Mathc initiation/a62

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Installer ce fichier dans votre répertoire de travail.

kg_3dp.h
/* --------------------------------- */
/* save as kg_3dp.h                  */
/* --------------------------------- */
void G_3d_p(
CTRL_splot w,
char       feq[],
double   (*P_f)(double x, double y),
pt2d       p
)
{
FILE   *fp = fopen("a_main.plt","w");    
        
fprintf(fp,"reset\n");
fprintf(fp,"set    samples 40\n");
fprintf(fp,"set isosamples 40\n");
//fprintf(fp,"set hidden3d\n");
fprintf(fp,"set view %0.3f, %0.3f, %0.3f, %0.3f \n",
                    w.rot_x,w.rot_z,w.scale,w.scale_z);
fprintf(fp,"set xrange [%0.3f:%0.3f]\n",w.xmin,w.xmax);
fprintf(fp,"set yrange [%0.3f:%0.3f]\n",w.ymin,w.ymax);
fprintf(fp,"set zrange [%0.3f:%0.3f]\n",w.zmin,w.zmax);
fprintf(fp,"splot ");
fprintf(fp," \"apoint\" pt 20,\\\n");
fprintf(fp,"%s \n\n",feq);
 fclose(fp);

 fp = fopen("apoint","w");
         fprintf(fp," %6.3f   %6.3f   %6.3f\n", 
              p.x, p.y, ((*P_f)(p.x,p.y)) );
 fclose(fp);

 printf(" ... load \"a_main.plt\" ... with gnuplot.\n\n");
}
/* --------------------------------- */
/* --------------------------------- */


Déclaration des fichiers h.