Mathc initiation/a162

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	kg_f.h

/* --------------------------------- */
/* save as  kg_f.h                   */
/* --------------------------------- */
void G_C_2d_f(
CTRL_splot w,
double (*P_f)(double t),
double (*P_g)(double t),
tvalue t
)
{
FILE   *fp;

        fp = fopen("a_main.plt","w");
fprintf(fp," reset\n"
           " set size ratio -1\n"
           " set zeroaxis lt 8\n"
           " set grid\n\n"
           " plot [%0.3f:%0.3f] [%0.3f:%0.3f]\\\n"
           " \"a_curv\"   with line lt  6 lw 3,\\\n",
           w.xmin,w.xmax,w.ymin,w.ymax);
 fclose(fp);
 
 fp = fopen("a_curv","w");
   for(t.value=t.min; t.value<=t.max; t.value+=t.step)
      fprintf(fp," %6.5f   %6.5f\n",
             (*P_f)(t.value),(*P_g)(t.value));
 fclose(fp);
}
/* --------------------------------- */
/* --------------------------------- */