sdm_t *sdm_dup(const sdm_t *src)
{
ASSERT_RETURN_IF(!src, NULL);
size_t nsubmaps = sdm_size(src);
ASSERT_RETURN_IF(!nsubmaps, NULL);
const sm_t **maps = sdm_submaps_r(src);
ASSERT_RETURN_IF(!maps, NULL);
ASSERT_RETURN_IF(!maps[0], NULL);
enum eSM_Type t = (enum eSM_Type)maps[0]->f.type;
ASSERT_RETURN_IF(t >= SM_TotalTypes, NULL);
size_t alloc_size = sizeof(sdm_t) + sizeof(sm_t *) * (nsubmaps - 1);
sdm_t *dm = (sdm_t *)__sd_malloc(alloc_size);
ASSERT_RETURN_IF(!dm, NULL);
size_t i = 0;
for (; i < nsubmaps; i++ ) {
if (!(dm->maps[i] = sm_dup(maps[i])))
break; /* Allocation error */
}
if (i != nsubmaps) { /* Handle allocation error */
for (; i < nsubmaps; i++ ) {
if (dm->maps[i])
sm_free(&dm->maps[i]);
else
break;
}
free(dm);
dm = NULL;
}
return dm;
}
char *sm_splithead(char *str, char spliter)
{
size_t i;
i = 0;
while (str[i])
{
if (str[i] == spliter)
return (sm_dupn(str, i));
i++;
}
return (sm_dup(str));
}
t_list *sm_split(char *str, char spliter)
{
int i;
int j;
t_list *list;
char *n_str;
i = -1;
j = 0;
if (!str)
return (NULL);
if (!(list = new_list()))
return (NULL);
while (str[++i])
if (str[i] == spliter)
{
n_str = sm_dupn(&str[j], i - j);
list->push(list, _wrap(n_str, sm_len(n_str)));
j = i + 1;
}
if (j != i)
list->push(list, _wrap(sm_dup(&str[j]), sm_len(&str[j])));
return (list);
}
/* Check the matrix sparsity */
nelem = 0;
sm_foreach_row(A, prow) {
nelem += prow->length;
}
sparsity = (double) nelem / (double) (A->nrows * A->ncols);
/* Determine an upper bound on the solution */
bound = 1;
sm_foreach_col(A, pcol) {
bound += WEIGHT(weight, pcol->col_num);
}
/* Perform the covering */
select = solution_alloc();
dup_A = sm_dup(A);
best = sm_mincov(dup_A, select, weight, 0, bound, 0, &stats);
sm_free(dup_A);
solution_free(select);
if (stats.debug) {
if (stats.no_branching) {
(void) printf("**** heuristic covering ...\n");
(void) printf("lower bound = %d\n", stats.lower_bound);
}
(void) printf("matrix = %d by %d with %d elements (%4.3f%%)\n",
A->nrows, A->ncols, nelem, sparsity * 100.0);
(void) printf("cover size = %d elements\n", best->row->length);
(void) printf("cover cost = %d\n", best->cost);
(void) printf("time = %s\n",
util_print_time(util_cpu_time() - stats.start_time));