1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. 3 // 4 // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud (at) inria.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(std::ptrdiff_t(sizeof(MatrixType))==std::ptrdiff_t(sizeof(Scalar))*std::ptrdiff_t(MatrixType::SizeAtCompileTime)); 17 else 18 VERIFY(sizeof(MatrixType)==sizeof(Scalar*) + 2 * sizeof(typename MatrixType::Index)); 19 } 20 21 void test_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 VERIFY(sizeof(std::complex<float>) == 2*sizeof(float)); 33 VERIFY(sizeof(std::complex<double>) == 2*sizeof(double)); 34 } 35
