#include <cmath>
#include <cassert>
#include <stdexcept>
#include <ostream>
#include <istream>
#include <iomanip>
#include <type_traits>
#include <mia/core/type_traits.hh>
#include <mia/core/errormacro.hh>
#include <mia/core/attributetype.hh>

Include dependency graph for 2d/vector.hh:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	attribute_type< T2DVector< T > >

struct	cross_product< T, Vector >

struct	EAttributeType_2d

struct	less_then< T2DVector< T > >

class	T2DVector< T >
	a 2D vector More...

Typedefs
typedef T2DVector< unsigned int >	C2DBounds
	unsigned int valued 2D vector - used as 2D size parameter More...

typedef T2DVector< double >	C2DDVector
	double valued 2D vector More...

typedef T2DVector< float >	C2DFVector
	float valued 2D vector More...

Functions
template<typename T >
T	cross (const T2DVector< T > &a, const T2DVector< T > &b)

template<typename T >
T	dot (const T2DVector< T > &a, const T2DVector< T > &b)

template<typename T >
T2DVector< T >	operator* (const T2DVector< T > &a, const T2DVector< T > &b)

template<typename T >
T2DVector< T >	operator* (const T2DVector< T > &a, double f)

template<typename T >
T2DVector< T >	operator* (double f, const T2DVector< T > &a)

template<typename T >
T2DVector< T >	operator+ (const T2DVector< T > &a, const T2DVector< T > &b)

template<typename T , typename S >
T2DVector< T >	operator+ (const T2DVector< T > &a, const T2DVector< S > &b)

template<typename T >
T2DVector< T >	operator- (const T2DVector< T > &a, const T2DVector< T > &b)

template<typename T >
T2DVector< T >	operator/ (const T2DVector< T > &a, const T2DVector< T > &b)

template<typename T >
T2DVector< T >	operator/ (const T2DVector< T > &a, double f)

template<typename T , typename S >
bool	operator< (const T2DVector< T > &a, const T2DVector< S > &b)

template<typename T >
std::ostream &	operator<< (std::ostream &os, const T2DVector< T > &a)

template<typename T >
std::istream &	operator>> (std::istream &is, T2DVector< T > &a)

Typedef Documentation

◆ C2DBounds

typedef T2DVector<unsigned int> C2DBounds

unsigned int valued 2D vector - used as 2D size parameter

Definition at line 496 of file 2d/vector.hh.

◆ C2DDVector

typedef T2DVector<double> C2DDVector

double valued 2D vector

Definition at line 493 of file 2d/vector.hh.

◆ C2DFVector

typedef T2DVector<float> C2DFVector

float valued 2D vector

Definition at line 490 of file 2d/vector.hh.

Function Documentation

◆ cross()

template<typename T >

T cross	(	const T2DVector< T > &	a,
		const T2DVector< T > &	b
	)

Cross product of two 2D vectors. Technically it's the 3D cross product with the z-elements set to zero and ignoring all zero elements of the output vector

Parameters

a
b

Returns: 2D cross product

Todo:: Check why does it use indirection to the apply-function?

Definition at line 475 of file 2d/vector.hh.

References cross_product< T, Vector >::apply().

Referenced by TPolyTriangulator< VertexVector, Polygon >::triangulate().

◆ dot()

template<typename T >

T dot	(	const T2DVector< T > &	a,
		const T2DVector< T > &	b
	)

dot product for two 2D vectors that hold the same data type.

Template Parameters

type	of the vector values

Parameters

a
b

Returns: a.x*b.x + a.y*b.y

Definition at line 395 of file 2d/vector.hh.

References T2DVector< T >::x, and T2DVector< T >::y.

◆ operator*() [1/3]

template<typename T >

T2DVector<T> operator*	(	const T2DVector< T > &	a,
		const T2DVector< T > &	b
	)

Element wise multiplication operator for two 2D vectors that hold the same data type

Template Parameters

type	of the vector values

Parameters

a
b

Returns: <a.x*b.x, a.y*b.y>

Definition at line 347 of file 2d/vector.hh.

◆ operator*() [2/3]

template<typename T >

T2DVector<T> operator*	(	const T2DVector< T > &	a,
		double	f
	)

Multiplication of a vector with a scalar.

Template Parameters

type	of the vector values

Parameters

a	vector
f	scalar

Returns: <a.x*f, b.y*f>

Definition at line 425 of file 2d/vector.hh.

◆ operator*() [3/3]

template<typename T >

T2DVector<T> operator*	(	double	f,
		const T2DVector< T > &	a
	)

Multiplication of a scalar with a vector.

Template Parameters

type	of the vector values

Parameters

f	scalar
a	vector

Returns: <a.x*f, b.y*f>

Definition at line 440 of file 2d/vector.hh.

◆ operator+() [1/2]

template<typename T >

T2DVector<T> operator+	(	const T2DVector< T > &	a,
		const T2DVector< T > &	b
	)

Add operator for two 2D vectors that hold the same data type

Template Parameters

type	of the vector values

Parameters

a
b

Returns: a+b

Definition at line 318 of file 2d/vector.hh.

◆ operator+() [2/2]

template<typename T , typename S >

T2DVector<T> operator+	(	const T2DVector< T > &	a,
		const T2DVector< S > &	b
	)

Add operator for two 2D vectors that hold different data types Target type is taken from the lhs operator

Template Parameters

type	of the vector values

Parameters

a
b

Returns: a+b

Definition at line 334 of file 2d/vector.hh.

References T2DVector< T >::x, and T2DVector< T >::y.

◆ operator-()

template<typename T >

T2DVector<T> operator-	(	const T2DVector< T > &	a,
		const T2DVector< T > &	b
	)

Element wise subtraction operator for two 2D vectors that hold the same data type.

Template Parameters

type	of the vector values

Parameters

a
b

Returns: a-b

Definition at line 379 of file 2d/vector.hh.

◆ operator/() [1/2]

template<typename T >

T2DVector<T> operator/	(	const T2DVector< T > &	a,
		const T2DVector< T > &	b
	)

Element wise division operator for two 2D vectors that hold the same data type. Throws a std::invalid_argument exception if b.x=== or b.y==0.

Template Parameters

type	of the vector values

Parameters

a
b

Returns: <a.x/b.x, a.y/b.y>

Definition at line 363 of file 2d/vector.hh.

◆ operator/() [2/2]

template<typename T >

T2DVector<T> operator/	(	const T2DVector< T > &	a,
		double	f
	)

Division of a vector by a scalar. Throws a std::invalid_argument exception if f==0.

Template Parameters

type	of the vector values

Parameters

a
f

Returns: <a.x/f, b.y/f>

Definition at line 410 of file 2d/vector.hh.

◆ operator<()

template<typename T , typename S >

bool operator<	(	const T2DVector< T > &	a,
		const T2DVector< S > &	b
	)

Comparison of a vector. Not the this less operator does not define an order, since it is possible that a =/= b and !a<b && !b<a.

Parameters

a
b

Returns: true if both elements in a are less the the corresponding elements in b.

Definition at line 453 of file 2d/vector.hh.

References T2DVector< T >::x.

◆ operator<<()

template<typename T >

std::ostream& operator<<	(	std::ostream &	os,
		const T2DVector< T > &	a
	)

operator to write a 2D vector to a stream

Template Parameters

type	of the vector values

Parameters

os	output stream
a	vector

Returns: reference to stream to allow chaining of the operator

Definition at line 290 of file 2d/vector.hh.

References T2DVector< T >::print().

◆ operator>>()

template<typename T >

std::istream& operator>>	(	std::istream &	is,
		T2DVector< T > &	a
	)

operator to read a 2D vector from a stream

Template Parameters

type	of the vector values

Parameters

is	input stream
a	vector

Returns: reference to stream to allow chaining of the operator

Definition at line 304 of file 2d/vector.hh.

References T2DVector< T >::read().

Data Structures

Typedefs

Functions

Typedef Documentation

◆ C2DBounds

◆ C2DDVector

◆ C2DFVector

Function Documentation

◆ cross()

◆ dot()

◆ operator*() [1/3]

◆ operator*() [2/3]

◆ operator*() [3/3]

◆ operator+() [1/2]

◆ operator+() [2/2]

◆ operator-()

◆ operator/() [1/2]

◆ operator/() [2/2]

◆ operator<()

◆ operator<<()

◆ operator>>()