dolfin::IndexSet Class Reference

#include <IndexSet.h>

Public Member Functions
	IndexSet (std::size_t size)
	Create index set of given size.
	~IndexSet ()
	Destructor.
bool	empty () const
	Return true if set is empty.
std::size_t	size () const
	Return size of set.
bool	has_index (std::size_t index) const
	Check whether index is in set.
std::size_t	find (std::size_t index) const
	Return position (if any) for given index.
std::size_t &	operator[] (std::size_t i)
	Return given index.
const std::size_t &	operator[] (std::size_t i) const
	Return given index (const version).
void	insert (std::size_t index)
	Insert index into set.
void	fill ()
	Fill index set with indices 0, 1, 2, ..., size - 1.
void	clear ()
	Clear set.

Detailed Description

This class provides an efficient data structure for index sets. The cost of checking whether a given index is in the set is O(1) and very very fast (optimal) at the cost of extra storage.

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The documentation for this class was generated from the following file:

• /build/dolfin-wwk1CC/dolfin-2019.2.0~legacy20240219.1c52e83/dolfin/common/IndexSet.h