vec2d.h File Reference

2D floating point vector functions. More...

#include "QueryEngine/ExtensionFunctions/h3lib/include/h3api.h"
#include "QueryEngine/ExtensionFunctions/h3lib/lib/vec2d.hpp"

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Macros
#define	X_INDEX   0
#define	Y_INDEX   1
#define	Vec2d(variable_name)   double variable_name[2]
#define	Vec2dArray(variable_name, size)   double variable_name[size][2]

Functions
EXTENSION_INLINE double	_v2dMag (const Vec2d(v))

Detailed Description

2D floating point vector functions.

Definition in file vec2d.h.

Macro Definition Documentation

#define Vec2d

(

variable_name

)

double variable_name[2]

Definition at line 28 of file vec2d.h.

Referenced by _faceIjkToGeo(), and _geoToFaceIjk().

#define Vec2dArray	(		variable_name,
			size
	)		double variable_name[size][2]

Definition at line 29 of file vec2d.h.

#define X_INDEX   0

Definition at line 26 of file vec2d.h.

Referenced by _geoToHex2d(), _geoToVec3d(), _hex2dToCoordIJK(), _hex2dToGeo(), _ijkToHex2d(), _pointSquareDist(), and _v2dMag().

#define Y_INDEX   1

Definition at line 27 of file vec2d.h.

Referenced by _geoToHex2d(), _geoToVec3d(), _hex2dToCoordIJK(), _hex2dToGeo(), _ijkToHex2d(), _pointSquareDist(), and _v2dMag().

Function Documentation

EXTENSION_INLINE double _v2dMag

(

const

Vec2dv

)

Calculates the magnitude of a 2D cartesian vector.

Parameters

v	The 2D cartesian vector.

Returns

The magnitude of the vector.

Definition at line 30 of file vec2d.hpp.

References X_INDEX, and Y_INDEX.

Referenced by _hex2dToGeo().

                                                {
  return sqrt(v[X_INDEX] * v[X_INDEX] + v[Y_INDEX] * v[Y_INDEX]);
}

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