nanoflann::PooledAllocator Class Reference

Detailed Description

Definition at line 462 of file nanoflann.hpp.

#include <nanoflann.hpp>

Public Member Functions
	PooledAllocator ()
	Default constructor. More...
	~PooledAllocator ()
	Destructor. More...
void	free_all ()
	Frees all allocated memory chunks. More...
void *	malloc (const size_t req_size)
	Returns a pointer to a piece of new memory of the given size in bytes allocated from the pool. More...
template<typename T >
T *	allocate (const size_t count=1)
	Allocates (using this pool) a generic type T. More...

Public Attributes
size_t	usedMemory
size_t	wastedMemory

Private Member Functions
void	internal_init ()

Private Attributes
size_t	remaining
void *	base
void *	loc

Constructor & Destructor Documentation

PooledAllocator()

nanoflann::PooledAllocator::PooledAllocator ( )

inline

Default constructor.

Initializes a new pool.

Definition at line 489 of file nanoflann.hpp.

~PooledAllocator()

nanoflann::PooledAllocator::~PooledAllocator ( )

inline

Destructor.

Frees all the memory allocated in this pool.

Definition at line 496 of file nanoflann.hpp.

Member Function Documentation

allocate()

template<typename T >

T* nanoflann::PooledAllocator::allocate ( const size_t  count = 1 )

inline

Allocates (using this pool) a generic type T.

Params: count = number of instances to allocate. Returns: pointer (of type T*) to memory buffer

Definition at line 568 of file nanoflann.hpp.

References nanoflann::KNNResultSet< DistanceType, IndexType, CountType >::count.

Referenced by nanoflann::KDTreeSingleIndexAdaptor< Distance, DatasetAdaptor, DIM, IndexType >::divideTree(), and nanoflann::KDTreeSingleIndexAdaptor< Distance, DatasetAdaptor, DIM, IndexType >::load_tree().

Here is the caller graph for this function:

free_all()

void nanoflann::PooledAllocator::free_all ( )

inline

Frees all allocated memory chunks.

Definition at line 501 of file nanoflann.hpp.

Referenced by nanoflann::KDTreeSingleIndexAdaptor< Distance, DatasetAdaptor, DIM, IndexType >::freeIndex().

Here is the caller graph for this function:

internal_init()

void nanoflann::PooledAllocator::internal_init ( )

inlineprivate

Definition at line 474 of file nanoflann.hpp.

malloc()

void* nanoflann::PooledAllocator::malloc ( const size_t  req_size )

inline

Returns a pointer to a piece of new memory of the given size in bytes allocated from the pool.

Definition at line 515 of file nanoflann.hpp.

References nanoflann::BLOCKSIZE, mrpt::system::os::fprintf(), nanoflann::KNNResultSet< DistanceType, IndexType, CountType >::size(), and nanoflann::WORDSIZE.

Here is the call graph for this function:

Member Data Documentation

base

void* nanoflann::PooledAllocator::base

private

Definition at line 471 of file nanoflann.hpp.

loc

void* nanoflann::PooledAllocator::loc

private

Definition at line 472 of file nanoflann.hpp.

remaining

size_t nanoflann::PooledAllocator::remaining

private

Definition at line 470 of file nanoflann.hpp.

usedMemory

size_t nanoflann::PooledAllocator::usedMemory

Definition at line 483 of file nanoflann.hpp.

Referenced by nanoflann::KDTreeSingleIndexAdaptor< Distance, DatasetAdaptor, DIM, IndexType >::usedMemory().

wastedMemory

size_t nanoflann::PooledAllocator::wastedMemory

Definition at line 484 of file nanoflann.hpp.

Referenced by nanoflann::KDTreeSingleIndexAdaptor< Distance, DatasetAdaptor, DIM, IndexType >::usedMemory().