // for linear algebra.
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| 3 | //
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| 4 | // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
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| 5 | //
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| 6 | // This Source Code Form is subject to the terms of the Mozilla
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| 7 | // Public License v. 2.0. If a copy of the MPL was not distributed
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| 8 | // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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| 9 |
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| 10 | #include "main.h"
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| 11 |
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| 12 | template<typename MatrixType> void verifySizeOf(const MatrixType&)
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| 13 | {
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| 14 | typedef typename MatrixType::Scalar Scalar;
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| 15 | if (MatrixType::RowsAtCompileTime!=Dynamic && MatrixType::ColsAtCompileTime!=Dynamic)
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| 16 | VERIFY(std::ptrdiff_t(sizeof(MatrixType))==std::ptrdiff_t(sizeof(Scalar))*std::ptrdiff_t(MatrixType::SizeAtCompileTime));
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| 17 | else
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| 18 | VERIFY(sizeof(MatrixType)==sizeof(Scalar*) + 2 * sizeof(typename MatrixType::Index));
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| 19 | }
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| 20 |
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| 21 | void test_sizeof()
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| 22 | {
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| 23 | CALL_SUBTEST(verifySizeOf(Matrix<float, 1, 1>()) );
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| 24 | CALL_SUBTEST(verifySizeOf(Matrix4d()) );
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| 25 | CALL_SUBTEST(verifySizeOf(Matrix<double, 4, 2>()) );
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| 26 | CALL_SUBTEST(verifySizeOf(Matrix<bool, 7, 5>()) );
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| 27 | CALL_SUBTEST(verifySizeOf(MatrixXcf(3, 3)) );
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| 28 | CALL_SUBTEST(verifySizeOf(MatrixXi(8, 12)) );
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| 29 | CALL_SUBTEST(verifySizeOf(MatrixXcd(20, 20)) );
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| 30 | CALL_SUBTEST(verifySizeOf(Matrix<float, 100, 100>()) );
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| 31 |
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| 32 | VERIFY(sizeof(std::complex<float>) == 2*sizeof(float));
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| 33 | VERIFY(sizeof(std::complex<double>) == 2*sizeof(double));
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| 34 | }
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