DART  6.7.3
AlignedAllocator.hpp
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32 
33 #ifndef DART_COMMON_DETAIL_ALIGNEDALLOCATOR_HPP_
34 #define DART_COMMON_DETAIL_ALIGNEDALLOCATOR_HPP_
35 
36 #include <memory>
37 #include <Eigen/Core>
38 #include "dart/config.hpp"
39 
40 namespace dart {
41 namespace common {
42 
43 #if EIGEN_VERSION_AT_LEAST(3,2,1) && EIGEN_VERSION_AT_MOST(3,2,8)
44 
45 namespace detail {
46 
48 // Ref: https://bitbucket.org/eigen/eigen/commits/f5b7700
49 // TODO: Remove this and use Eigen::aligned_allocator once new version of Eigen
50 // is released with above commit.
51 template <class T>
52 class aligned_allocator_cpp11 : public std::allocator<T>
53 {
54 public:
55  typedef std::size_t size_type;
56  typedef std::ptrdiff_t difference_type;
57  typedef T* pointer;
58  typedef const T* const_pointer;
59  typedef T& reference;
60  typedef const T& const_reference;
61  typedef T value_type;
62 
63  template <class U>
64  struct rebind
65  {
66  typedef aligned_allocator_cpp11<U> other;
67  };
68 
69  aligned_allocator_cpp11()
70  : std::allocator<T>() {}
71 
72  aligned_allocator_cpp11(const aligned_allocator_cpp11& other)
73  : std::allocator<T>(other) {}
74 
75  template <class U>
76  aligned_allocator_cpp11(const aligned_allocator_cpp11<U>& other)
77  : std::allocator<T>(other) {}
78 
79  ~aligned_allocator_cpp11() {}
80 
81  pointer allocate(size_type num, const void* /*hint*/ = 0)
82  {
83  Eigen::internal::check_size_for_overflow<T>(num);
84  return static_cast<pointer>( Eigen::internal::aligned_malloc(num * sizeof(T)) );
85  }
86 
87  void deallocate(pointer p, size_type /*num*/)
88  {
89  Eigen::internal::aligned_free(p);
90  }
91 };
92 
93 } // namespace detail
94 
95 #endif // EIGEN_VERSION_AT_LEAST(3,2,1) && EIGEN_VERSION_AT_MOST(3,2,8)
96 
97 } // namespace common
98 } // namespace dart
99 
100 #endif // DART_COMMON_DETAIL_ALIGNEDALLOCATOR_HPP_
Definition: BulletCollisionDetector.cpp:63
Definition: SharedLibraryManager.hpp:43