std::indirect_array

Langue: en

Autres versions - même langue

Version: 322104 (ubuntu - 08/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

std::indirect_array - Reference to arbitrary subset of an array.

SYNOPSIS


Public Types


typedef _Tp value_type

Public Member Functions


indirect_array (const indirect_array &)

template<class _Dom > void operator%= (const _Expr< _Dom, _Tp > &) const

void operator%= (const valarray< _Tp > &) const

template<class _Dom > void operator&= (const _Expr< _Dom, _Tp > &) const

void operator&= (const valarray< _Tp > &) const

template<class _Dom > void operator*= (const _Expr< _Dom, _Tp > &) const

void operator*= (const valarray< _Tp > &) const

template<class _Dom > void operator+= (const _Expr< _Dom, _Tp > &) const

void operator+= (const valarray< _Tp > &) const

template<class _Dom > void operator-= (const _Expr< _Dom, _Tp > &) const

void operator-= (const valarray< _Tp > &) const

template<class _Dom > void operator/= (const _Expr< _Dom, _Tp > &) const

void operator/= (const valarray< _Tp > &) const

template<class _Dom > void operator<<= (const _Expr< _Dom, _Tp > &) const

void operator<<= (const valarray< _Tp > &) const

template<class _Dom > void operator= (const _Expr< _Dom, _Tp > &) const

void operator= (const _Tp &) const

void operator= (const valarray< _Tp > &) const

indirect_array & operator= (const indirect_array &)

template<class _Dom > void operator>>= (const _Expr< _Dom, _Tp > &) const

void operator>>= (const valarray< _Tp > &) const

template<class _Dom > void operator^= (const _Expr< _Dom, _Tp > &) const

void operator^= (const valarray< _Tp > &) const

template<class _Dom > void operator|= (const _Expr< _Dom, _Tp > &) const

void operator|= (const valarray< _Tp > &) const

Friends


class gslice_array< _Tp >

class valarray< _Tp >

Detailed Description

template<class _Tp> class std::indirect_array< _Tp >

An indirect_array is a reference to the actual elements of an array specified by an ordered array of indices. The way to get an indirect_array is to call operator[](valarray<size_t>) on a valarray. The returned indirect_array then permits carrying operations out on the referenced subset of elements in the original valarray.

For example, if an indirect_array is obtained using the array (4,2,0) as an argument, and then assigned to an array containing (1,2,3), then the underlying array will have array[0]==3, array[2]==2, and array[4]==1.

Parameters:

Tp Element type.

Definition at line 61 of file indirect_array.h.

Constructor & Destructor Documentation

template<typename _Tp > std::indirect_array< _Tp >::indirect_array (const indirect_array< _Tp > & __a) [inline]

Copy constructor. Both slices refer to the same underlying array.

Definition at line 142 of file indirect_array.h.

Member Function Documentation

template<typename _Tp > void std::indirect_array< _Tp >::operator%= (const valarray< _Tp > & __v) const [inline]

Modulo slice elements by corresponding elements of v.

Definition at line 195 of file indirect_array.h.

template<typename _Tp > void std::indirect_array< _Tp >::operator&= (const valarray< _Tp > & __v) const [inline]

Logical and slice elements with corresponding elements of v.

Definition at line 199 of file indirect_array.h.

template<typename _Tp > void std::indirect_array< _Tp >::operator*= (const valarray< _Tp > & __v) const [inline]

Multiply slice elements by corresponding elements of v.

Definition at line 193 of file indirect_array.h.

template<typename _Tp > void std::indirect_array< _Tp >::operator+= (const valarray< _Tp > & __v) const [inline]

Add corresponding elements of v to slice elements.

Definition at line 196 of file indirect_array.h.

template<typename _Tp > void std::indirect_array< _Tp >::operator-= (const valarray< _Tp > & __v) const [inline]

Subtract corresponding elements of v from slice elements.

Definition at line 197 of file indirect_array.h.

template<typename _Tp > void std::indirect_array< _Tp >::operator/= (const valarray< _Tp > & __v) const [inline]

Divide slice elements by corresponding elements of v.

Definition at line 194 of file indirect_array.h.

template<typename _Tp > void std::indirect_array< _Tp >::operator<<= (const valarray< _Tp > & __v) const [inline]

Left shift slice elements by corresponding elements of v.

Definition at line 201 of file indirect_array.h.

template<typename _Tp > void std::indirect_array< _Tp >::operator= (const _Tp & __t) const [inline]

Assign all slice elements to t.

Definition at line 162 of file indirect_array.h.

template<typename _Tp > void std::indirect_array< _Tp >::operator= (const valarray< _Tp > & __v) const [inline]

Assign slice elements to corresponding elements of v.

Definition at line 167 of file indirect_array.h.

template<typename _Tp > indirect_array< _Tp > & std::indirect_array< _Tp >::operator= (const indirect_array< _Tp > & __a) [inline]

Assignment operator. Assigns elements to corresponding elements of a.

Definition at line 153 of file indirect_array.h.

References std::indirect_array< _Tp >::_M_array, and std::indirect_array< _Tp >::_M_index.

template<typename _Tp > void std::indirect_array< _Tp >::operator>>= (const valarray< _Tp > & __v) const [inline]

Right shift slice elements by corresponding elements of v.

Definition at line 202 of file indirect_array.h.

template<typename _Tp > void std::indirect_array< _Tp >::operator^= (const valarray< _Tp > & __v) const [inline]

Logical xor slice elements with corresponding elements of v.

Definition at line 198 of file indirect_array.h.

template<typename _Tp > void std::indirect_array< _Tp >::operator|= (const valarray< _Tp > & __v) const [inline]

Logical or slice elements with corresponding elements of v.

Definition at line 200 of file indirect_array.h.

Author

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