public class LittleMath {
	/**
	 * Returns absolute value of type long.
	 * @param l Long input
	 * @return Absolute value of l.
	 */
	public long abs(long l){
		if(l < 0) return l;			//Semantically wrong
		return l;
	}
	
	/**
	 * Returns absolute value of type double.
	 * @param d Double input
	 * @return Absolute Value of d.
	 */
	public double abs(double d){
		if(d < 0) return -d;
		return d;
	}
	
	/**
	 * Returns absolute value of type float.
	 * @param f Float input
	 * @return Absolute Value of f.
	 */
	public float abs(float f){
		return (float)abs((double)f);
	}
	
	/**
	 * Returns absolute value of type int.
	 * @param i Int input
	 * @return Absolute Value of i.
	 */
	public int abs(int i){
		return (int)abs((long)i);
	}
	
	/**
	 * Returns the maximum of two given long values.
	 * @param l1 Long input.
	 * @param l2 Long input.
	 * @return Maximum of l1 and l2.
	 */
	public long max(long l1, long l2){
		if (l1 < l2) return l2;
		return l1;
	}

	/**
	 * Returns the maximum of two given int values.
	 * @param i1 Int input.
	 * @param i2 Int input.
	 * @return Maximum of i1 and i2.
	 */
	public int max(int i1, int i2){
		return (int)max((long)i1, (long)i2);
	}

	/**
	 * Returns the maximum of two given double values.
	 * @param d1 Double input.
	 * @param d2 Double input.
	 * @return Maximum of d1 and d2.
	 */
	public double max(double d1, double d2){
		if (d1 < d2) return d2;
		return d1;
	}

	/**
	 * Returns the maximum of two given float values.
	 * @param f1 Float input.
	 * @param f2 Float input.
	 * @return Maximum of f1 and f2.
	 */
	public double max(float f1, float f2){
		return (float)max((double)f1, (double)f2);
	}
	
	/**
	 * Returns the minimum of two given long values.
	 * @param l1 Long input.
	 * @param l2 Long input.
	 * @return Minimum of l1 and l2.
	 */
	public long min(long l1, long l2){
		if (l1 < l2) return l1;
		return l2;
	}

	/**
	 * Returns the minimum of two given int values.
	 * @param i1 Int input.
	 * @param i2 Int input.
	 * @return Minimum of i1 and i2.
	 */
	public int min(int i1, int i2){
		return (int)min((long)i1, (long)i2);
	}

	/**
	 * Returns the minimum of two given double values.
	 * @param d1 Double input.
	 * @param d2 Double input.
	 * @return Minimum of d1 and d2.
	 */
	public double min(double d1, double d2){
		if (d1 < d2) return d1;
		return d2;
	}

	/**
	 * Returns the minimum of two given float values.
	 * @param f1 Float input.
	 * @param f2 Float input.
	 * @return Minimum of f1 and f2.
	 */
	public float min(float f1, float f2){
		return (float)min((double)f1, (double)f2);
	}
}