table of contents
std::mask_array< _Tp >(3cxx) | std::mask_array< _Tp >(3cxx) |
NAME¶
std::mask_array< _Tp >
SYNOPSIS¶
Public Types¶
typedef _Tp value_type
Public Member Functions¶
mask_array (const mask_array &)
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
mask_array & operator= (const mask_array &)
void operator= (const valarray< _Tp > &) const
void operator= (const _Tp &) const
template<class _Dom > void operator= (const _Expr< _Dom, _Tp
> &) const
template<class _Ex > void operator= (const _Expr< _Ex, _Tp
> &__e) 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
Friends¶
class valarray< _Tp >
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:
Definition at line 83 of file valarray.
Author¶
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Wed Apr 11 2018 | libstdc++ |