package liblinear;

public class FeatureNode {

public final int index;

public double value;

public FeatureNode( final int index, final double value ) {

if (index < 0) throw new IllegalArgumentException("index must be >= 0");

this.index = index;

this.value = value;

}

@Override

public int hashCode() {

final int prime = 31;

int result = 1;

result = prime * result + index;

long temp;

temp = Double.doubleToLongBits(value);

result = prime * result + (int)(temp ^ (temp >>> 32));

return result;

}

@Override

public boolean equals(Object obj) {

if (this == obj) return true;

if (obj == null) return false;

if (getClass() != obj.getClass()) return false;

FeatureNode other = (FeatureNode)obj;

if (index != other.index) return false;

if (Double.doubleToLongBits(value) != Double.doubleToLongBits(other.value)) return false;

return true;

}

@Override

public String toString() {

return "FeatureNode(idx=" + index + ", value=" + value + ")";

}

}