public class DataNormalizer
{
	private float[][] data;
	private boolean orig_norm;
	private boolean dest_norm;
	private float[] controls;
	
	public int length;
	
	public DataNormalizer(float[][] data,boolean orig_norm,boolean dest_norm,float[] controls)
	{
		this.data = data;
		this.orig_norm = orig_norm;
		this.dest_norm = dest_norm;
		this.controls = controls;
		this.length = data.length;
	}
	public float getData(int x,int y)
	{
		float answer = data[x][y];
		if (orig_norm)
		{
			if (controls[x]!=0)
				answer /= controls[x];
			else
				answer = 0;
		}
		if (dest_norm)
		{
			if (controls[y]!=0)
				answer /= controls[y];
			else
				answer = 0;
		}
		return answer;
	}
	public static DataNormalizer fromArray(float[][] array)
	{
		return new DataNormalizer(array,false,false,null);
	}
	public boolean makesSense()
	{
		if (orig_norm==false && dest_norm==false) 
			return true;
		for (int i=0;i<controls.length;i++)
			if (controls[i]!=1)
				return true;
		return false;
	}
}