ERP.c File Reference

The implementation of Trajectory. More...

#include "../../../h/SpatioTemporal/Trajectory/Similarity.h"
#include "../../../h/Spatial/PointSP/Distance.h"

Include dependency graph for ERP.c:

Functions
float8 *	ERP (const Trajectory *trajectoryA, const Trajectory *trajectoryB, int32 lp, float8 *result)
	The function returns the ERP. More...
PGDLLEXPORT Datum	ERPV1 (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (ERPV1)

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

Function Documentation

float8* ERP	(	const Trajectory *	trajectoryA,
		const Trajectory *	trajectoryB,
		int32	lp,
		float8 *	result
	)

The function returns the ERP.

Parameters

[in]	trajectoryA	The first trajectory
[in]	trajectoryB	The second trajectory
[in]	lp	the norm to be used (currently only 1 and 2)
[out]	result	The result

References distanceManhattanPointSP_PointSP(), distancePointSP_PointSP(), i(), j, Trajectory::NrPoints, Trajectory::points, PointST::sp, PointSP::x, and PointSP::y.

Referenced by ERPV1().

Here is the call graph for this function:

PGDLLEXPORT Datum ERPV1

(

PG_FUNCTION_ARGS

)

References ERP().

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PG_FUNCTION_INFO_V1

(

ERPV1

)