Exemplo n.º 1
0
inline
void ColumnView(sparse_matrix_t<T>& A, sparse_matrix_t<T>& B, int j, int width) {
    const int *bindptr = B.indptr();
    const int *bindices = B.indices();
    double *bvalues = B.values();

    int start = bindptr[j];
    int *indptr = new int[width + 1];
    for (int i = 0; i <= width; i++)
        indptr[i] = bindptr[j + i] - start;
    const int *indices = bindices + start;
    double *values = bvalues + start;

    A.attach(indptr, indices, values, indptr[width], A.height(), width,
        true, false, false);
}
Exemplo n.º 2
0
int Height(const sparse_matrix_t<T>& A) {
    return A.height();
}