#include "2dmath.h"

FPOINT addf2(FPOINT a, FPOINT b)
{
 return((FPOINT){.x=a.x+b.x,.y=a.y+b.y});
}

FPOINT subf2(FPOINT a, FPOINT b)
{
 return((FPOINT){.x=a.x-b.x,.y=a.y-b.y});
}

FPOINT scalef(FPOINT a, double f)
{
 return((FPOINT){.x=a.x*f,.y=a.y*f});
}