A triple of three indices. More...

#include <geogram/mesh/index.h>

Public Types
enum	KeepOrderType { KEEP_ORDER }
	This type is used to overload basic_trindex constructors with versions that keep the order of the stored indices. More...

Public Member Functions
	basic_trindex ()
	Creates an uninitialized basic_trindex.

	basic_trindex (IndexType i, IndexType j, IndexType k)
	Creates a basic_trindex from three integers. More...

	basic_trindex (IndexType i, IndexType j, IndexType k, KeepOrderType order)
	Creates a basic_trindex from three integers and keeps their order. More...

bool	operator< (const basic_trindex< IndexType > &rhs) const
	Compares two basic_trindex. More...

bool	operator== (const basic_trindex< IndexType > &rhs) const
	Compares two basic_trindex. More...

bool	operator!= (const basic_trindex< IndexType > &rhs) const
	Compares two basic_trindex. More...

	basic_trindex (const basic_trindex< IndexType > &rhs)=default
	Constructs a basic_trindex from another one. More...

basic_trindex< IndexType > &	operator= (const basic_trindex< IndexType > &rhs)=default
	Assigns a basic_trindex to this one. More...

Static Public Member Functions
static bool	same_orientation (const basic_trindex< IndexType > &t, IndexType i, IndexType j, IndexType k)
	Tests whether a basic_trindex has the same orientation as a triple of integers. More...

static bool	same_orientation (const basic_trindex< IndexType > &t1, const basic_trindex< IndexType > &t2)
	Tests whether two basic_trindex have the same orientation. More...

static basic_trindex	inverse (const basic_trindex< IndexType > &t)
	Computes the inverse of a basic_trindex. More...

Public Attributes
IndexType	indices [3]
	The array of 3 indices.

Related Functions
(Note that these are not member functions.)
template<class IndexType >
std::ostream &	operator<< (std::ostream &out, const basic_trindex< IndexType > &T)
	Writes a basic_trindex to a stream. More...

Detailed Description

template<class IndexType>
struct GEO::basic_trindex< IndexType >

A triple of three indices.

Can be used as a key in associative data structures (std::map, std::set). The indices are defined by IndexType, generally signed or unsigned integers.

Template Parameters

IndexType type of the indices

Definition at line 239 of file index.h.

Member Enumeration Documentation

◆ KeepOrderType

template<class IndexType >

enum GEO::basic_trindex::KeepOrderType

This type is used to overload basic_trindex constructors with versions that keep the order of the stored indices.

Enumerator
KEEP_ORDER	Value to pass to basic_trindex ordered constructor

Definition at line 250 of file index.h.

Constructor & Destructor Documentation

◆ basic_trindex() [1/3]

template<class IndexType >

GEO::basic_trindex< IndexType >::basic_trindex	(	IndexType	i,
		IndexType	j,
		IndexType	k
	)

inline

Creates a basic_trindex from three integers.

The integers are reordered.

Parameters

[in]	i	first integer
[in]	j	second integer
[in]	k	third integer

Definition at line 268 of file index.h.

◆ basic_trindex() [2/3]

template<class IndexType >

GEO::basic_trindex< IndexType >::basic_trindex	(	IndexType	i,
		IndexType	j,
		IndexType	k,
		KeepOrderType	order
	)

inline

Creates a basic_trindex from three integers and keeps their order.

The integers are not sorted.

Parameters

[in]	i	first integer
[in]	j	second integer
[in]	k	third integer
[in]	order	argument of type KeepOrderType used to select the right constructor. Use `basic_trindex:`:KEEP_ORDER for this argument.

Definition at line 290 of file index.h.

◆ basic_trindex() [3/3]

template<class IndexType >

GEO::basic_trindex< IndexType >::basic_trindex ( const basic_trindex< IndexType > & rhs )

default

Constructs a basic_trindex from another one.

Parameters

[in] rhs the basic_trindex this basic_trindex should be copied from

Member Function Documentation

◆ inverse()

template<class IndexType >

static basic_trindex GEO::basic_trindex< IndexType >::inverse ( const basic_trindex< IndexType > & t )

inlinestatic

Computes the inverse of a basic_trindex.

The inverse of a basic_trindex has the same indices but in reverse order.

Parameters

[in] t the basic_trindex

Returns: a basic_trindex with the same indices as t but in reverse order.

Definition at line 412 of file index.h.

◆ operator!=()

template<class IndexType >

bool GEO::basic_trindex< IndexType >::operator!= ( const basic_trindex< IndexType > & rhs ) const

inline

Compares two basic_trindex.

Parameters

[in] rhs the basic_trindex to compare this basic_trindex with.

Returns: true if one of the indices in rhs differs from the index in this basic_trindex at the same position, false otherwise.

Definition at line 340 of file index.h.

◆ operator<()

template<class IndexType >

bool GEO::basic_trindex< IndexType >::operator< ( const basic_trindex< IndexType > & rhs ) const

inline

Compares two basic_trindex.

Parameters

[in] rhs the basic_trindex to compares this basic_trindex with.

Returns: true if rhs is smaller than this basic_trindex according to the lexicographic order, false otherwise.

Definition at line 308 of file index.h.

◆ operator=()

template<class IndexType >

basic_trindex<IndexType>& GEO::basic_trindex< IndexType >::operator= ( const basic_trindex< IndexType > & rhs )

default

Assigns a basic_trindex to this one.

Parameters

[in] rhs the basic_trindex this basic_trindex should be assigned from

Returns: a reference to this basic_trindex

◆ operator==()

template<class IndexType >

bool GEO::basic_trindex< IndexType >::operator== ( const basic_trindex< IndexType > & rhs ) const

inline

Compares two basic_trindex.

Parameters

[in] rhs the basic_trindex to compare this basic_trindex with.

Returns: true of all indices of this basic_trindex correspond to the indices in rhs at the same positions, false otherwise.

Definition at line 326 of file index.h.

◆ same_orientation() [1/2]

template<class IndexType >

static bool GEO::basic_trindex< IndexType >::same_orientation	(	const basic_trindex< IndexType > &	t,
		IndexType	i,
		IndexType	j,
		IndexType	k
	)

inlinestatic

Tests whether a basic_trindex has the same orientation as a triple of integers.

Two basic_trindex have the same orientation if one of them is a circular permutation of the other one.

Parameters

[in]	t	the basic_trindex
[in]	i	first index
[in]	j	second index
[in]	k	third index

Returns: true if the indices in t are a circular permutation of (i, j, k), false otherwise.

Definition at line 376 of file index.h.

◆ same_orientation() [2/2]

template<class IndexType >

static bool GEO::basic_trindex< IndexType >::same_orientation	(	const basic_trindex< IndexType > &	t1,
		const basic_trindex< IndexType > &	t2
	)

inlinestatic

Tests whether two basic_trindex have the same orientation.

Two basic_trindex have the same orientation if one of them is a circular permutation of the other one.

Parameters

[in]	t1	first basic_trindex
[in]	t2	second basic_trindex

Returns: true if the indices in t2 are a circular permutation of the indices in t1, false otherwise.

Definition at line 395 of file index.h.

Friends And Related Function Documentation

◆ operator<<()

template<class IndexType >

std::ostream & operator<<	(	std::ostream &	out,
		const basic_trindex< IndexType > &	T
	)

Displays all the indices of the basic_trindex T.

Parameters

[in]	out	the output stream
[in]	T	the basic_trindex to write

Template Parameters

IndexType type of the indices

Returns: a reference to the output stream out

Definition at line 441 of file index.h.

The documentation for this struct was generated from the following file:

geogram/mesh/index.h

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Related Functions

Detailed Description

template<class IndexType> struct GEO::basic_trindex< IndexType >

Member Enumeration Documentation

◆ KeepOrderType

Constructor & Destructor Documentation

◆ basic_trindex() [1/3]

◆ basic_trindex() [2/3]

◆ basic_trindex() [3/3]

Member Function Documentation

◆ inverse()

◆ operator!=()

◆ operator<()

◆ operator=()

◆ operator==()

◆ same_orientation() [1/2]

◆ same_orientation() [2/2]

Friends And Related Function Documentation

◆ operator<<()

template<class IndexType>
struct GEO::basic_trindex< IndexType >