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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