Simple DDA Algorithm (Lab 04)

// Simple DDA Algorithm

#include<graphics.h>
#include<math.h>

int main()
{
    int gd=DETECT, gm;
    initgraph(&gd, &gm, "");
    int x1=100, y1= 400, x2= 200, y2= 300;
    int dx=x2-x1, dy=y2-y1;
    float m=dy/dx;
    if(m<=1)
    {
        float y=y1;

        for(int i=x1; i<=x2; i++)
        {
            putpixel(i, round(y), WHITE);
            y=y+m;
        }

    }
    getch();
    closegraph();
}