EDR.c File Reference

The implementation of Trajectory. More...

#include "../../../h/SpatioTemporal/Trajectory/Similarity.h"

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Macros
#define	HIT   0
#define	MISS   -1
#define	GAP   -1

Functions
float8 *	EDR (const Trajectory *trajectoryA, const Trajectory *trajectoryB, float8 eps, float8 *result)
	The function returns the EDR. More...
PGDLLEXPORT Datum	EDRV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (EDRV1)

Detailed Description

The implementation of Trajectory.

Author

Marios Vodas (mvoda.nosp@m.s@gm.nosp@m.ail.c.nosp@m.om).

These functions are documented in the Trajectory/Similarity.h

Macro Definition Documentation

#define GAP   -1

Referenced by EDR().

#define HIT   0

Referenced by EDR().

#define MISS   -1

Referenced by EDR().

Function Documentation

float8* EDR	(	const Trajectory *	trajectoryA,
		const Trajectory *	trajectoryB,
		float8	eps,
		float8 *	result
	)

The function returns the EDR.

Parameters

[in]	trajectoryA	The first trajectory
[in]	trajectoryB	The second trajectory
[in]	eps	the threshold, which determines whether or not two elements match.
[out]	result	The result

References GAP, HIT, i(), j, MISS, Trajectory::NrPoints, Trajectory::points, PointST::sp, PointSP::x, and PointSP::y.

Referenced by EDRV1().

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PGDLLEXPORT Datum EDRV1

(

PG_FUNCTION_ARGS

)

References EDR().

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PG_FUNCTION_INFO_V1

(

EDRV1

)