DenseVector/Serial/Morpheus_Copy_Impl.hpp

 
#ifndef MORPHEUS_DENSEVECTOR_SERIAL_COPY_IMPL_HPP
#define MORPHEUS_DENSEVECTOR_SERIAL_COPY_IMPL_HPP
 
#include <Morpheus_Macros.hpp>
#if defined(MORPHEUS_ENABLE_SERIAL)
 
#include <Morpheus_SpaceTraits.hpp>
#include <Morpheus_FormatTraits.hpp>
#include <Morpheus_FormatTags.hpp>
#include <Morpheus_Spaces.hpp>
 
namespace Morpheus {
namespace Impl {
 
template <typename ExecSpace, typename KeyType, typename SourceType,
          typename DestinationType>
void copy_by_key(
    const KeyType keys, const SourceType& src, DestinationType& dst,
    typename std::enable_if_t<
        Morpheus::is_dense_vector_format_container_v<KeyType> &&
        Morpheus::is_dense_vector_format_container_v<SourceType> &&
        Morpheus::is_dense_vector_format_container_v<DestinationType> &&
        Morpheus::has_custom_backend_v<ExecSpace> &&
        Morpheus::has_serial_execution_space_v<ExecSpace> &&
        Morpheus::has_access_v<ExecSpace, KeyType, SourceType,
                               DestinationType>>* = nullptr) {
  using size_type = typename KeyType::size_type;
  MORPHEUS_ASSERT(keys.size() <= src.size(),
                  "Size of keys must be smaller or equal to src size.");
  MORPHEUS_ASSERT(keys.size() <= dst.size(),
                  "Size of keys must be smaller or equal to dst size.");
 
  for (size_type i = 0; i < keys.size(); i++) {
    dst[i] = src[keys[i]];
  }
}
 
}  // namespace Impl
}  // namespace Morpheus
 
#endif  // MORPHEUS_ENABLE_SERIAL
#endif  // MORPHEUS_DENSEVECTOR_SERIAL_COPY_IMPL_HPP