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108 lines
3.7 KiB
C++
108 lines
3.7 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) 2013 Hauke Heibel <hauke.heibel@gmail.com>
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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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#include <Eigen/Core>
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template <typename T, int Rows, int Cols>
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void dense_storage_copy()
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{
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static const int Size = ((Rows==Dynamic || Cols==Dynamic) ? Dynamic : Rows*Cols);
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typedef DenseStorage<T,Size, Rows,Cols, 0> DenseStorageType;
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const int rows = (Rows==Dynamic) ? 4 : Rows;
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const int cols = (Cols==Dynamic) ? 3 : Cols;
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const int size = rows*cols;
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DenseStorageType reference(size, rows, cols);
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T* raw_reference = reference.data();
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for (int i=0; i<size; ++i)
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raw_reference[i] = static_cast<T>(i);
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DenseStorageType copied_reference(reference);
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const T* raw_copied_reference = copied_reference.data();
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for (int i=0; i<size; ++i)
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VERIFY_IS_EQUAL(raw_reference[i], raw_copied_reference[i]);
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}
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template <typename T, int Rows, int Cols>
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void dense_storage_assignment()
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{
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static const int Size = ((Rows==Dynamic || Cols==Dynamic) ? Dynamic : Rows*Cols);
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typedef DenseStorage<T,Size, Rows,Cols, 0> DenseStorageType;
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const int rows = (Rows==Dynamic) ? 4 : Rows;
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const int cols = (Cols==Dynamic) ? 3 : Cols;
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const int size = rows*cols;
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DenseStorageType reference(size, rows, cols);
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T* raw_reference = reference.data();
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for (int i=0; i<size; ++i)
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raw_reference[i] = static_cast<T>(i);
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DenseStorageType copied_reference;
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copied_reference = reference;
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const T* raw_copied_reference = copied_reference.data();
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for (int i=0; i<size; ++i)
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VERIFY_IS_EQUAL(raw_reference[i], raw_copied_reference[i]);
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}
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template<typename T, int Size, std::size_t Alignment>
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void dense_storage_alignment()
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{
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#if EIGEN_HAS_ALIGNAS
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struct alignas(Alignment) Empty1 {};
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VERIFY_IS_EQUAL(std::alignment_of<Empty1>::value, Alignment);
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struct EIGEN_ALIGN_TO_BOUNDARY(Alignment) Empty2 {};
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VERIFY_IS_EQUAL(std::alignment_of<Empty2>::value, Alignment);
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struct Nested1 { EIGEN_ALIGN_TO_BOUNDARY(Alignment) T data[Size]; };
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VERIFY_IS_EQUAL(std::alignment_of<Nested1>::value, Alignment);
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VERIFY_IS_EQUAL( (std::alignment_of<internal::plain_array<T,Size,AutoAlign,Alignment> >::value), Alignment);
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const std::size_t default_alignment = internal::compute_default_alignment<T,Size>::value;
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VERIFY_IS_EQUAL( (std::alignment_of<DenseStorage<T,Size,1,1,AutoAlign> >::value), default_alignment);
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VERIFY_IS_EQUAL( (std::alignment_of<Matrix<T,Size,1,AutoAlign> >::value), default_alignment);
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struct Nested2 { Matrix<T,Size,1,AutoAlign> mat; };
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VERIFY_IS_EQUAL(std::alignment_of<Nested2>::value, default_alignment);
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#endif
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}
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EIGEN_DECLARE_TEST(dense_storage)
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{
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dense_storage_copy<int,Dynamic,Dynamic>();
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dense_storage_copy<int,Dynamic,3>();
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dense_storage_copy<int,4,Dynamic>();
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dense_storage_copy<int,4,3>();
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dense_storage_copy<float,Dynamic,Dynamic>();
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dense_storage_copy<float,Dynamic,3>();
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dense_storage_copy<float,4,Dynamic>();
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dense_storage_copy<float,4,3>();
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dense_storage_assignment<int,Dynamic,Dynamic>();
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dense_storage_assignment<int,Dynamic,3>();
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dense_storage_assignment<int,4,Dynamic>();
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dense_storage_assignment<int,4,3>();
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dense_storage_assignment<float,Dynamic,Dynamic>();
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dense_storage_assignment<float,Dynamic,3>();
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dense_storage_assignment<float,4,Dynamic>();
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dense_storage_assignment<float,4,3>();
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dense_storage_alignment<float,16,8>();
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dense_storage_alignment<float,16,16>();
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dense_storage_alignment<float,16,32>();
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dense_storage_alignment<float,16,64>();
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}
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