/****************************************************************************/
/* (C) Copyright 1993 Universidade Estadual de Campinas (UNICAMP)           */
/*                    Campinas, SP, Brazil                                  */
/*                                                                          */
/* This file can be freely distributed, modified, and used for any          */
/*   non-commercial purpose, provided that this copyright and authorship    */
/*   notice be included in any copy or derived version of this file.        */
/*                                                                          */
/* DISCLAIMER: This software is offered ``as is'', without any guarantee    */
/*   as to fitness for any particular purpose.  Neither the copyright       */
/*   holder nor the authors or their employers can be held responsible for  */
/*   any damages that may result from its use.                              */
/****************************************************************************/

/* 
  AA test: plotting zeros of a 2-argument function by sampling
  on a uniform grid.
*/

#ifndef AAGRID_H
#define AAGRID_H

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

void aagrid_plots(
    char *fileprefix,
    int epsformat,
    char *title,
    Float f (Float x, Float y),
    Interval fv (Interval x, Interval y),
    AAP ff (AAP x, AAP y),
    Interval xd,
    Interval yd,
    int n,
    int m
  );
  /* 
    Generates PostScript file(s) with plots of the curve f(x,y)=0,
    within the rectangle $xd$ by $yd$.
    
    If $epsformat$ is 1 (true), writes two separate Encapsulated Postscript
    files (<fileprefix>-ia.ps, <fileprefix>-aa.ps), without "showpage"
    commands or captions.
    
    If $epsformat$ is 0 (false), writes a single plain Postscript file
    (<fileprefix>.ps), with one graph per page, with captions.
    
    $fv$ and $ff$ should be Interval and AA versions of $f$.
    $n$ is the grid size used for testing $fv$ and $ff$.
    $m$ is the grid size used for plotting the "true" zeros of $f$. */

#endif