datafacer Math {

 service real abs(real v);

 service real sin(real a);
 service real cos(real a);
 service real tan(real a);
 service real acos(real v);
 service real asin(real v);
 service real atan(real v);
 service real randomr(real min, real max);
 service int randomi(int min, int max);

 service real sqrt(real v);
 service real pow(real a, real b);

 // Returns sqrt(x^2 +y^2)
 service real hypot(real x,real y);

 service real exp(real v);
 service real log(real v);
 service real log10(real v);

 // Returns the angle theta from the conversion of rectangular coordinates (x, y) to polar coordinates (r, theta)
 service real atan2(real y, real x);

 service real toDegrees(real angrad);
 service real toRadians(real angdeg);

 service real min(real a, real b);
 service real max(real a, real b);

}