#include "def.h"
#include "mlib.h"

#define N 100

void main (int Number){
	int i;
	double pi=3.1415926535;
	double x[N],y[N];

	for(i=0;i<N;i++){
		x[i]=10.0/N*i-5.0;
		y[i]=sin(pi*x[i])/(pi*x[i]);
	}
	y[N/2]=1;
	
	Set_figure(1,1,1);
	Used_Font_Size=45;

	Axis_xcap(-5,5,"x");
	Axis_ycap(-1.2,1.2,"y");
	Plot_pen(0,1,0);
	Plot1d(y,N);

	for(i=0;i<N;i++){
		y[i]=1.0/(pi*x[i]);
	}
	Plot_pen(1,1,1);
	Plot1d(y,N);
	Grid_on(3);
	Legend("y=sin(ƒÎx)/ƒÎx|y=1/ƒÎx",4);

}