Mathc initiation/Fichiers h : c47

Sommaire

Installer ce fichier dans votre répertoire de travail.

	kg_3dp.h

/* --------------------------------- */
/* save as kg_3dw.h                  */
/* --------------------------------- */
void G_3dp(
CTRL_splot w,
double (*P_f)(double x, double y),
tvalue x,
tvalue y  
)
{
FILE   *fp = fopen("a_main.plt","w");

fprintf(fp,"reset\n");
fprintf(fp,"set xlabel   \"<x>\"\n");
fprintf(fp,"set ylabel   \"<y>\"\n");
fprintf(fp,"set zlabel   \"<z>\"\n");

fprintf(fp,"set    samples 40\n");
fprintf(fp,"set isosamples 40\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," \"a_ka\" with lines,\\\n");
fprintf(fp," \"a_kb\" with lines");

fprintf(fp,"\n\n");

  fclose(fp);

  fp = fopen("a_ka","w");
   for(x.value = w.xmin; x.value <= w.xmax; x.value += x.step)
   {
    fprintf(fp,"\n\n");
    for(y.value = w.ymin; y.value <= w.ymax; y.value += y.step)
        fprintf(fp," %6.3f    %6.3f     %6.3f\n", 
                     x.value, y.value, ((*P_f)(x.value,y.value)) );
   }
  fclose(fp);


  fp = fopen("a_kb","w");
   for(y.value = w.ymin; y.value <= w.ymax; y.value += y.step)
   {
    fprintf(fp,"\n\n");
    for(x.value = w.xmin; x.value <= w.xmax; x.value += x.step)
        fprintf(fp," %6.3f    %6.3f    %6.3f\n", 
                     x.value, y.value, ((*P_f)(x.value,y.value)) );
   }
  fclose(fp);

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

Déclaration des fichiers h.

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