#include <mask_array.h>
Public Types | |
typedef Type | value_type |
Public Member Functions | |
mask_array (const mask_array &) | |
Copy constructor. Both slices refer to the same underlying array. | |
mask_array & | operator= (const mask_array &) |
Assignment operator. Assigns elements to corresponding elements of a. | |
void | operator= (const valarray< Type > &) const |
void | operator *= (const valarray< Type > &) const |
Multiply slice elements by corresponding elements of v. | |
void | operator/= (const valarray< Type > &) const |
Divide slice elements by corresponding elements of v. | |
void | operator%= (const valarray< Type > &) const |
Modulo slice elements by corresponding elements of v. | |
void | operator+= (const valarray< Type > &) const |
Add corresponding elements of v to slice elements. | |
void | operator-= (const valarray< Type > &) const |
Subtract corresponding elements of v from slice elements. | |
void | operator^= (const valarray< Type > &) const |
Logical xor slice elements with corresponding elements of v. | |
void | operator &= (const valarray< Type > &) const |
Logical and slice elements with corresponding elements of v. | |
void | operator|= (const valarray< Type > &) const |
Logical or slice elements with corresponding elements of v. | |
void | operator<<= (const valarray< Type > &) const |
Left shift slice elements by corresponding elements of v. | |
void | operator>>= (const valarray< Type > &) const |
Right shift slice elements by corresponding elements of v. | |
void | operator= (const Type &) const |
Assign all slice elements to t. | |
template<class Dom> | |
void | operator= (const Expr< Dom, Type > &) const |
Private Member Functions | |
mask_array (Array< Type >, size_t, Array< bool >) | |
Private Attributes | |
const size_t | M_sz |
const Array< bool > | M_mask |
const Array< Type > | M_array |
Friends | |
class | valarray< Type > |
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.
Tp | Element type. |
Definition at line 61 of file mask_array.h.
std::mask_array< Type >::mask_array | ( | const mask_array< Type > & | a | ) | [inline] |
Copy constructor. Both slices refer to the same underlying array.
Definition at line 139 of file mask_array.h.
mask_array< Type > & std::mask_array< Type >::operator= | ( | const mask_array< Type > & | a | ) | [inline] |
Assignment operator. Assigns elements to corresponding elements of a.
Definition at line 149 of file mask_array.h.
References std::__valarray_copy().
void std::mask_array< Type >::operator *= | ( | const valarray< Type > & | ) | const |
Multiply slice elements by corresponding elements of v.
void std::mask_array< Type >::operator/= | ( | const valarray< Type > & | ) | const |
Divide slice elements by corresponding elements of v.
void std::mask_array< Type >::operator%= | ( | const valarray< Type > & | ) | const |
Modulo slice elements by corresponding elements of v.
void std::mask_array< Type >::operator+= | ( | const valarray< Type > & | ) | const |
Add corresponding elements of v to slice elements.
void std::mask_array< Type >::operator-= | ( | const valarray< Type > & | ) | const |
Subtract corresponding elements of v from slice elements.
void std::mask_array< Type >::operator^= | ( | const valarray< Type > & | ) | const |
Logical xor slice elements with corresponding elements of v.
void std::mask_array< Type >::operator &= | ( | const valarray< Type > & | ) | const |
Logical and slice elements with corresponding elements of v.
void std::mask_array< Type >::operator|= | ( | const valarray< Type > & | ) | const |
Logical or slice elements with corresponding elements of v.
void std::mask_array< Type >::operator<<= | ( | const valarray< Type > & | ) | const |
Left shift slice elements by corresponding elements of v.
void std::mask_array< Type >::operator>>= | ( | const valarray< Type > & | ) | const |
Right shift slice elements by corresponding elements of v.
void std::mask_array< Type >::operator= | ( | const Type & | __t | ) | const [inline] |
Assign all slice elements to t.
Definition at line 158 of file mask_array.h.
References std::__valarray_fill().