Math2d Namespace Reference

Efficient mathematic functions operating on the data types Vec2d and Mat2d. More...

Functions
void	AddToVec (Vec2d &vec, const Vec2d &vectorToAdd)
void	AddVecVec (const Vec2d &vector1, const Vec2d &vector2, Vec2d &result)
float	Angle (const Vec2d &vector1, const Vec2d &vector2)
void	ApplyHomography (const Mat3d &A, const Vec2d &p, Vec2d &result)
void	Average (const Vec2d &vector1, const Vec2d &vector2, Vec2d &result)
void	ComputeRectangleCornerPoints (const Rectangle2d &rectangle, Vec2d resultCornerPoints[4])
float	Distance (const Vec2d &vector1, const Vec2d &vector2)
void	Invert (const Mat2d &matrix, Mat2d &result)
float	Length (const Vec2d &vec)
void	Mean (const CVec2dArray &vectorList, Vec2d &result)
void	Mean (const Vec2d *pVectors, int nVectors, Vec2d &result)
void	MulMatMat (const Mat2d &matrix1, const Mat2d &matrix2, Mat2d &result)
void	MulMatScalar (const Mat2d &matrix, float scalar, Mat2d &result)
void	MulMatVec (const Mat2d &matrix, const Vec2d &vec, Vec2d &result)
void	MulMatVec (const Mat2d &matrix, const Vec2d &vector1, const Vec2d &vector2, Vec2d &result)
void	MulVecScalar (const Vec2d &vec, float scalar, Vec2d &result)
void	NormalizeVec (Vec2d &vec)
void	RotateVec (const Vec2d &vec, float angle, Vec2d &result)
void	RotateVec (const Vec2d &point, const Vec2d &center, float angle, Vec2d &result)
float	ScalarProduct (const Vec2d &vector1, const Vec2d &vector2)
void	SetRotationMat (Mat2d &matrix, float angle)
void	SetVec (Vec2d &vec, float x, float y)
void	SetVec (Vec2d &vec, const Vec2d &sourceVector)
float	SquaredDistance (const Vec2d &vector1, const Vec2d &vector2)
float	SquaredLength (const Vec2d &vec)
void	SubtractFromVec (Vec2d &vec, const Vec2d &vectorToSubtract)
void	SubtractVecVec (const Vec2d &vector1, const Vec2d &vector2, Vec2d &result)
void	Transpose (const Mat2d &matrix, Mat2d &result)

Variables
const Vec2d	zero_vec = { 0, 0 }

Detailed Description

Efficient mathematic functions operating on the data types Vec2d and Mat2d.

Function Documentation

void Math2d::AddToVec	(	Vec2d &	vec,
		const Vec2d &	vectorToAdd
	)

Definition at line 81 of file Math2d.cpp.

void Math2d::AddVecVec	(	const Vec2d &	vector1,
		const Vec2d &	vector2,
		Vec2d &	result
	)

Definition at line 93 of file Math2d.cpp.

float Math2d::Angle	(	const Vec2d &	vector1,
		const Vec2d &	vector2
	)

Definition at line 197 of file Math2d.cpp.

void Math2d::ApplyHomography	(	const Mat3d &	A,
		const Vec2d &	p,
		Vec2d &	result
	)

Definition at line 253 of file Math2d.cpp.

void Math2d::Average	(	const Vec2d &	vector1,
		const Vec2d &	vector2,
		Vec2d &	result
	)

Definition at line 267 of file Math2d.cpp.

void Math2d::ComputeRectangleCornerPoints	(	const Rectangle2d &	rectangle,
		Vec2d	resultCornerPoints[4]
	)

Definition at line 298 of file Math2d.cpp.

float Math2d::Distance	(	const Vec2d &	vector1,
		const Vec2d &	vector2
	)

Definition at line 181 of file Math2d.cpp.

void Math2d::Invert	(	const Mat2d &	matrix,
		Mat2d &	result
	)

Definition at line 238 of file Math2d.cpp.

float Math2d::Length

(

const Vec2d &

vec

)

Definition at line 171 of file Math2d.cpp.

void Math2d::Mean	(	const CVec2dArray &	vectorList,
		Vec2d &	result
	)

Definition at line 273 of file Math2d.cpp.

void Math2d::Mean	(	const Vec2d *	pVectors,
		int	nVectors,
		Vec2d &	result
	)

Definition at line 278 of file Math2d.cpp.

void Math2d::MulMatMat	(	const Mat2d &	matrix1,
		const Mat2d &	matrix2,
		Mat2d &	result
	)

Definition at line 117 of file Math2d.cpp.

void Math2d::MulMatScalar	(	const Mat2d &	matrix,
		float	scalar,
		Mat2d &	result
	)

Definition at line 109 of file Math2d.cpp.

void Math2d::MulMatVec	(	const Mat2d &	matrix,
		const Vec2d &	vec,
		Vec2d &	result
	)

Definition at line 128 of file Math2d.cpp.

void Math2d::MulMatVec	(	const Mat2d &	matrix,
		const Vec2d &	vector1,
		const Vec2d &	vector2,
		Vec2d &	result
	)

Definition at line 135 of file Math2d.cpp.

void Math2d::MulVecScalar	(	const Vec2d &	vec,
		float	scalar,
		Vec2d &	result
	)

Definition at line 142 of file Math2d.cpp.

void Math2d::NormalizeVec

(

Vec2d &

vec

)

Definition at line 160 of file Math2d.cpp.

void Math2d::RotateVec	(	const Vec2d &	vec,
		float	angle,
		Vec2d &	result
	)

Definition at line 206 of file Math2d.cpp.

void Math2d::RotateVec	(	const Vec2d &	point,
		const Vec2d &	center,
		float	angle,
		Vec2d &	result
	)

Definition at line 216 of file Math2d.cpp.

float Math2d::ScalarProduct	(	const Vec2d &	vector1,
		const Vec2d &	vector2
	)

Definition at line 155 of file Math2d.cpp.

void Math2d::SetRotationMat	(	Mat2d &	matrix,
		float	angle
	)

Definition at line 99 of file Math2d.cpp.

void Math2d::SetVec	(	Vec2d &	vec,
		float	x,
		float	y
	)

Definition at line 68 of file Math2d.cpp.

void Math2d::SetVec	(	Vec2d &	vec,
		const Vec2d &	sourceVector
	)

Definition at line 74 of file Math2d.cpp.

float Math2d::SquaredDistance	(	const Vec2d &	vector1,
		const Vec2d &	vector2
	)

Definition at line 189 of file Math2d.cpp.

float Math2d::SquaredLength

(

const Vec2d &

vec

)

Definition at line 176 of file Math2d.cpp.

void Math2d::SubtractFromVec	(	Vec2d &	vec,
		const Vec2d &	vectorToSubtract
	)

Definition at line 87 of file Math2d.cpp.

void Math2d::SubtractVecVec	(	const Vec2d &	vector1,
		const Vec2d &	vector2,
		Vec2d &	result
	)

Definition at line 148 of file Math2d.cpp.

void Math2d::Transpose	(	const Mat2d &	matrix,
		Mat2d &	result
	)

Definition at line 228 of file Math2d.cpp.

Variable Documentation

const Vec2d Math2d::zero_vec = { 0, 0 }

Definition at line 61 of file Math2d.cpp.