std::mask_array(3)
NAME
std::mask_array
SYNOPSIS
Detailed Description
- template<class _Tp> class std::mask_array< _Tp >
- Reference to selected subset of an array.
- A mask_array is a reference to the actual elements of an array specified by a bitmask in the form of an array of bool. The way to get a mask_array is to call operator[](valarray<bool>) on a valarray. The returned mask_array then permits carrying operations out on the referenced subset of elements in the original valarray.
- For example, if a mask_array is obtained using the array (false, true, false, true) as an argument, the mask array has two elements referring to array[1] and array[3] in the underlying array.
- Parameters:
Tp Element type.
- Definition at line 61 of file mask_array.h.
- Public Types
- typedef _Tp value_type
- Public Member Functions
- mask_array (const mask_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 mask_array & operator= (const mask_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 valarray< _Tp >
Constructor & Destructor Documentation
- template<typename _Tp> std::mask_array< _Tp >::mask_array (const
- mask_array< _Tp > & a) [inline] Copy constructor. Both slices refer to the same underlying array.
- Definition at line 138 of file mask_array.h.
Member Function Documentation
- template<typename _Tp> void std::mask_array< _Tp >::operator &= (const
- valarray< _Tp > & __v) const [inline] Logical and slice elements with corresponding elements of v.
- Definition at line 195 of file mask_array.h.
- template<typename _Tp> void std::mask_array< _Tp >::operator%= (const
- valarray< _Tp > & __v) const [inline] Modulo slice elements by corresponding elements of v.
- Definition at line 191 of file mask_array.h.
- template<typename _Tp> void std::mask_array< _Tp >::operator*= (const
- valarray< _Tp > & __v) const [inline] Multiply slice elements by corresponding elements of v.
- Definition at line 189 of file mask_array.h.
- template<typename _Tp> void std::mask_array< _Tp >::operator+= (const
- valarray< _Tp > & __v) const [inline] Add corresponding elements of v to slice elements.
- Definition at line 192 of file mask_array.h.
- template<typename _Tp> void std::mask_array< _Tp >::operator-= (const
- valarray< _Tp > & __v) const [inline] Subtract corresponding elements of v from slice elements.
- Definition at line 193 of file mask_array.h.
- template<typename _Tp> void std::mask_array< _Tp >::operator/= (const
- valarray< _Tp > & __v) const [inline] Divide slice elements by corresponding elements of v.
- Definition at line 190 of file mask_array.h.
- template<typename _Tp> void std::mask_array< _Tp >::operator<<= (const
- valarray< _Tp > & __v) const [inline] Left shift slice elements by corresponding elements of v.
- Definition at line 197 of file mask_array.h.
- template<typename _Tp> void std::mask_array< _Tp >::operator= (const _Tp &
- __t) const [inline]
Assign all slice elements to t. - Definition at line 157 of file mask_array.h.
- template<typename _Tp> mask_array< _Tp > & std::mask_array< _Tp
- >::operator= (const mask_array< _Tp > & __a) [inline] Assignment operator. Assigns elements to corresponding elements of a.
- Definition at line 148 of file mask_array.h.
- References std::mask_array< _Tp >::_M_array, and std::mask_array< _Tp
>::_M_mask. - template<typename _Tp> void std::mask_array< _Tp >::operator>>= (const
- valarray< _Tp > & __v) const [inline] Right shift slice elements by corresponding elements of v.
- Definition at line 198 of file mask_array.h.
- template<typename _Tp> void std::mask_array< _Tp >::operator^= (const
- valarray< _Tp > & __v) const [inline] Logical xor slice elements with corresponding elements of v.
- Definition at line 194 of file mask_array.h.
- template<typename _Tp> void std::mask_array< _Tp >::operator|= (const
- valarray< _Tp > & __v) const [inline] Logical or slice elements with corresponding elements of v.
- Definition at line 196 of file mask_array.h.
Author
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