/* Plotting graph of a 1-argument function with interval arithmetic. */
/* Last edited on 2003-07-29 22:19:34 by stolfi */

#ifndef iagraph_H
#define iagraph_H

#include <flt.h>
#include <ia.h>
#include <stdio.h>

void iagraph_plot
  ( FILE *psfile,
    Interval f (Interval x),
    Interval xd,
    Interval yd,
    int n
  );
  /* 
    Writes to {psfile} a PostScript plot of the graph of f(x),
    computed on {n} equal sub-intervals in {xd}. Specifically, for
    each sub-interval {xi}, plots the box {(xi,f(xi))}. Y intervals
    are clipped to {yd}.
    
    Assumes that {psfile} has been properly initialized for a plot
    with the given coordinate ranges. */

#endif