#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
#include <math.h>
int main(void)
{
/* request auto detection */
int gdriver = DETECT, gmode, errorcode;
int x;
float pi=3.1416;
float grados,y;
grados=(2*pi)/360;
/* initialize graphics and local variables */
initgraph(&gdriver, &gmode, "");
/* read result of initialization */
errorcode = graphresult();
if (errorcode != grOk) /* an error occurred */
{
printf("Graphics error: %s
", grapherrormsg(errorcode));
printf("Press any key to halt:");
getch();
exit(1); /* terminate with an error code */
}
for(x=0;x<360;x++){
y=sin(x*grados);
y=y*100;
putpixel(x+100,y+100,5);
}
/* clean up */
getch();
closegraph();
return 0;
}
