Debug.java

package jscl.math;

import java.io.PrintStream;

public class Debug {

    private static PrintStream out;
    private static int indentation;

    private Debug() {
    }

    public static void println(Object x) {
        if (out != null) {
            for (int i = 0; i < indentation; i++) {
                out.print("   ");
            }
            out.println(x);
        }
    }

    public static PrintStream getOutputStream() {
        return out;
    }

    public static void setOutputStream(PrintStream out) {
        Debug.out = out;
    }

    public static void increment() {
        indentation++;
    }

    public static void decrement() {
        indentation--;
    }

    public static void reset() {
        indentation = 0;
    }
}