double lambda_max;
@API(help = "regularization strength", filter = Default.class, json=true)
public double [] lambda = new double[]{1e-5};
@API(help = "beta_eps", filter = Default.class, json=true)
double beta_epsilon = DEFAULT_BETA_EPS;
<BUG>private double ADMM_GRAD_EPS = 1e-2;
@API(help="use line search (slower speed, possibly greater accuracy)",filter=Default.class)</BUG>
boolean higher_accuracy;
int _lambdaIdx = 0;
private transient double _addedL2;

double lambda_max;
@API(help = "regularization strength", filter = Default.class, json=true)
public double [] lambda = new double[]{1e-5};
@API(help = "beta_eps", filter = Default.class, json=true)
double beta_epsilon = DEFAULT_BETA_EPS;
private double ADMM_GRAD_EPS = 1e-2;
private static final double MIN_ADMM_GRAD_EPS = 1e-8;
@API(help="use line search (slower speed, possibly greater accuracy)",filter=Default.class)
boolean higher_accuracy;
int _lambdaIdx = 0;
private transient double _addedL2;
