Math2d Namespace Reference

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

Functions
void	SetVec (Vec2d &vec, float x, float y)
void	SetVec (Vec2d &vec, const Vec2d &sourceVector)
void	SetRotationMat (Mat2d &matrix, float theta)
void	MulMatMat (const Mat2d &matrix1, const Mat2d &matrix2, 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	MulMatScalar (const Mat2d &matrix, float scalar, Mat2d &result)
void	MulVecScalar (const Vec2d &vec, float scalar, Vec2d &result)
void	RotateVec (const Vec2d &vec, float alpha, Vec2d &result)
void	AddVecVec (const Vec2d &vector1, const Vec2d &vector2, Vec2d &result)
void	SubtractVecVec (const Vec2d &vector1, const Vec2d &vector2, Vec2d &result)
void	AddToVec (Vec2d &vec, const Vec2d &vectorToAdd)
void	SubtractFromVec (Vec2d &vec, const Vec2d &vectorToSubtract)
float	ScalarProduct (const Vec2d &vector1, const Vec2d &vector2)
float	SquaredLength (const Vec2d &vec)
float	Length (const Vec2d &vec)
float	Distance (const Vec2d &vector1, const Vec2d &vector2)
float	SquaredDistance (const Vec2d &vector1, const Vec2d &vector2)
float	Angle (const Vec2d &vector1, const Vec2d &vector2)
void	Transpose (const Mat2d &matrix, Mat2d &result)
void	Invert (const Mat2d &matrix, Mat2d &result)
void	NormalizeVec (Vec2d &vec)
void	ApplyHomography (const Mat3d &A, const Vec2d &p, Vec2d &result)
Variables
const Vec2d	zero_vec = { 0, 0 }

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Detailed Description

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

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Function Documentation

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

Definition at line 79 of file Math2d.cpp.

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

Definition at line 91 of file Math2d.cpp.

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

Definition at line 195 of file Math2d.cpp.

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

Definition at line 239 of file Math2d.cpp.

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

Definition at line 179 of file Math2d.cpp.

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

Definition at line 224 of file Math2d.cpp.

float Math2d::Length

(

const Vec2d &

vec

)

Definition at line 169 of file Math2d.cpp.

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

Definition at line 115 of file Math2d.cpp.

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

Definition at line 107 of file Math2d.cpp.

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

Definition at line 126 of file Math2d.cpp.

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

Definition at line 133 of file Math2d.cpp.

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

Definition at line 140 of file Math2d.cpp.

void Math2d::NormalizeVec

(

Vec2d &

vec

)

Definition at line 158 of file Math2d.cpp.

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

Definition at line 204 of file Math2d.cpp.

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

Definition at line 153 of file Math2d.cpp.

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

Definition at line 97 of file Math2d.cpp.

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

Definition at line 72 of file Math2d.cpp.

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

Definition at line 66 of file Math2d.cpp.

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

Definition at line 187 of file Math2d.cpp.

float Math2d::SquaredLength

(

const Vec2d &

vec

)

Definition at line 174 of file Math2d.cpp.

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

Definition at line 85 of file Math2d.cpp.

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

Definition at line 146 of file Math2d.cpp.

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

Definition at line 214 of file Math2d.cpp.

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Variable Documentation

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

Definition at line 59 of file Math2d.cpp.