#include "prototype.h"


/****** Function f_delay */    

void f_delay(double *tps, double x1, double y1, double x2, double y2, double n)

  {
    double L1;

    L1=sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
    *tps=(n*L1)/C;
  }