/*
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Modulul declaratiilor biblioteca
------------------------------------
*/
#include<stdio.h>
#include<conio.h>
#include<graphics.h>
int x_orig = 150;
int y_orig = 200;
int scalareX = 100;
int scalareY = 100;
int ax=1,ay=1;
/*
------------------------------------
Modulul functii apel
------------------------------------
*/
float f(float x)
{
float a=1.8,b=-1.3,c=-3.9,d=1.6,e=1.0,g=0,y;
y=a*x*x*x*x*x+b*x*x*x*x+c*x*x*x+d*x*x+e*x+g;
return y;
}
int tx(float x){
	return ax*(x_orig + x*scalareX);
}
int ty(float y){
	return ay*(400-y_orig - y*scalareY);
}
/*
------------------------------------
Modulul functie principala
------------------------------------
*/
void main(void)
{
int gd=DETECT,gm,col=7,r=400;
int maxX=640,minX=0,maxY=480,minY=0;
float i,x,y,xx,yy,D=100,d=ay*D;
clrscr();
initgraph(&gd,&gm,"c:\\borlandc\\bgi");
clrscr(); //Implicit LIGHTGRAY
setcolor(RED);

line(ax*minX,ay*(r-200),ax*maxX,ay*(r-200)); //Axa absciselor
line(ax*150,ay*minY,ax*150,ay*maxY); //Axa ordonatelor

circle(ax*150,ay*(r-200),2); //Punctul (0,0)
circle(ax*50,ay*(r-200),2); //Punctul (-1,0)
circle(ax*250,ay*(r-200),2); //Punctul (1,0)
circle(ax*150,ay*(r-300),2); //Punctul (0,1)
circle(ax*150,ay*(r-100),3); //Punctul (0,-1)
setcolor(BLUE);

/*i=-150;
x=i/100;
xx=150+100*x;
y=f(x);
yy=200-100*y;
moveto(ax*xx,yy);*/

for(x=-2;x<=2;x=x+0.01)
{
putpixel(tx(x),ty(f(x)),BLUE);
}
getch();
closegraph();
printf("Am rev la mod text");
}