org.opencv.core.TermCriteria Maven / Gradle / Ivy
package org.opencv.core;
//javadoc:TermCriteria
public class TermCriteria {
/**
* The maximum number of iterations or elements to compute
*/
public static final int COUNT = 1;
/**
* The maximum number of iterations or elements to compute
*/
public static final int MAX_ITER = COUNT;
/**
* The desired accuracy threshold or change in parameters at which the iterative algorithm is terminated.
*/
public static final int EPS = 2;
public int type;
public int maxCount;
public double epsilon;
/**
* Termination criteria for iterative algorithms.
*
* @param type
* the type of termination criteria: COUNT, EPS or COUNT + EPS.
* @param maxCount
* the maximum number of iterations/elements.
* @param epsilon
* the desired accuracy.
*/
public TermCriteria(int type, int maxCount, double epsilon) {
this.type = type;
this.maxCount = maxCount;
this.epsilon = epsilon;
}
/**
* Termination criteria for iterative algorithms.
*/
public TermCriteria() {
this(0, 0, 0.0);
}
public TermCriteria(double[] vals) {
set(vals);
}
public void set(double[] vals) {
if (vals != null) {
type = vals.length > 0 ? (int) vals[0] : 0;
maxCount = vals.length > 1 ? (int) vals[1] : 0;
epsilon = vals.length > 2 ? (double) vals[2] : 0;
} else {
type = 0;
maxCount = 0;
epsilon = 0;
}
}
public TermCriteria clone() {
return new TermCriteria(type, maxCount, epsilon);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
long temp;
temp = Double.doubleToLongBits(type);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(maxCount);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(epsilon);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (!(obj instanceof TermCriteria)) return false;
TermCriteria it = (TermCriteria) obj;
return type == it.type && maxCount == it.maxCount && epsilon == it.epsilon;
}
@Override
public String toString() {
return "{ type: " + type + ", maxCount: " + maxCount + ", epsilon: " + epsilon + "}";
}
}