GSparseMatrix.i
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/***************************************************************************
* GSparseMatrix.i - Sparse Matrix class SWIG file *
* ----------------------------------------------------------------------- *
* copyright (C) 2008-2011 by Jurgen Knodlseder *
* ----------------------------------------------------------------------- *
* *
* 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 3 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, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
%{
/* Put headers and other declarations here that are needed for compilation */
#include "GSparseMatrix.hpp"
#include "GTools.hpp"
%}
%feature("notabstract") GSparseMatrix;
/***************************************************************************
* GSparseMatrix class definition *
* ----------------------------------------------------------------------- *
* GMatrix implements a sparse matrix storage class. It derives from the *
* abstract base class GMatrixBase. *
***************************************************************************/
class GSparseMatrix : public GMatrixBase {
public:
// Constructors and destructors
GSparseMatrix(int rows, int cols, int elements = 0);
GSparseMatrix(const GSparseMatrix& m);
virtual ~GSparseMatrix();
// Operators
//GSparseMatrix& operator= (const GSparseMatrix& m);
//double& operator() (int row, int col);
//const double& operator() (int row, int col) const;
GSparseMatrix operator+ (const GSparseMatrix& m) const;
GSparseMatrix operator- (const GSparseMatrix& m) const;
GSparseMatrix operator* (const GSparseMatrix& m) const;
GVector operator* (const GVector& v) const;
int operator== (const GSparseMatrix& m) const;
int operator!= (const GSparseMatrix& m) const;
GSparseMatrix operator- () const;
GSparseMatrix& operator+= (const GSparseMatrix& m);
GSparseMatrix& operator-= (const GSparseMatrix& m);
GSparseMatrix& operator*= (const GSparseMatrix& m);
GSparseMatrix& operator*= (const double& d);
GSparseMatrix& operator/= (const double& d);
// Matrix methods
void add_col(const GVector& v, int col);
void add_col(const double* values, const int* rows, int number, int col);
void cholesky_decompose(int compress = 1);
GVector cholesky_solver(const GVector& v, int compress = 1);
void cholesky_invert(int compress = 1);
void clear();
GVector extract_row(int row) const;
GVector extract_col(int col) const;
//TBD GSparseMatrix extract_lower_triangle() const;
//TBD GSparseMatrix extract_upper_triangle() const;
double fill() const;
void insert_col(const GVector& v, int col);
void insert_col(const double* values, const int* rows, int number, int col);
double min() const;
double max() const;
void set_mem_block(int block);
void stack_init(int size = 0, int entries = 0);
int stack_push_column(const GVector& v, int col);
int stack_push_column(const double* values, const int* rows,
int number, int col);
void stack_flush(void);
void stack_destroy(void);
double sum() const;
void transpose();
};
/***************************************************************************
* GSparseMatrix class SWIG extension *
***************************************************************************/
%extend GSparseMatrix {
char *__str__() {
std::ostringstream buffer;
buffer << *self;
std::string str = buffer.str();
return tochar(str);
}
double __getslice__(int row, int col) {
if (row >=0 && row < (int)self->rows() && col >= 0 && col < (int)self->cols())
return (*self)(row,col);
else
throw GException::out_of_range("__getitem__(int,int)", row, col,
(int)self->rows(), (int)self->cols());
}
void __setslice__(int row, int col, const double val) {
if (row >=0 && row < (int)self->rows() && col >= 0 && col < (int)self->cols())
(*self)(row,col) = val;
else
throw GException::out_of_range("__setitem__(int,int)", row, col,
(int)self->rows(), (int)self->cols());
}
GSparseMatrix __mul__(const double &a) {
return (*self) * a;
}
GSparseMatrix __div__(const double &a) {
return (*self) / a;
}
GSparseMatrix copy() {
return (*self);
}
};