// pass_funct.java   pass a function and range to an integration method
//                   needs lib_funct interface definition

public class pass_funct implements lib_funct
{
  public double a=1.0;
  public double b=2.0;

  public double f(double xx)
  {
    return xx*xx; // just sample function
  }

  //double f(double x) // optional functions, could have a case statement
  //{
  //  return 1.0/x;
  //}

  //double f(double x)
  //{
  //  return 1.0/((x-0.3)*(x-0.3)+0.01) + 1.0/((x-0.9)*(x-0.9)+0.04) -6.0;
  //}
} // end pass_funct.java