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ArborX::BruteForce::BruteForce

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Damien L-G edited this page Mar 12, 2021 · 3 revisions

ArborX / Spatial indexes / ArborX::BruteForce

ArborX::BruteForce<MemorySpace>::BruteForce

BruteForce() noexcept; // (1)

template <typename ExecutionSpace, typename Primitives>
BruteForce(ExecutionSpace const& space, Primitives const& primitives); // (2)
  1. Default constructor. Constructs an empty data structure.
  2. Constructs a bounding volume hierarchy from the given data source.

Parameters

space : the execution space.
primitives : geometrical objects one wishes to index.

Type requirements

  • MemorySpace must be accessible from ExecutionSpace. (Kokkos::SpaceAccessibility<ExecutionSpace, MemorySpace>::accessible must be true.)
  • A specialization of ArborX::AccessTraits must match Primitives as the first template argument and ArborX::PrimitivesTag as second argument.
  • The return type of ArborX::AccessTraits<Primitives,ArborX::PrimitivesTag>::get() must decay either to ArborX::Point or ArborX::Box. ArborX provides specializations for Kokkos views but a user may specialize it for their types.

Complexity

O(N), where N is the number of primitives passed to the constructor (ArborX::AccessTraits<Primitives,ArborX::PrimitivesTag>::size(primitives)).

Exceptions

Memory allocation with Kokkos may throw.

Notes

Example

See also

query : search for all primitives that meet some predicates.
bounds : returns the box that contains all leaves.

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