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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2013 Hauke Heibel <hauke.heibel@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include "main.h"
#include "AnnoyingScalar.h"
#include "SafeScalar.h"
#include <Eigen/Core>
#if EIGEN_HAS_TYPE_TRAITS && EIGEN_HAS_CXX11
using DenseStorageD3x3 = Eigen::DenseStorage<double, 3, 3, 3, 3>;
static_assert(std::is_trivially_move_constructible<DenseStorageD3x3>::value, "DenseStorage not trivially_move_constructible");
static_assert(std::is_trivially_move_assignable<DenseStorageD3x3>::value, "DenseStorage not trivially_move_assignable");
#if !defined(EIGEN_DENSE_STORAGE_CTOR_PLUGIN)
static_assert(std::is_trivially_copy_constructible<DenseStorageD3x3>::value, "DenseStorage not trivially_copy_constructible");
static_assert(std::is_trivially_copy_assignable<DenseStorageD3x3>::value, "DenseStorage not trivially_copy_assignable");
static_assert(std::is_trivially_copyable<DenseStorageD3x3>::value, "DenseStorage not trivially_copyable");
#endif
#endif
template <typename T, int Size, int Rows, int Cols>
void dense_storage_copy(int rows, int cols)
{
typedef DenseStorage<T, Size, Rows, Cols, 0> DenseStorageType;
const int size = rows*cols;
DenseStorageType reference(size, rows, cols);
T* raw_reference = reference.data();
for (int i=0; i<size; ++i)
raw_reference[i] = static_cast<T>(i);
DenseStorageType copied_reference(reference);
const T* raw_copied_reference = copied_reference.data();
for (int i=0; i<size; ++i)
VERIFY_IS_EQUAL(raw_reference[i], raw_copied_reference[i]);
}
template <typename T, int Size, int Rows, int Cols>
void dense_storage_assignment(int rows, int cols)
{
typedef DenseStorage<T, Size, Rows, Cols, 0> DenseStorageType;
const int size = rows*cols;
DenseStorageType reference(size, rows, cols);
T* raw_reference = reference.data();
for (int i=0; i<size; ++i)
raw_reference[i] = static_cast<T>(i);
DenseStorageType copied_reference;
copied_reference = reference;
const T* raw_copied_reference = copied_reference.data();
for (int i=0; i<size; ++i)
VERIFY_IS_EQUAL(raw_reference[i], raw_copied_reference[i]);
}
template <typename T, int Size, int Rows, int Cols>
void dense_storage_swap(int rows0, int cols0, int rows1, int cols1)
{
typedef DenseStorage<T, Size, Rows, Cols, 0> DenseStorageType;
const int size0 = rows0*cols0;
DenseStorageType a(size0, rows0, cols0);
for (int i=0; i<size0; ++i) {
a.data()[i] = static_cast<T>(i);
}
const int size1 = rows1*cols1;
DenseStorageType b(size1, rows1, cols1);
for (int i=0; i<size1; ++i) {
b.data()[i] = static_cast<T>(-i);
}
a.swap(b);
for (int i=0; i<size0; ++i) {
VERIFY_IS_EQUAL(b.data()[i], static_cast<T>(i));
}
for (int i=0; i<size1; ++i) {
VERIFY_IS_EQUAL(a.data()[i], static_cast<T>(-i));
}
}
template<typename T, int Size, std::size_t Alignment>
void dense_storage_alignment()
{
#if EIGEN_HAS_ALIGNAS
struct alignas(Alignment) Empty1 {};
VERIFY_IS_EQUAL(std::alignment_of<Empty1>::value, Alignment);
struct EIGEN_ALIGN_TO_BOUNDARY(Alignment) Empty2 {};
VERIFY_IS_EQUAL(std::alignment_of<Empty2>::value, Alignment);
struct Nested1 { EIGEN_ALIGN_TO_BOUNDARY(Alignment) T data[Size]; };
VERIFY_IS_EQUAL(std::alignment_of<Nested1>::value, Alignment);
VERIFY_IS_EQUAL( (std::alignment_of<internal::plain_array<T,Size,AutoAlign,Alignment> >::value), Alignment);
const std::size_t default_alignment = internal::compute_default_alignment<T,Size>::value;
VERIFY_IS_EQUAL( (std::alignment_of<DenseStorage<T,Size,1,1,AutoAlign> >::value), default_alignment);
VERIFY_IS_EQUAL( (std::alignment_of<Matrix<T,Size,1,AutoAlign> >::value), default_alignment);
struct Nested2 { Matrix<T,Size,1,AutoAlign> mat; };
VERIFY_IS_EQUAL(std::alignment_of<Nested2>::value, default_alignment);
#endif
}
template<typename T>
void dense_storage_tests() {
// Dynamic Storage.
dense_storage_copy<T,Dynamic,Dynamic,Dynamic>(4, 3);
dense_storage_copy<T,Dynamic,Dynamic,3>(4, 3);
dense_storage_copy<T,Dynamic,4,Dynamic>(4, 3);
// Fixed Storage.
dense_storage_copy<T,12,4,3>(4, 3);
dense_storage_copy<T,12,Dynamic,Dynamic>(4, 3);
dense_storage_copy<T,12,4,Dynamic>(4, 3);
dense_storage_copy<T,12,Dynamic,3>(4, 3);
// Fixed Storage with Uninitialized Elements.
dense_storage_copy<T,18,Dynamic,Dynamic>(4, 3);
dense_storage_copy<T,18,4,Dynamic>(4, 3);
dense_storage_copy<T,18,Dynamic,3>(4, 3);
// Dynamic Storage.
dense_storage_assignment<T,Dynamic,Dynamic,Dynamic>(4, 3);
dense_storage_assignment<T,Dynamic,Dynamic,3>(4, 3);
dense_storage_assignment<T,Dynamic,4,Dynamic>(4, 3);
// Fixed Storage.
dense_storage_assignment<T,12,4,3>(4, 3);
dense_storage_assignment<T,12,Dynamic,Dynamic>(4, 3);
dense_storage_assignment<T,12,4,Dynamic>(4, 3);
dense_storage_assignment<T,12,Dynamic,3>(4, 3);
// Fixed Storage with Uninitialized Elements.
dense_storage_assignment<T,18,Dynamic,Dynamic>(4, 3);
dense_storage_assignment<T,18,4,Dynamic>(4, 3);
dense_storage_assignment<T,18,Dynamic,3>(4, 3);
// Dynamic Storage.
dense_storage_swap<T,Dynamic,Dynamic,Dynamic>(4, 3, 4, 3);
dense_storage_swap<T,Dynamic,Dynamic,Dynamic>(4, 3, 2, 1);
dense_storage_swap<T,Dynamic,Dynamic,Dynamic>(2, 1, 4, 3);
dense_storage_swap<T,Dynamic,Dynamic,3>(4, 3, 4, 3);
dense_storage_swap<T,Dynamic,Dynamic,3>(4, 3, 2, 3);
dense_storage_swap<T,Dynamic,Dynamic,3>(2, 3, 4, 3);
dense_storage_swap<T,Dynamic,4,Dynamic>(4, 3, 4, 3);
dense_storage_swap<T,Dynamic,4,Dynamic>(4, 3, 4, 1);
dense_storage_swap<T,Dynamic,4,Dynamic>(4, 1, 4, 3);
// Fixed Storage.
dense_storage_swap<T,12,4,3>(4, 3, 4, 3);
dense_storage_swap<T,12,Dynamic,Dynamic>(4, 3, 4, 3);
dense_storage_swap<T,12,Dynamic,Dynamic>(4, 3, 2, 1);
dense_storage_swap<T,12,Dynamic,Dynamic>(2, 1, 4, 3);
dense_storage_swap<T,12,4,Dynamic>(4, 3, 4, 3);
dense_storage_swap<T,12,4,Dynamic>(4, 3, 4, 1);
dense_storage_swap<T,12,4,Dynamic>(4, 1, 4, 3);
dense_storage_swap<T,12,Dynamic,3>(4, 3, 4, 3);
dense_storage_swap<T,12,Dynamic,3>(4, 3, 2, 3);
dense_storage_swap<T,12,Dynamic,3>(2, 3, 4, 3);
// Fixed Storage with Uninitialized Elements.
dense_storage_swap<T,18,Dynamic,Dynamic>(4, 3, 4, 3);
dense_storage_swap<T,18,Dynamic,Dynamic>(4, 3, 2, 1);
dense_storage_swap<T,18,Dynamic,Dynamic>(2, 1, 4, 3);
dense_storage_swap<T,18,4,Dynamic>(4, 3, 4, 3);
dense_storage_swap<T,18,4,Dynamic>(4, 3, 4, 1);
dense_storage_swap<T,18,4,Dynamic>(4, 1, 4, 3);
dense_storage_swap<T,18,Dynamic,3>(4, 3, 4, 3);
dense_storage_swap<T,18,Dynamic,3>(4, 3, 2, 3);
dense_storage_swap<T,18,Dynamic,3>(2, 3, 4, 3);
dense_storage_alignment<T,16,8>();
dense_storage_alignment<T,16,16>();
dense_storage_alignment<T,16,32>();
dense_storage_alignment<T,16,64>();
}
EIGEN_DECLARE_TEST(dense_storage)
{
dense_storage_tests<int>();
dense_storage_tests<float>();
dense_storage_tests<SafeScalar<float> >();
dense_storage_tests<AnnoyingScalar>();
}
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