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/*
* Revision Control Information
*
* $Source$
* $Author$
* $Revision$
* $Date$
*
*/
#ifndef SPARSE_H
#define SPARSE_H
/*
* sparse.h -- sparse matrix package header file
*/
typedef struct sm_element_struct sm_element;
typedef struct sm_row_struct sm_row;
typedef struct sm_col_struct sm_col;
typedef struct sm_matrix_struct sm_matrix;
/*
* sparse matrix element
*/
struct sm_element_struct {
int row_num; /* row number of this element */
int col_num; /* column number of this element */
sm_element *next_row; /* next row in this column */
sm_element *prev_row; /* previous row in this column */
sm_element *next_col; /* next column in this row */
sm_element *prev_col; /* previous column in this row */
char *user_word; /* user-defined word */
};
/*
* row header
*/
struct sm_row_struct {
int row_num; /* the row number */
int length; /* number of elements in this row */
int flag; /* user-defined word */
sm_element *first_col; /* first element in this row */
sm_element *last_col; /* last element in this row */
sm_row *next_row; /* next row (in sm_matrix linked list) */
sm_row *prev_row; /* previous row (in sm_matrix linked list) */
char *user_word; /* user-defined word */
};
/*
* column header
*/
struct sm_col_struct {
int col_num; /* the column number */
int length; /* number of elements in this column */
int flag; /* user-defined word */
sm_element *first_row; /* first element in this column */
sm_element *last_row; /* last element in this column */
sm_col *next_col; /* next column (in sm_matrix linked list) */
sm_col *prev_col; /* prev column (in sm_matrix linked list) */
char *user_word; /* user-defined word */
};
/*
* A sparse matrix
*/
struct sm_matrix_struct {
sm_row **rows; /* pointer to row headers (by row #) */
int rows_size; /* alloc'ed size of above array */
sm_col **cols; /* pointer to column headers (by col #) */
int cols_size; /* alloc'ed size of above array */
sm_row *first_row; /* first row (linked list of all rows) */
sm_row *last_row; /* last row (linked list of all rows) */
int nrows; /* number of rows */
sm_col *first_col; /* first column (linked list of columns) */
sm_col *last_col; /* last column (linked list of columns) */
int ncols; /* number of columns */
char *user_word; /* user-defined word */
};
#define sm_get_col(A, colnum) \
(((colnum) >= 0 && (colnum) < (A)->cols_size) ? \
(A)->cols[colnum] : (sm_col *) 0)
#define sm_get_row(A, rownum) \
(((rownum) >= 0 && (rownum) < (A)->rows_size) ? \
(A)->rows[rownum] : (sm_row *) 0)
#define sm_foreach_row(A, prow) \
for(prow = A->first_row; prow != 0; prow = prow->next_row)
#define sm_foreach_col(A, pcol) \
for(pcol = A->first_col; pcol != 0; pcol = pcol->next_col)
#define sm_foreach_row_element(prow, p) \
for(p = prow->first_col; p != 0; p = p->next_col)
#define sm_foreach_col_element(pcol, p) \
for(p = pcol->first_row; p != 0; p = p->next_row)
#define sm_put(x, val) \
(x->user_word = (char *) val)
#define sm_get(type, x) \
((type) (x->user_word))
extern sm_matrix *sm_alloc(), *sm_alloc_size(), *sm_dup();
extern void sm_free(), sm_delrow(), sm_delcol(), sm_resize();
extern void sm_write(), sm_print(), sm_dump(), sm_cleanup();
extern void sm_copy_row(), sm_copy_col();
extern void sm_remove(), sm_remove_element();
extern sm_element *sm_insert(), *sm_find();
extern sm_row *sm_longest_row();
extern sm_col *sm_longest_col();
extern int sm_read(), sm_read_compressed();
extern sm_row *sm_row_alloc(), *sm_row_dup(), *sm_row_and();
extern void sm_row_free(), sm_row_remove(), sm_row_print();
extern sm_element *sm_row_insert(), *sm_row_find();
extern int sm_row_contains(), sm_row_intersects();
extern int sm_row_compare(), sm_row_hash();
extern sm_col *sm_col_alloc(), *sm_col_dup(), *sm_col_and();
extern void sm_col_free(), sm_col_remove(), sm_col_print();
extern sm_element *sm_col_insert(), *sm_col_find();
extern int sm_col_contains(), sm_col_intersects();
extern int sm_col_compare(), sm_col_hash();
extern int sm_row_dominance(), sm_col_dominance(), sm_block_partition();
#endif
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