#include "KMeans.h"
#include "KmTree.h"
#include <mrpt/utils/mrpt_macros.h>
#include <sstream>
#include <time.h>
#include <vector>

Macros
#define	LOG(verbose, text)

Functions
void	AddKMeansLogging (std::ostream *out, bool verbose)

void	ClearKMeansLogging ()

static double	GetSeconds ()

static void	RunKMeansOnce (const KmTree &tree, int n, int k, int d, Scalar points, Scalar centers, Scalar min_cost, Scalar max_cost, Scalar total_cost, double start_time, double min_time, double max_time, double total_time, Scalar best_centers, int best_assignment)

void	LogMetaStats (Scalar min_cost, Scalar max_cost, Scalar total_cost, double min_time, double max_time, double total_time, int num_attempts)

Scalar	RunKMeans (int n, int k, int d, Scalar points, int attempts, Scalar ret_centers, int *ret_assignment)

Scalar	RunKMeansPlusPlus (int n, int k, int d, Scalar points, int attempts, Scalar ret_centers, int *ret_assignment)

Variables
static vector< ostream * >	gLogOutputs

static vector< ostream * >	gVerboseLogOutputs

Macro Definition Documentation

◆ LOG

#define LOG	(	verbose,
		text
	)

Value:

{                                                     \
                vector<ostream*>& outputs =                       \
                        (verbose ? gVerboseLogOutputs : gLogOutputs); \
                if (outputs.size() > 0)                           \
                {                                                 \
                        ostringstream string_stream;                  \
                        string_stream << text;                        \
                        for (int i = 0; i < (int)outputs.size(); i++) \
                                *(outputs[i]) << string_stream.str();     \
                }                                                 \
        }

Definition at line 25 of file kmeans++/KMeans.cpp.

Referenced by LogMetaStats(), RunKMeans(), RunKMeansOnce(), and RunKMeansPlusPlus().

Function Documentation

◆ AddKMeansLogging()

void AddKMeansLogging	(	std::ostream *	out,
		bool	verbose
	)

Definition at line 37 of file kmeans++/KMeans.cpp.

References gLogOutputs, and gVerboseLogOutputs.

◆ ClearKMeansLogging()

void ClearKMeansLogging ( )

Definition at line 42 of file kmeans++/KMeans.cpp.

References gLogOutputs, and gVerboseLogOutputs.

◆ GetSeconds()

static double GetSeconds ( )

static

Definition at line 49 of file kmeans++/KMeans.cpp.

Referenced by RunKMeans(), RunKMeansOnce(), and RunKMeansPlusPlus().

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◆ LogMetaStats()

void LogMetaStats	(	Scalar	min_cost,
		Scalar	max_cost,
		Scalar	total_cost,
		double	min_time,
		double	max_time,
		double	total_time,
		int	num_attempts
	)

Definition at line 104 of file kmeans++/KMeans.cpp.

References LOG.

Referenced by RunKMeans(), and RunKMeansPlusPlus().

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◆ RunKMeans()

Scalar RunKMeans	(	int	n,
		int	k,
		int	d,
		Scalar *	points,
		int	attempts,
		Scalar *	ret_centers,
		int *	ret_assignment
	)

Definition at line 119 of file kmeans++/KMeans.cpp.

References GetRandom(), GetSeconds(), KM_ASSERT, LOG, LogMetaStats(), mrpt::system::os::memcpy(), and RunKMeansOnce().

Referenced by mrpt::math::detail::internal_kmeans< double >(), and mrpt::math::detail::internal_kmeans< float >().

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◆ RunKMeansOnce()

static void RunKMeansOnce	(	const KmTree &	tree,
		int	n,
		int	k,
		int	d,
		Scalar *	points,
		Scalar *	centers,
		Scalar *	min_cost,
		Scalar *	max_cost,
		Scalar *	total_cost,
		double	start_time,
		double *	min_time,
		double *	max_time,
		double *	total_time,
		Scalar *	best_centers,
		int *	best_assignment
	)