types.h

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#ifndef FCL_DATA_TYPES_H
#define FCL_DATA_TYPES_H
 
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <vector>
#include <map>
#include <memory>
#include <Eigen/Dense>
#include <Eigen/StdVector>
#include "fcl/export.h"
 
namespace fcl
{
 
typedef FCL_DEPRECATED double FCL_REAL;
typedef FCL_DEPRECATED std::int64_t  FCL_INT64;
typedef FCL_DEPRECATED std::uint64_t FCL_UINT64;
typedef FCL_DEPRECATED std::int32_t  FCL_INT32;
typedef FCL_DEPRECATED std::uint32_t FCL_UINT32;
 
using int64 = std::int64_t;
using uint64 = std::uint64_t;
using int32 = std::int32_t;
using uint32 = std::uint32_t;
using intptr_t = std::intptr_t;
using uintptr_t = std::uintptr_t;
 
template <typename S>
using Vector2 = Eigen::Matrix<S, 2, 1>;
 
template <typename S>
using Vector3 = Eigen::Matrix<S, 3, 1>;
 
template <typename S>
using Vector6 = Eigen::Matrix<S, 6, 1>;
 
template <typename S>
using Vector7 = Eigen::Matrix<S, 7, 1>;
 
template <typename S, int N>
using VectorN = Eigen::Matrix<S, N, 1>;
 
template <typename S>
using VectorX = Eigen::Matrix<S, Eigen::Dynamic, 1>;
 
template <typename S>
using Matrix3 = Eigen::Matrix<S, 3, 3>;
 
template <typename S>
using Quaternion = Eigen::Quaternion<S>;
 
template <typename S>
using Transform3 = Eigen::Transform<S, 3, Eigen::Isometry>;
 
template <typename S>
using Translation3 = Eigen::Translation<S, 3>;
 
template <typename S>
using AngleAxis = Eigen::AngleAxis<S>;
 
// float types
using Vector3f = Vector3<float>;
template <int N>
using VectorNf = VectorN<float, N>;
using VectorXf = VectorX<float>;
using Matrix3f = Matrix3<float>;
using Quaternionf = Quaternion<float>;
using Transform3f = Transform3<float>;
using Translation3f = Translation3<float>;
using AngleAxisf = AngleAxis<float>;
 
// double types
using Vector3d = Vector3<double>;
template <int N>
using VectorNd = VectorN<double, N>;
using VectorXd = VectorX<double>;
using Matrix3d = Matrix3<double>;
using Quaterniond = Quaternion<double>;
using Transform3d = Transform3<double>;
using Translation3d = Translation3<double>;
using AngleAxisd = AngleAxis<double>;
 
template <typename _Tp>
using aligned_vector = std::vector<_Tp, Eigen::aligned_allocator<_Tp>>;
 
template <typename _Key, typename _Tp, typename _Compare = std::less<_Key>>
using aligned_map = std::map<_Key, _Tp, _Compare,
    Eigen::aligned_allocator<std::pair<const _Key, _Tp>>>;
 
#if EIGEN_VERSION_AT_LEAST(3,2,9)
 
template <typename _Tp, typename... _Args>
inline std::shared_ptr<_Tp> make_aligned_shared(_Args&&... __args)
{
  typedef typename std::remove_const<_Tp>::type _Tp_nc;
  return std::allocate_shared<_Tp>(Eigen::aligned_allocator<_Tp_nc>(),
                                   std::forward<_Args>(__args)...);
}
 
#else
 
// Ref: https://bitbucket.org/eigen/eigen/commits/f5b7700
// C++11 compatible version is available since Eigen 3.2.9 so we use this copy
// for Eigen (< 3.2.9).
template <class T>
class FCL_EXPORT aligned_allocator_cpp11 : public std::allocator<T>
{
public:
  typedef std::size_t     size_type;
  typedef std::ptrdiff_t  difference_type;
  typedef T*              pointer;
  typedef const T*        const_pointer;
  typedef T&              reference;
  typedef const T&        const_reference;
  typedef T               value_type;
 
  template <class U>
  struct rebind
  {
    typedef aligned_allocator_cpp11<U> other;
  };
 
  aligned_allocator_cpp11()
    : std::allocator<T>() {}
 
  aligned_allocator_cpp11(const aligned_allocator_cpp11& other)
    : std::allocator<T>(other) {}
 
  template <class U>
  aligned_allocator_cpp11(const aligned_allocator_cpp11<U>& other)
    : std::allocator<T>(other) {}
 
  ~aligned_allocator_cpp11() {}
 
  pointer allocate(size_type num, const void* /*hint*/ = 0)
  {
    Eigen::internal::check_size_for_overflow<T>(num);
    return static_cast<pointer>( Eigen::internal::aligned_malloc(num * sizeof(T)) );
  }
 
  void deallocate(pointer p, size_type /*num*/)
  {
    Eigen::internal::aligned_free(p);
  }
};
 
template <typename _Tp, typename... _Args>
inline std::shared_ptr<_Tp> make_aligned_shared(_Args&&... __args)
{
  typedef typename std::remove_const<_Tp>::type _Tp_nc;
  return std::allocate_shared<_Tp>(aligned_allocator_cpp11<_Tp_nc>(),
                                   std::forward<_Args>(__args)...);
}
 
#endif
 
} // namespace fcl
 
#endif