Utilities.h File Reference

#include <postgres.h>
#include <fmgr.h>
#include <utils/timestamp.h>

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Macros
#define	HE_FS_INT64   "%lld"
#define	HE_FS_UINT64   "%llu"
#define	ELIMINATE_MINUS_ZERO(n)   ((n) == (0.0) ? (0.0) : (n))
#define	getmsgTimestampHermes(msg)   (pq_getmsgfloat8((msg)))
#define	sendTimestampHermes(buf, t)   (pq_sendfloat8((buf), (ELIMINATE_MINUS_ZERO((t)))))
#define	getmsgTimeOffsetHermes(msg)   (pq_getmsgfloat8((msg)))
#define	sendTimeOffsetHermes(buf, t)   (pq_sendfloat8((buf), (ELIMINATE_MINUS_ZERO((t)))))

Functions
int	asprintfHermes (char **ptr, const char *frm,...)
Timestamp	epoch ()
float8	interval2seconds (const Interval *interval)
	Function converting the interval to seconds. More...
Interval *	seconds2interval (float8 seconds, Interval *result)
	Function converting the interval to seconds in its place. More...
float8	timestamp2seconds (Timestamp ts)
	Function converting timestamp to seconds. More...
Timestamp	seconds2timestamp (float8 seconds)
	Function converting seconds to timestamp. More...
Timestamp	timestampPlusSeconds (Timestamp ts, float8 seconds)
Timestamp	timestampMinusSeconds (Timestamp ts, float8 seconds)
Interval *	differenceInInterval (Timestamp tsA, Timestamp tsB, Interval *result)
float8	differenceInSeconds (Timestamp tsA, Timestamp tsB)
Timestamp	roundTimestamp (Timestamp ts)
PGDLLEXPORT Datum	roundTimestampV1 (PG_FUNCTION_ARGS)
float8	Pi ()
float8	dPi ()
float8	radians2degrees (float8 rad)
float8	degrees2radians (float8 deg)
float8	degrees360 (float8 degrees180)
PGDLLEXPORT Datum	degrees360V1 (PG_FUNCTION_ARGS)
float8	toPrecision (float8 n, float8 precision)
float4	minFloat4 (float4 a, float4 b)
float4	maxFloat4 (float4 a, float4 b)
float8	minFloat8 (float8 a, float8 b)
float8	maxFloat8 (float8 a, float8 b)
int16	minInt16 (int16 a, int16 b)
int16	maxInt16 (int16 a, int16 b)
int32	minInt32 (int32 a, int32 b)
int32	maxInt32 (int32 a, int32 b)
int64	minInt64 (int64 a, int64 b)
int64	maxInt64 (int64 a, int64 b)
Timestamp	minTimestamp (Timestamp a, Timestamp b)
Timestamp	maxTimestamp (Timestamp a, Timestamp b)
Interval *	minInterval (const Interval *a, const Interval *b)
Interval *	maxInterval (const Interval *a, const Interval *b)
PGDLLEXPORT Datum	minFloat4V1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	maxFloat4V1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	minFloat8V1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	maxFloat8V1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	minInt16V1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	maxInt16V1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	minInt32V1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	maxInt32V1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	minInt64V1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	maxInt64V1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	minTimestampV1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	maxTimestampV1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	minIntervalV1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	maxIntervalV1 (PG_FUNCTION_ARGS)
PGDLLEXPORT Datum	getFalse (PG_FUNCTION_ARGS)

Macro Definition Documentation

#define ELIMINATE_MINUS_ZERO

(

n

)

((n) == (0.0) ? (0.0) : (n))

Referenced by Ellipsoid2Bytea(), LineSP2Bytea(), PointENU2Bytea(), PointLL2Bytea(), PointPLH2Bytea(), PointXY2Bytea(), PointXYZ2Bytea(), Trajectory2Bytea(), Vector2D2Bytea(), and Vector3D2Bytea().

#define getmsgTimeOffsetHermes

(

msg

)

(pq_getmsgfloat8((msg)))

Referenced by recvRangeST(), and recvRangeT().

#define getmsgTimestampHermes

(

msg

)

(pq_getmsgfloat8((msg)))

Referenced by recvBoxST(), recvPeriod(), recvPointST(), recvRangeST(), recvRangeT(), recvSegmentST(), and recvTrajectory().

#define HE_FS_INT64   "%lld"

Referenced by decodeAISXML().

#define HE_FS_UINT64   "%llu"

Referenced by decodeAISXML().

#define sendTimeOffsetHermes	(		buf,
			t
	)		(pq_sendfloat8((buf), (ELIMINATE_MINUS_ZERO((t)))))

Referenced by RangeST2Bytea(), and RangeT2Bytea().

#define sendTimestampHermes	(		buf,
			t
	)		(pq_sendfloat8((buf), (ELIMINATE_MINUS_ZERO((t)))))

Referenced by BoxST2Bytea(), Period2Bytea(), PointST2Bytea(), RangeST2Bytea(), RangeT2Bytea(), SegmentST2Bytea(), and Trajectory2Bytea().

Function Documentation

int asprintfHermes	(	char **	ptr,
		const char *	frm,
			...
	)

References buffer().

Referenced by decodeAISXML(), hermesDataTypesAsXML(), inBoxSP(), inBoxST(), inEllipsoid(), inLineSP(), inPeriod(), inPointENU(), inPointLL(), inPointPLH(), inPointSP(), inPointST(), inPointXY(), inPointXYZ(), inRangeSP(), inRangeST(), inRangeT(), inSegmentSP(), inSegmentST(), inTrajectory(), inVector2D(), inVector3D(), outBoxSP(), outBoxST(), outEllipsoid(), outLineSP(), outPeriod(), outPointENU(), outPointLL(), outPointPLH(), outPointSP(), outPointST(), outPointXY(), outPointXYZ(), outRangeSP(), outRangeST(), outRangeT(), outSegmentSP(), outSegmentST(), outTrajectory(), outVector2D(), and outVector3D().

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float8 degrees2radians

(

float8

deg

)

Referenced by distanceSpherePointLL_PointLL(), ll2xy(), and xy2ll().

float8 degrees360

(

float8

degrees180

)

Referenced by degrees360V1().

PGDLLEXPORT Datum degrees360V1

(

PG_FUNCTION_ARGS

)

References degrees360().

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Interval* differenceInInterval	(	Timestamp	tsA,
		Timestamp	tsB,
		Interval *	result
	)

Referenced by distanceInIntervalPeriod_Period(), distanceInIntervalPeriod_Timestamp(), durationInIntervalPeriod(), and durationInIntervalTrajectory().

float8 differenceInSeconds	(	Timestamp	tsA,
		Timestamp	tsB
	)

References interval2seconds().

Referenced by accelerationAtTrajectory(), atInstantSPSegmentST(), atInstantTrajectory(), averageSpeedSegmentST(), compute_segment_dissim(), consistentGiSTSegmentST(), intersectionPointSegmentST_SegmentST(), normalizedSamplingRateTrajectory(), simplifyTrajectory(), speedAtTrajectory(), speedAtTTrajectory(), TrapezoidalSegmentST(), and updateMetadataTrajectory().

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float8 dPi

(

)

Referenced by areaRangeSP().

Timestamp epoch

(

)

Referenced by seconds2timestamp().

PGDLLEXPORT Datum getFalse

(

PG_FUNCTION_ARGS

)

float8 interval2seconds

(

const Interval *

interval

)

Function converting the interval to seconds.

Parameters

[in]

interval

constant pointer to interval

Returns

seconds

Referenced by bufferBoxSTV1(), constructorHighRangeST(), constructorRangeST(), constructorRangeT(), differenceInSeconds(), distancePeriod_Period(), distancePeriod_Timestamp(), durationPeriod(), durationTrajectory(), enlargeBoxSTV1(), inRangeST(), inRangeT(), recvRangeST(), recvRangeT(), setS2T_SimplificationMethodT(), setS2T_TemporalBufferSize(), setTemporalTolerance(), and simplifyTrajectoryV1().

float4 maxFloat4	(	float4	a,
		float4	b
	)

Referenced by maxFloat4V1().

PGDLLEXPORT Datum maxFloat4V1

(

PG_FUNCTION_ARGS

)

References maxFloat4().

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float8 maxFloat8	(	float8	a,
		float8	b
	)

Referenced by maxFloat8V1().

PGDLLEXPORT Datum maxFloat8V1

(

PG_FUNCTION_ARGS

)

References maxFloat8().

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int16 maxInt16	(	int16	a,
		int16	b
	)

Referenced by maxInt16V1().

PGDLLEXPORT Datum maxInt16V1

(

PG_FUNCTION_ARGS

)

References maxInt16().

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int32 maxInt32	(	int32	a,
		int32	b
	)

Referenced by maxInt32V1().

PGDLLEXPORT Datum maxInt32V1

(

PG_FUNCTION_ARGS

)

References maxInt32().

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int64 maxInt64	(	int64	a,
		int64	b
	)

Referenced by maxInt64V1().

PGDLLEXPORT Datum maxInt64V1

(

PG_FUNCTION_ARGS

)

References maxInt64().

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Interval* maxInterval	(	const Interval *	a,
		const Interval *	b
	)

Referenced by maxIntervalV1().

PGDLLEXPORT Datum maxIntervalV1

(

PG_FUNCTION_ARGS

)

References maxInterval().

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Timestamp maxTimestamp	(	Timestamp	a,
		Timestamp	b
	)

Referenced by maxTimestampV1().

PGDLLEXPORT Datum maxTimestampV1

(

PG_FUNCTION_ARGS

)

References maxTimestamp().

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float4 minFloat4	(	float4	a,
		float4	b
	)

Referenced by minFloat4V1().

PGDLLEXPORT Datum minFloat4V1

(

PG_FUNCTION_ARGS

)

References minFloat4().

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float8 minFloat8	(	float8	a,
		float8	b
	)

Referenced by distanceBoxSP_SegmentSP(), and minFloat8V1().

PGDLLEXPORT Datum minFloat8V1

(

PG_FUNCTION_ARGS

)

References minFloat8().

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int16 minInt16	(	int16	a,
		int16	b
	)

Referenced by minInt16V1().

PGDLLEXPORT Datum minInt16V1

(

PG_FUNCTION_ARGS

)

References minInt16().

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int32 minInt32	(	int32	a,
		int32	b
	)

Referenced by minInt32V1().

PGDLLEXPORT Datum minInt32V1

(

PG_FUNCTION_ARGS

)

References minInt32().

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int64 minInt64	(	int64	a,
		int64	b
	)

Referenced by minInt64V1().

PGDLLEXPORT Datum minInt64V1

(

PG_FUNCTION_ARGS

)

References minInt64().

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Interval* minInterval	(	const Interval *	a,
		const Interval *	b
	)

Referenced by minIntervalV1().

PGDLLEXPORT Datum minIntervalV1

(

PG_FUNCTION_ARGS

)

References minInterval().

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Timestamp minTimestamp	(	Timestamp	a,
		Timestamp	b
	)

Referenced by minTimestampV1().

PGDLLEXPORT Datum minTimestampV1

(

PG_FUNCTION_ARGS

)

References minTimestamp().

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float8 Pi

(

)

float8 radians2degrees

(

float8

rad

)

Referenced by angleDistanceTraclus(), and xy2ll().

Timestamp roundTimestamp

(

Timestamp

ts

)

References round(), and seconds2interval().

Referenced by atPointTSegmentST(), and roundTimestampV1().

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PGDLLEXPORT Datum roundTimestampV1

(

PG_FUNCTION_ARGS

)

References roundTimestamp().

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Interval* seconds2interval	(	float8	seconds,
		Interval *	result
	)

Function converting the interval to seconds in its place.

Parameters

[in]	seconds	Seconds
[in]	result	pointer to result

Returns

seconds

Referenced by getS2T_TemporalBufferSize(), getS2T_VotingSignal(), getTemporalTolerance(), roundTimestamp(), samplingPeriodTrajectoryV1(), seconds2timestamp(), timestampMinusSeconds(), and timestampPlusSeconds().

Timestamp seconds2timestamp

(

float8

seconds

)

Function converting seconds to timestamp.

Parameters

seconds

Returns

timestamp

References epoch(), and seconds2interval().

Referenced by centroidTrajectory(), simplifyEpochTrajectory(), and Vector3D2PointST().

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float8 timestamp2seconds

(

Timestamp

ts

)

Function converting timestamp to seconds.

Parameters

ts

timestamp

Returns

seconds

Referenced by accelerationAtTTrajectory(), atInstantTrajectory(), atPeriodTrajectory(), centroidTrajectory(), compute_segment_dissim(), PointST2Vector3D(), simplifyEpochTrajectory(), and speedAtTTrajectory().

Timestamp timestampMinusSeconds	(	Timestamp	ts,
		float8	seconds
	)

References seconds2interval().

Referenced by bufferBoxST(), and enlargeBoxST().

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Timestamp timestampPlusSeconds	(	Timestamp	ts,
		float8	seconds
	)

References seconds2interval().

Referenced by atBoxTrajectory(), atDistanceTrajectory(), atPointTrajectory(), atPointTSegmentST(), bufferBoxST(), enlargeBoxST(), simplifyTrajectory(), and speedAtTTrajectory().

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float8 toPrecision	(	float8	n,
		float8	precision
	)

References precision, and round().

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