Log.java

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package jarmos;

import java.util.Arrays;

public class Log {

    public static void d(String ID, String msg) {
        System.out.println(ID + ": " + msg);
    }

    public static void e(String ID, String msg) {
        System.out.println("ERROR in " + ID + ":" + msg);
    }

    public static void w(String ID, String msg) {
        System.out.println("WARNING in " + ID + ":" + msg);
    }

    public static void e(String debugTag, String string, Exception e) {
        e(debugTag, string + ", Exception: " + e.getMessage());
        e.printStackTrace();
    }

    public static String subArr(float[] arr, int N) {
        float[] tmp = new float[N];
        System.arraycopy(arr, 0, tmp, 0, N);
        return Arrays.toString(tmp);
    }

    public static String dumpArr(float[][] arr) {
        String res = "";
        for (int i = 0; i < arr.length; i++) {
            res += i + ": " + Arrays.toString(arr[i]) + ", ";
        }
        return res;
    }

}