blackbox of a matrix sum without copying.
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#include <sum.h>
Inherits BlackboxInterface.
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| SumOwner (const Blackbox1 &A, const Blackbox2 &B) |
| Constructor from black box matrices.
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| SumOwner (const Blackbox1 *A_data, const Blackbox2 *B_data) |
| Constructor from black box pointers.
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| SumOwner (const SumOwner< Blackbox1, Blackbox2 > &M) |
| Copy constructor.
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| ~SumOwner (void) |
| Destructor.
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template<class OutVector , class InVector > |
OutVector & | apply (OutVector &y, const InVector &x) const |
| Application of BlackBox matrix.
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template<class OutVector , class InVector > |
OutVector & | applyTranspose (OutVector &y, const InVector &x) const |
| Application of BlackBox matrix transpose.
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size_t | rowdim (void) const |
| Retreive row dimensions of BlackBox matrix.
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size_t | coldim (void) const |
| Retreive column dimensions of BlackBox matrix.
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template<class _Blackbox1, class _Blackbox2>
class LinBox::SumOwner< _Blackbox1, _Blackbox2 >
blackbox of a matrix sum without copying.
Adds only at apply time. Given two black boxes A and B of the same dimensions, form a black box representing A+B, i.e., SumOwner(A,B)x=(A+B)x=Ax+Bx
SumOwner |
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const Blackbox1 & |
A, |
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const Blackbox2 & |
B |
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) |
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inline |
Constructor from black box matrices.
This constructor creates a matrix that is the sum, A + B, of black box matrices.
- Parameters
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SumOwner |
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const Blackbox1 * |
A_data, |
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const Blackbox2 * |
B_data |
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) |
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inline |
Constructor from black box pointers.
This constructor creates a matrix that is the sum, A + B, of black box matrices.
- Parameters
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A_data,B_data,: | pointers to black box matrices. |
Copy constructor.
Creates new black box objects in dynamic memory.
- Parameters
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M | constant reference to compose black box matrix |
OutVector& apply |
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OutVector & |
y, |
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const InVector & |
x |
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| const |
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inline |
Application of BlackBox matrix.
. Requires one vector conforming to the LinBox vector archetype. Required by abstract base class.
- Returns
- reference to vector y containing output.
- Parameters
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x | constant reference to vector to contain input |
y | |
OutVector& applyTranspose |
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OutVector & |
y, |
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const InVector & |
x |
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| const |
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inline |
Application of BlackBox matrix transpose.
. Requires one vector conforming to the LinBox vector archetype. Required by abstract base class.
- Returns
- reference to vector y containing output.
- Parameters
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x | constant reference to vector to contain input |
y | |
size_t rowdim |
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void |
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const |
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inline |
Retreive row dimensions of BlackBox matrix.
This may be needed for applying preconditioners. Required by abstract base class.
- Returns
- integer number of rows of black box matrix.
size_t coldim |
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void |
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const |
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inline |
Retreive column dimensions of BlackBox matrix.
Required by abstract base class.
- Returns
- integer number of columns of black box matrix.
The documentation for this class was generated from the following file: