#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "gnuplot_i.h"
#define BOUND 9
#define NMAX 300
#define NUM_ROW_COL 500

int mandelmann(double x, double y, double cx, double cy, int n) {
    double zx, zy;
    if(n<NMAX && (x*x+y*y)<BOUND){
        zx=(x*x-y*y+cx);
        zy=(2*x*y+cy);
        if(zx==x && zy==y) return NMAX;
        n=mandelmann(zx,zy,cx,cy,n+1);
    }
    return n;
}

int main()
{
    gnuplot_ctrl *h1=NULL;
    h1 = gnuplot_init() ;
    gnuplot_cmd(h1,"set view map");

    int i,j=0,N=1000,n=2;
    char q;
    double xmin=-2, xmax=1.0, ymin=-1, ymax=1,x,y;

    FILE* outfile=NULL;

    gnuplot_ctrl *h=NULL;
    h=gnuplot_init();
    gnuplot_cmd(h,"set view map");

    do{
        printf("\nBitte waehlen Sie eine Menue-Option:\n");
        printf("\n 1) Bildbereich setzen");
        printf("\n 2) Datei erzeugen");
        printf("\n 3) Bild zeichnen");
        printf("\n 4) ENDE\n vvvbnm");
        q = 0;
        while (q < '1' || q > '4') {
        scanf("%c",&q);
        }

        switch(q){

    case '1':
        printf("\nxmin = ");
        scanf("%lf",&xmin);
        printf("\nxmax = ");
        scanf("%lf",&xmax);
        printf("\nymin = ");
        scanf("%lf",&ymin);
        printf("\nymax = ");
        scanf("%lf",&ymax);
        break;

    case '2':
        outfile=fopen("mb.txt","w");
          for(i=0;i<=NUM_ROW_COL;i++)
                {
                    for(j=0;j<=NUM_ROW_COL;j++)
                    {
                        x = xmin + i*((xmax - xmin)/NUM_ROW_COL);
                        y = ymin + j*((ymax - ymin)/NUM_ROW_COL);
                        n = mandelmann(0,0,x,y,0);
                        fprintf(outfile, "%lf %lf %d\n",x,y,n);
                    }
                    fprintf(outfile, "\n");
                }
        break;

    case '3':
          for(i=0;i<=N;i++)
                {

                }
        gnuplot_resetplot(h);
        gnuplot_cmd(h,"splot \"mb.txt\" w pm3d");
        break;

    case '4':
        break;
     }

    }while(q!='4');

return 0;
}