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There is a newer version: 2.0.5

package org.opencv.core;

import java.util.Arrays;
import java.util.List;

public class MatOfFloat4 extends Mat {
    // 32FC4
    private static final int _depth = CvType.CV_32F;
    private static final int _channels = 4;

    public MatOfFloat4() {
        super();
    }

    protected MatOfFloat4(long addr) {
        super(addr);
        if( !empty() && checkVector(_channels, _depth) < 0 )
            throw new IllegalArgumentException("Incompatible Mat");
        //FIXME: do we need release() here?
    }

    public static MatOfFloat4 fromNativeAddr(long addr) {
        return new MatOfFloat4(addr);
    }

    public MatOfFloat4(Mat m) {
        super(m, Range.all());
        if( !empty() && checkVector(_channels, _depth) < 0 )
            throw new IllegalArgumentException("Incompatible Mat");
        //FIXME: do we need release() here?
    }

    public MatOfFloat4(float...a) {
        super();
        fromArray(a);
    }

    public void alloc(int elemNumber) {
        if(elemNumber>0)
            super.create(elemNumber, 1, CvType.makeType(_depth, _channels));
    }

    public void fromArray(float...a) {
        if(a==null || a.length==0)
            return;
        int num = a.length / _channels;
        alloc(num);
        put(0, 0, a); //TODO: check ret val!
    }

    public float[] toArray() {
        int num = checkVector(_channels, _depth);
        if(num < 0)
            throw new RuntimeException("Native Mat has unexpected type or size: " + toString());
        float[] a = new float[num * _channels];
        if(num == 0)
            return a;
        get(0, 0, a); //TODO: check ret val!
        return a;
    }

    public void fromList(List lb) {
        if(lb==null || lb.size()==0)
            return;
        Float ab[] = lb.toArray(new Float[0]);
        float a[] = new float[ab.length];
        for(int i=0; i toList() {
        float[] a = toArray();
        Float ab[] = new Float[a.length];
        for(int i=0; i