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vecmem 1.22.0
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Class mimicking a host-filled std::array in "device code".
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#include <vecmem/containers/device_array.hpp>
Public Types | |
Type definitions, mimicking @c std::array | |
| typedef T | value_type |
| Type of the array elements. | |
| typedef std::size_t | size_type |
| Size type for the array. | |
| typedef std::ptrdiff_t | difference_type |
| Pointer difference type. | |
| typedef value_type & | reference |
| Value reference type. | |
| typedef const value_type & | const_reference |
| Constant value reference type. | |
| typedef value_type * | pointer |
| Value pointer type. | |
| typedef const value_type * | const_pointer |
| Constant value pointer type. | |
| typedef pointer | iterator |
| Forward iterator type. | |
| typedef const_pointer | const_iterator |
| Constant forward iterator type. | |
| typedef vecmem::details::reverse_iterator< iterator > | reverse_iterator |
| Reverse iterator type. | |
| typedef vecmem::details::reverse_iterator< const_iterator > | const_reverse_iterator |
| Constant reverse iterator type. | |
Public Member Functions | |
| VECMEM_HOST_AND_DEVICE | device_array (const data::vector_view< value_type > &data) |
| Constructor, on top of a previously allocated/filled block of memory. | |
| template<typename OTHERTYPE , std::enable_if_t< details::is_same_nc< T, OTHERTYPE >::value, bool > = true> | |
| VECMEM_HOST_AND_DEVICE | device_array (const data::vector_view< OTHERTYPE > &data) |
| Construct a const device array from a non-const data object. | |
| VECMEM_HOST_AND_DEVICE | device_array (const device_array &parent) |
| Copy constructor. | |
| VECMEM_HOST_AND_DEVICE device_array & | operator= (const device_array &rhs) |
| Copy assignment operator. | |
Array element access functions | |
| VECMEM_HOST_AND_DEVICE reference | at (size_type pos) |
| Return a specific element of the array in a "safe way" (non-const) | |
| VECMEM_HOST_AND_DEVICE const_reference | at (size_type pos) const |
| Return a specific element of the array in a "safe way" (const) | |
| VECMEM_HOST_AND_DEVICE reference | operator[] (size_type pos) |
| Return a specific element of the array (non-const) | |
| VECMEM_HOST_AND_DEVICE const_reference | operator[] (size_type pos) const |
| Return a specific element of the array (const) | |
| VECMEM_HOST_AND_DEVICE reference | front () |
| Return the first element of the array (non-const) | |
| VECMEM_HOST_AND_DEVICE const_reference | front () const |
| Return the first element of the array (const) | |
| VECMEM_HOST_AND_DEVICE reference | back () |
| Return the last element of the array (non-const) | |
| VECMEM_HOST_AND_DEVICE const_reference | back () const |
| Return the last element of the array (const) | |
| VECMEM_HOST_AND_DEVICE pointer | data () |
| Access the underlying memory array (non-const) | |
| VECMEM_HOST_AND_DEVICE const_pointer | data () const |
| Access the underlying memory array (const) | |
Iterator providing functions | |
| VECMEM_HOST_AND_DEVICE iterator | begin () |
| Return a forward iterator pointing at the beginning of the array. | |
| VECMEM_HOST_AND_DEVICE const_iterator | begin () const |
| Return a constant forward iterator pointing at the beginning of the array. | |
| VECMEM_HOST_AND_DEVICE const_iterator | cbegin () const |
| Return a constant forward iterator pointing at the beginning of the array. | |
| VECMEM_HOST_AND_DEVICE iterator | end () |
| Return a forward iterator pointing at the end of the array. | |
| VECMEM_HOST_AND_DEVICE const_iterator | end () const |
| Return a constant forward iterator pointing at the end of the array. | |
| VECMEM_HOST_AND_DEVICE const_iterator | cend () const |
| Return a constant forward iterator pointing at the end of the array. | |
| VECMEM_HOST_AND_DEVICE reverse_iterator | rbegin () |
| Return a reverse iterator pointing at the end of the array. | |
| VECMEM_HOST_AND_DEVICE const_reverse_iterator | rbegin () const |
| Return a constant reverse iterator pointing at the end of the array. | |
| VECMEM_HOST_AND_DEVICE const_reverse_iterator | crbegin () const |
| Return a constant reverse iterator pointing at the end of the array. | |
| VECMEM_HOST_AND_DEVICE reverse_iterator | rend () |
| Return a reverse iterator pointing at the beginning of the array. | |
| VECMEM_HOST_AND_DEVICE const_reverse_iterator | rend () const |
| Return a constant reverse iterator pointing at the beginning of the array. | |
| VECMEM_HOST_AND_DEVICE const_reverse_iterator | crend () const |
| Return a constant reverse iterator pointing at the beginning of the array. | |
Capacity checking functions | |
| VECMEM_HOST_AND_DEVICE constexpr bool | empty () const |
| Check whether the array is empty. | |
| VECMEM_HOST_AND_DEVICE constexpr size_type | size () const |
| Return the number of elements in the array. | |
| VECMEM_HOST_AND_DEVICE constexpr size_type | max_size () const |
| Return the maximum (fixed) number of elements in the array. | |
Class mimicking a host-filled std::array in "device code".
Unlike vecmem::array, its size must be defined at compile time. Since for arrays whose size is defined at runtime, one can use vecmem::device_vector instead.
1.9.8