static void crf1dt_delete(crf1dt_t* crf1dt)
{
/* Note: we don't own the model object (crf1t->model). */
if (crf1dt->ctx != NULL) {
crf1dc_delete(crf1dt->ctx);
crf1dt->ctx = NULL;
}
free(crf1dt);
}
crf1d_context_t* crf1dc_new(int flag, int L, int T)
{
int ret = 0;
crf1d_context_t* ctx = NULL;
ctx = (crf1d_context_t*)calloc(1, sizeof(crf1d_context_t));
if (ctx != NULL) {
ctx->flag = flag;
ctx->num_labels = L;
ctx->trans = (floatval_t*)calloc(L * L, sizeof(floatval_t));
if (ctx->trans == NULL) goto error_exit;
if (ctx->flag & CTXF_MARGINALS) {
ctx->exp_trans = (floatval_t*)_aligned_malloc((L * L + 4) * sizeof(floatval_t), 16);
if (ctx->exp_trans == NULL) {
goto error_exit;
}
ctx->mexp_trans = (floatval_t*)calloc(L * L, sizeof(floatval_t));
if (ctx->mexp_trans == NULL) {
goto error_exit;
}
ctx->partial_mexp_trans = (floatval_t*)calloc(L * L, sizeof(floatval_t));
if (ctx->partial_mexp_trans == NULL) {
goto error_exit;
}
}
if (ret = crf1dc_set_num_items(ctx, T)) {
goto error_exit;
}
/* T gives the 'hint' for maximum length of items. */
ctx->num_items = 0;
}
return ctx;
error_exit:
crf1dc_delete(ctx);
return NULL;
}