Mathc initiation/000e
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kg_fgab.h |
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/* --------------------------------- */
/* save as kg_fgab.h */
/* --------------------------------- */
void G_fgab_2d(
CTRL_splot w,
tvalue ft,
double (*P_f)(double x),
char feq[],
tvalue gt,
double (*P_g)(double x),
char geq[]
)
{
FILE *fp = fopen("a_main.plt","w");
double i;
fprintf(fp," reset\n"
" set zeroaxis lt 8\n"
" set grid\n\n"
" set size ratio -1\n"
" plot [%0.3f:%0.3f] [%0.3f:%0.3f]\\\n"
" x with line lt 0 lw 1,\\\n"
" -x with line lt 0 lw 1,\\\n"
" \"%s\" with line lt 7 lw 1,\\\n"
" \"%s\" with line lt 8 lw 1\n\n",
w.xmin,w.xmax,w.ymin,w.ymax,
feq,geq);
fclose(fp);
i = ft.min;
fp = fopen(feq, "w");
do{
fprintf(fp," %0.6f %0.6f\n", i,(*P_f)(i));
i += ft.step;
}while(i <= ft.max);
fclose(fp);
i = gt.min;
fp = fopen(geq, "w");
do{
fprintf(fp," %0.6f %0.6f\n", i,(*P_g)(i));
i += gt.step;
}while(i <= gt.max);
fclose(fp);
}
/* --------------------------------- */
/* --------------------------------- */