int crfsuite_instance_append(crfsuite_instance_t* inst, const crfsuite_item_t* item, int label)
{
if (inst->cap_items <= inst->num_items) {
inst->cap_items = (inst->cap_items + 1) * 2;
inst->items = (crfsuite_item_t*)realloc(inst->items, sizeof(crfsuite_item_t) * inst->cap_items);
inst->labels = (int*)realloc(inst->labels, sizeof(int) * inst->cap_items);
}
crfsuite_item_copy(&inst->items[inst->num_items], item);
inst->labels[inst->num_items] = label;
++inst->num_items;
return 0;
}
void crfsuite_instance_copy(crfsuite_instance_t* dst, const crfsuite_instance_t* src)
{
int i;
dst->num_items = src->num_items;
dst->cap_items = src->cap_items;
dst->items = (crfsuite_item_t*)calloc(dst->num_items, sizeof(crfsuite_item_t));
dst->labels = (int*)calloc(dst->num_items, sizeof(int));
dst->weight = src->weight;
dst->group = src->group;
for (i = 0;i < dst->num_items;++i) {
crfsuite_item_copy(&dst->items[i], &src->items[i]);
dst->labels[i] = src->labels[i];
}
}
int crfsuite_instance_append(crfsuite_instance_t* inst,
const crfsuite_item_t* item,
const crfsuite_fuzzy_labels_t* labels,
int lid)
{
if (inst->cap_items <= inst->num_items) {
inst->cap_items = (inst->cap_items + 1) * 2;
inst->items = (crfsuite_item_t*)realloc(inst->items,
sizeof(crfsuite_item_t) * inst->cap_items);
inst->labels = (int*)realloc(inst->labels, sizeof(int) * inst->cap_items);
inst->fuzzy = (crfsuite_fuzzy_labels_t*)realloc(inst->fuzzy,
sizeof(crfsuite_fuzzy_labels_t) * inst->cap_items);
}
crfsuite_item_copy(&inst->items[inst->num_items], item);
if (labels) {
crfsuite_fuzzy_labels_copy(&inst->fuzzy[inst->num_items], labels);
} else {
crfsuite_fuzzy_labels_init(&inst->fuzzy[inst->num_items]);
}
inst->labels[inst->num_items] = lid;
++inst->num_items;
return 0;
}
