Narayan Kamath | c981c48 | 2012-11-02 10:59:05 +0000 | [diff] [blame] | 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@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) |
Carlos Hernandez | 7faaa9f | 2014-08-05 17:53:32 -0700 | [diff] [blame] | 16 | VERIFY(std::ptrdiff_t(sizeof(MatrixType))==std::ptrdiff_t(sizeof(Scalar))*std::ptrdiff_t(MatrixType::SizeAtCompileTime)); |
Narayan Kamath | c981c48 | 2012-11-02 10:59:05 +0000 | [diff] [blame] | 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 | } |