@Override
public int hashCode() {
final int prime = 31;
int result = 1;
long temp;
temp = Double.doubleToLongBits(bias);
result = prime * result + (int) (temp ^ (temp >>> 32));
result = prime * result + Arrays.hashCode(label);
result = prime * result + nr_class;
result = prime * result + nr_feature;
result = prime * result + ((solverType == null) ? 0 : solverType.hashCode());
result = prime * result + Arrays.hashCode(w);
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
Model other = (Model) obj;
if (Double.doubleToLongBits(bias) != Double.doubleToLongBits(other.bias)) return false;
if (!Arrays.equals(label, other.label)) return false;
if (nr_class != other.nr_class) return false;
if (nr_feature != other.nr_feature) return false;
if (solverType == null) {
if (other.solverType != null) return false;
} else if (!solverType.equals(other.solverType)) return false;
if (!equals(w, other.w)) return false;
return true;
}
/** @return true for logistic regression solvers */
public boolean isProbabilityModel() {
return solverType.isLogisticRegressionSolver();
}