SparseMatrix.h

/*
 * SparseMatrix.h
 *
 *  Created on: Dec 2, 2010
 *      Author: bert
 *
 *      Incomplete implementation of a sparse matrix
 *      currently all it holds is the indices and the values
 *      future versions will have fast lookup methods, addition, multiplication,
 *      or will be wrappers to other more complete sparse matrix libraries
 *
 */

#ifndef SPARSEMATRIX_H_
#define SPARSEMATRIX_H_

template <class T>
class SparseMatrix {
public:
        SparseMatrix();
        SparseMatrix(int rows, int cols);

        SparseMatrix(int *nzRows, int *nzCols, T *nz, int rows, int cols, int nnz);
        virtual ~SparseMatrix();

        int* getRows();

        int* getCols();

        int getRowCount();

        int getColCount();

        int getNNz();

        T * getVals();

private:
        int * nzrows;
        int * nzcols;
        int rows;
        int cols;
        int nnz;
        T * nonzeros;
};


template<class T> SparseMatrix<T>::SparseMatrix() {
}



template<class T> SparseMatrix<T>::SparseMatrix(int r, int c) {
        rows = r;
        cols = c;
}

template<class T> SparseMatrix<T>::SparseMatrix(int *nzRows, int *nzCols, T *nz, int r, int c, int n) {
        nzrows = nzRows;
        nzcols = nzCols;
        nonzeros = nz;
        rows = r;
        cols = c;
        nnz = n;
}



template<class T> SparseMatrix<T>::~SparseMatrix() {
        delete[](nzrows);
        delete[](nzcols);
        delete[](nonzeros);
}

template<class T> int SparseMatrix<T>::getRowCount() {
        return rows;
}

template<class T> int SparseMatrix<T>::getColCount() {
        return cols;
}

template<class T> int SparseMatrix<T>::getNNz() {
        return nnz;
}


template<class T> int *SparseMatrix<T>::getRows() {
        return nzrows;
}



template<class T> int *SparseMatrix<T>::getCols() {
        return nzcols;
}


template<class T> T *SparseMatrix<T>::getVals() {
        return nonzeros;
}

#endif /* SPARSEMATRIX_H_ */