//Function for check if another point is in radius around point p

bool circle_check( double xpoint, double ypoint, double x_center, double    y_center, double diameter, int holenumber) {
                if ( ( ( (xpoint-x_center)*(xpoint-x_center) ) + ( (ypoint-y_center)*(ypoint-y_center) ) ) <= (diameter*diameter/4) ) {
                    printf ("Found needle inside hole no. %d with x,y: %.0lf,%.0lfn", holenbumber+1, xpoint, ypoint);
                    fprintf(logfile, "Found needle inside hole no. %d with x,y: %.0lf,%.0lfn", holenbumber+1, xpoint, ypoint);
                   return true;}
                else {
                    return false;}

for (i=0;i<number_points;i++){

    for (k=0;k<=number_circles;k++){

    if (circle_check( new_coord[i].xcoord, new_coord[i].ycoord, holes[k].xhcoord, holes[k].yhcoord, holes[k].diamh, k) == false){
        fprintf( result, "%.0lft%.0lfn", new_coord[i].xcoord, new_coord[i].ycoord);
                      }
                  }
             }
         }