/**
 * Elastic net regularization for logistic regression using FISTA optimizer
 */

/**
 * @brief Logistic regression (incremental gradient): Transition function
 */
DECLARE_UDF(elastic_net, binomial_fista_transition)

/**
 * @brief Logistic regression (incremental gradient): State merge function
 */
DECLARE_UDF(elastic_net, binomial_fista_merge)

/**
 * @brief Logistic regression (incremental gradient): Final function
 */
DECLARE_UDF(elastic_net, binomial_fista_final)

/**
 * @brief Logistic regression (incremental gradient):  measure the difference
 * between two consecutive states
 */
DECLARE_UDF(elastic_net, __binomial_fista_state_diff)

/**
 * @brief Logistic regression (incremental gradient): Convert
 *     transition state to result tuple
 */
DECLARE_UDF(elastic_net, __binomial_fista_result)