std::indirect_array< _Tp >(3cxx) | std::indirect_array< _Tp >(3cxx) |
NAME¶
std::indirect_array< _Tp > - Reference to arbitrary subset of an array.
SYNOPSIS¶
#include <valarray>
Public Types¶
typedef _Tp value_type
Public Member Functions¶
indirect_array (const indirect_array &)
Copy constructor. Both slices refer to the same underlying array.
template<class _Dom > void operator%=
(const _Expr< _Dom, _Tp > &) const
void operator%= (const valarray< _Tp >
&) const
Modulo slice elements by corresponding elements of v.
template<class _Dom > void operator&=
(const _Expr< _Dom, _Tp > &) const
void operator&= (const valarray< _Tp >
&) const
Logical and slice elements with corresponding elements of v.
template<class _Dom > void operator*=
(const _Expr< _Dom, _Tp > &) const
void operator*= (const valarray< _Tp >
&) const
Multiply slice elements by corresponding elements of v.
template<class _Dom > void operator+=
(const _Expr< _Dom, _Tp > &) const
void operator+= (const valarray< _Tp >
&) const
Add corresponding elements of v to slice elements.
template<class _Dom > void operator-=
(const _Expr< _Dom, _Tp > &) const
void operator-= (const valarray< _Tp >
&) const
Subtract corresponding elements of v from slice elements.
template<class _Dom > void operator/=
(const _Expr< _Dom, _Tp > &) const
void operator/= (const valarray< _Tp >
&) const
Divide slice elements by corresponding elements of v.
template<class _Dom > void
operator<<= (const _Expr< _Dom, _Tp >
&) const
void operator<<= (const valarray< _Tp
> &) const
Left shift slice elements by corresponding elements of v.
template<class _Dom > void operator=
(const _Expr< _Dom, _Tp > &) const
void operator= (const _Tp &) const
Assign all slice elements to t. indirect_array &
operator= (const indirect_array &)
Assignment operator. Assigns elements to corresponding elements of a.
template<typename _Tp > indirect_array< _Tp >
& operator= (const indirect_array< _Tp >
&__a)
void operator= (const valarray< _Tp > &)
const
Assign slice elements to corresponding elements of v.
template<class _Dom > void
operator>>= (const _Expr< _Dom, _Tp >
&) const
void operator>>= (const valarray< _Tp
> &) const
Right shift slice elements by corresponding elements of v.
template<class _Dom > void operator^=
(const _Expr< _Dom, _Tp > &) const
void operator^= (const valarray< _Tp >
&) const
Logical xor slice elements with corresponding elements of v.
template<class _Dom > void operator|=
(const _Expr< _Dom, _Tp > &) const
void operator|= (const valarray< _Tp >
&) const
Logical or slice elements with corresponding elements of v.
Friends¶
class gslice_array< _Tp >
class valarray< _Tp >
Detailed Description¶
template<class _Tp>¶
class std::indirect_array< _Tp >"Reference to arbitrary subset of an array.
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
Constructor & Destructor Documentation¶
template<class _Tp > std::indirect_array< _Tp >::indirect_array (const indirect_array< _Tp > &)¶
Copy constructor. Both slices refer to the same underlying array.
Member Function Documentation¶
template<class _Tp > void std::indirect_array< _Tp >::operator%= (const valarray< _Tp > &) const¶
Modulo slice elements by corresponding elements of v.
template<class _Tp > void std::indirect_array< _Tp >::operator&= (const valarray< _Tp > &) const¶
Logical and slice elements with corresponding elements of v.
template<class _Tp > void std::indirect_array< _Tp >::operator*= (const valarray< _Tp > &) const¶
Multiply slice elements by corresponding elements of v.
template<class _Tp > void std::indirect_array< _Tp >::operator+= (const valarray< _Tp > &) const¶
Add corresponding elements of v to slice elements.
template<class _Tp > void std::indirect_array< _Tp >::operator-= (const valarray< _Tp > &) const¶
Subtract corresponding elements of v from slice elements.
template<class _Tp > void std::indirect_array< _Tp >::operator/= (const valarray< _Tp > &) const¶
Divide slice elements by corresponding elements of v.
template<class _Tp > void std::indirect_array< _Tp >::operator<<= (const valarray< _Tp > &) const¶
Left shift slice elements by corresponding elements of v.
template<class _Tp > indirect_array & std::indirect_array< _Tp >::operator= (const indirect_array< _Tp > &)¶
Assignment operator. Assigns elements to corresponding elements of a.
template<class _Tp > void std::indirect_array< _Tp >::operator>>= (const valarray< _Tp > &) const¶
Right shift slice elements by corresponding elements of v.
template<class _Tp > void std::indirect_array< _Tp >::operator^= (const valarray< _Tp > &) const¶
Logical xor slice elements with corresponding elements of v.
template<class _Tp > void std::indirect_array< _Tp >::operator|= (const valarray< _Tp > &) const¶
Logical or slice elements with corresponding elements of v.
Author¶
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