public final class Math {

       public static final double E = 2.7182818284590452354;
       public static final double PI = 3.14159265358979323846;
       public static double sin(double a);
       public static double cos(double a);
       public static double tan(double a);
       public static double asin(double a);
       public static double acos(double a);
       public static double atan(double a);
       public static double atan2(double a, double b);
       public static double exp(double a);
       public static double log(double a);
       public static double sqrt(double a);
       public static double pow(double a, double b);
       public static double IEEEremainder(double f1, double f2);
       public static double ceil(double a);
       public static double floor(double a);
       public static double rint(double a);
       public static int round(float a);
       public static long round(double a);
       public static double random();
       public static int abs(int a);
       public static long abs(long a);
       public static float abs(float a);
       public static double abs(double a);
       public static int min(int a, int b);
       public static long min(long a, long b);
       public static float min(float a, float b);
       public static double min(double a, double b);
       public static int max(int a, int b);
       public static long max(long a, long b);
       public static float max(float a, float b);
       public static double max(double a, double b);
}