cms::alpakatools::VecArray< T, maxSize > Class Template Reference

#include <VecArray.h>

Public Types
using	self = VecArray< T, maxSize >
using	value_t = T

Public Member Functions
constexpr T const &	back () const
constexpr T &	back ()
constexpr T const *	begin () const
constexpr T *	begin ()
constexpr T const *	data () const
template<typename TAcc , class... Ts>
ALPAKA_FN_ACC int	emplace_back (const TAcc &acc, Ts &&...args)
template<class... Ts>
constexpr int	emplace_back_unsafe (Ts &&...args)
constexpr bool	empty () const
constexpr T const *	end () const
constexpr T *	end ()
constexpr bool	full () const
constexpr T &	operator[] (int i)
constexpr const T &	operator[] (int i) const
constexpr T	pop_back ()
template<typename TAcc >
ALPAKA_FN_ACC int	push_back (const TAcc &acc, const T &element)
constexpr int	push_back_unsafe (const T &element)
constexpr void	reset ()
constexpr void	resize (int size)
constexpr int	size () const

Static Public Member Functions
static constexpr int	capacity ()

Private Attributes
T	m_data [maxSize]
int	m_size

Detailed Description

template<class T, int maxSize>
class cms::alpakatools::VecArray< T, maxSize >

Definition at line 15 of file VecArray.h.

Member Typedef Documentation

self

template<class T, int maxSize>

using cms::alpakatools::VecArray< T, maxSize >::self = VecArray<T, maxSize>

Definition at line 17 of file VecArray.h.

value_t

template<class T, int maxSize>

using cms::alpakatools::VecArray< T, maxSize >::value_t = T

Definition at line 18 of file VecArray.h.

Member Function Documentation

back() [1/2]

template<class T, int maxSize>

constexpr T const& cms::alpakatools::VecArray< T, maxSize >::back ( ) const

inline

Definition at line 45 of file VecArray.h.

                                           {
      if (m_size > 0) {
        return m_data[m_size - 1];
      } else
        return T();  //undefined behaviour
    }

back() [2/2]

template<class T, int maxSize>

constexpr T& cms::alpakatools::VecArray< T, maxSize >::back ( )

inline

Definition at line 52 of file VecArray.h.

                               {
      if (m_size > 0) {
        return m_data[m_size - 1];
      } else
        return T();  //undefined behaviour
    }

begin() [1/2]

template<class T, int maxSize>

constexpr T const* cms::alpakatools::VecArray< T, maxSize >::begin ( void  ) const

inline

Definition at line 92 of file VecArray.h.

{ return m_data; }

begin() [2/2]

template<class T, int maxSize>

constexpr T* cms::alpakatools::VecArray< T, maxSize >::begin ( void  )

inline

Definition at line 94 of file VecArray.h.

{ return m_data; }

capacity()

template<class T, int maxSize>

static constexpr int cms::alpakatools::VecArray< T, maxSize >::capacity ( )

inlinestatic

Definition at line 100 of file VecArray.h.

{ return maxSize; }

data()

template<class T, int maxSize>

constexpr T const* cms::alpakatools::VecArray< T, maxSize >::data ( ) const

inline

Definition at line 101 of file VecArray.h.

{ return m_data; }

emplace_back()

template<class T, int maxSize>

template<typename TAcc , class... Ts>

ALPAKA_FN_ACC int cms::alpakatools::VecArray< T, maxSize >::emplace_back ( const TAcc &  acc, Ts &&...  args  )

inline

Definition at line 73 of file VecArray.h.

                                                                  {
      auto previousSize = alpaka::atomicAdd(acc, &m_size, 1, alpaka::hierarchy::Blocks{});
      if (previousSize < maxSize) {
        (new (&m_data[previousSize]) T(std::forward<Ts>(args)...));
        return previousSize;
      } else {
        alpaka::atomicSub(acc, &m_size, 1, alpaka::hierarchy::Blocks{});
        return -1;
      }
    }

emplace_back_unsafe()

template<class T, int maxSize>

template<class... Ts>

constexpr int cms::alpakatools::VecArray< T, maxSize >::emplace_back_unsafe ( Ts &&...  args )

inline

Definition at line 33 of file VecArray.h.

                                                    {
      auto previousSize = m_size;
      m_size++;
      if (previousSize < maxSize) {
        (new (&m_data[previousSize]) T(std::forward<Ts>(args)...));
        return previousSize;
      } else {
        --m_size;
        return -1;
      }
    }

empty()

template<class T, int maxSize>

constexpr bool cms::alpakatools::VecArray< T, maxSize >::empty ( void  ) const

inline

Definition at line 103 of file VecArray.h.

{ return 0 == m_size; }

end() [1/2]

template<class T, int maxSize>

constexpr T const* cms::alpakatools::VecArray< T, maxSize >::end ( void  ) const

inline

Definition at line 93 of file VecArray.h.

{ return m_data + m_size; }

end() [2/2]

template<class T, int maxSize>

constexpr T* cms::alpakatools::VecArray< T, maxSize >::end ( void  )

inline

Definition at line 95 of file VecArray.h.

{ return m_data + m_size; }

full()

template<class T, int maxSize>

constexpr bool cms::alpakatools::VecArray< T, maxSize >::full ( ) const

inline

Definition at line 104 of file VecArray.h.

{ return maxSize == m_size; }

operator[]() [1/2]

template<class T, int maxSize>

constexpr T& cms::alpakatools::VecArray< T, maxSize >::operator[] ( int  i )

inline

Definition at line 97 of file VecArray.h.

{ return m_data[i]; }

operator[]() [2/2]

template<class T, int maxSize>

constexpr const T& cms::alpakatools::VecArray< T, maxSize >::operator[] ( int  i ) const

inline

Definition at line 98 of file VecArray.h.

{ return m_data[i]; }

pop_back()

template<class T, int maxSize>

constexpr T cms::alpakatools::VecArray< T, maxSize >::pop_back ( )

inline

Definition at line 84 of file VecArray.h.

                                  {
      if (m_size > 0) {
        auto previousSize = m_size--;
        return m_data[previousSize - 1];
      } else
        return T();
    }

push_back()

template<class T, int maxSize>

template<typename TAcc >

ALPAKA_FN_ACC int cms::alpakatools::VecArray< T, maxSize >::push_back ( const TAcc &  acc, const T &  element  )

inline

Definition at line 61 of file VecArray.h.

                                                                   {
      auto previousSize = alpaka::atomicAdd(acc, &m_size, 1, alpaka::hierarchy::Blocks{});
      if (previousSize < maxSize) {
        m_data[previousSize] = element;
        return previousSize;
      } else {
        alpaka::atomicSub(acc, &m_size, 1, alpaka::hierarchy::Blocks{});
        return -1;
      }
    }

push_back_unsafe()

template<class T, int maxSize>

constexpr int cms::alpakatools::VecArray< T, maxSize >::push_back_unsafe ( const T &  element )

inline

Definition at line 20 of file VecArray.h.

                                                            {
      auto previousSize = m_size;
      m_size++;
      if (previousSize < maxSize) {
        m_data[previousSize] = element;
        return previousSize;
      } else {
        --m_size;
        return -1;
      }
    }

reset()

template<class T, int maxSize>

constexpr void cms::alpakatools::VecArray< T, maxSize >::reset ( void  )

inline

Definition at line 99 of file VecArray.h.

{ m_size = 0; }

resize()

template<class T, int maxSize>

constexpr void cms::alpakatools::VecArray< T, maxSize >::resize ( int  size )

inline

Definition at line 102 of file VecArray.h.

{ m_size = size; }

size()

template<class T, int maxSize>

constexpr int cms::alpakatools::VecArray< T, maxSize >::size ( void  ) const

inline

Definition at line 96 of file VecArray.h.

Referenced by ntupleDataFormat._Collection::__iter__(), ntupleDataFormat._Collection::__len__(), and cms::alpakatools::VecArray< TrackerTraits >::resize().

{ return m_size; }

Member Data Documentation

m_data

template<class T, int maxSize>

T cms::alpakatools::VecArray< T, maxSize >::m_data[maxSize]

private

Definition at line 107 of file VecArray.h.

Referenced by cms::alpakatools::VecArray< TrackerTraits >::back(), cms::alpakatools::VecArray< TrackerTraits >::begin(), cms::alpakatools::VecArray< TrackerTraits >::data(), cms::alpakatools::VecArray< TrackerTraits >::emplace_back(), cms::alpakatools::VecArray< TrackerTraits >::emplace_back_unsafe(), cms::alpakatools::VecArray< TrackerTraits >::end(), cms::alpakatools::VecArray< TrackerTraits >::operator[](), cms::alpakatools::VecArray< TrackerTraits >::pop_back(), cms::alpakatools::VecArray< TrackerTraits >::push_back(), and cms::alpakatools::VecArray< TrackerTraits >::push_back_unsafe().

m_size

template<class T, int maxSize>

int cms::alpakatools::VecArray< T, maxSize >::m_size

private

Definition at line 109 of file VecArray.h.

Referenced by cms::alpakatools::VecArray< TrackerTraits >::back(), cms::alpakatools::VecArray< TrackerTraits >::emplace_back(), cms::alpakatools::VecArray< TrackerTraits >::emplace_back_unsafe(), cms::alpakatools::VecArray< TrackerTraits >::empty(), cms::alpakatools::VecArray< TrackerTraits >::end(), cms::alpakatools::VecArray< TrackerTraits >::full(), cms::alpakatools::VecArray< TrackerTraits >::pop_back(), cms::alpakatools::VecArray< TrackerTraits >::push_back(), cms::alpakatools::VecArray< TrackerTraits >::push_back_unsafe(), cms::alpakatools::VecArray< TrackerTraits >::reset(), cms::alpakatools::VecArray< TrackerTraits >::resize(), and cms::alpakatools::VecArray< TrackerTraits >::size().