package java.lang;

public final class Math {
  private Math() { }

  public static int abs(int v) {
    return (v < 0 ? -v : v);
  }

  public static long abs(long v) {
    return (v < 0 ? -v : v);
  }

  public static float abs(float v) {
    return (v < 0 ? -v : v);
  }

  public static double abs(double v) {
    return (v < 0 ? -v : v);
  }

  public static long round(double v) {
    return (long) (v + 0.5);
  }

  public static int round(float v) {
    return (int) (v + 0.5);
  }

  public static double floor(double v) {
    // todo
    return 0;
  }

  public static double ceil(double v) {
    // todo
    return 0;
  }

  public static double exp(double v) {
    // todo
    return 0;
  }

  public static double log(double v) {
    // todo
    return 0;
  }

  public static double cos(double v) {
    // todo
    return 0;
  }

  public static double sin(double v) {
    // todo
    return 0;
  }

  public static double tan(double v) {
    // todo
    return 0;
  }

  public static double acos(double v) {
    // todo
    return 0;
  }

  public static double asin(double v) {
    // todo
    return 0;
  }

  public static double atan(double v) {
    // todo
    return 0;
  }

  public static double sqrt(double v) {
    // todo
    return 0;
  }

  public static double pow(double v, double e) {
    // todo
    return 0;
  }
}