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:
Tp Element type.
Definition at line 62 of file mask_array.h.
Author¶
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