operators.h File Reference

matrix and vector operators (prototypes) More...

#include <linearxx/matrix.h>

Include dependency graph for operators.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Namespaces
	linear
	Modules of liblinearxx.a.
	linear::op
	Operators for simple matrix and vector operations.

Macros
#define	LINEAR_OPERATORS_H_VERSION   "LINEAR_OPERATORS_H V1.0"

Functions
void	linear::op::checkNxM (const TDmatrix::Tcoc &A)
	check expected libaff array shape for NxM matrix. More...
TDmatrix	linear::op::dotNxM (const TDmatrix::Tcoc &, const TDmatrix::Tcoc &)
	dot product for NxM matrices. More...
TDmatrix	linear::op::transposeNxM (const TDmatrix::Tcoc &)
	calculate transpose of NxM matrix. More...

Detailed Description

matrix and vector operators (prototypes)

---

Author

Thomas Forbriger

Date

19/12/2007

matrix and vector operators (prototypes)

Copyright (c) 2007 by Thomas Forbriger (BFO Schiltach)

---

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software

Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

We do not overload operators for two reasons:

1. The dot product operator must sum over the correct dimensions. Since NxM matrices are represented by NxMxKxL libaff arrays the operator would have the wrong meaning to them.
2. operator+ and operator- are already defined for libaff arrays. They can be used for our purposes. However, they provide now shape-checking. Overloading these operators would introduce non-uniqueness to function name resolution.

REVISIONS and CHANGES

• 19/12/2007 V1.0 Thomas Forbriger

  ---

Definition in file operators.h.