16-bit mt_logic

function binarymerge(clip a,clip b,clip mask,int "y",int "u",int "v",string "chroma")
{
    aa = mt_logic(mask,a,mode="andn",y=y,u=u,v=v,chroma=chroma)
    bb = mt_logic(mask,b,mode="and",y=y,u=u,v=v,chroma=chroma)
    mt_logic(aa,bb,mode="or",y=y,u=u,v=v,chroma=chroma)
}

function logic16(clip a,clip b,string "mode",int "y",int "u",int "v",string "chroma")
{
    al = a.dither_get_lsb()
    ah = a.dither_get_msb()
    bl = b.dither_get_lsb()
    bh = b.dither_get_msb()
    h = mt_logic(ah,bh,mode=mode,y=y,u=u,v=v,chroma=chroma)
    l = mt_logic(al,bl,mode=mode,y=y,u=u,v=v,chroma=chroma)
    ma = mt_lutxy(ah,bh,"x y < 255 0 ?",y=y,u=u,v=v,chroma=chroma)
    mb = mt_lutxy(ah,bh,"x y > 255 0 ?",y=y,u=u,v=v,chroma=chroma)
    l = (mode == "min") ? l.binarymerge(al,ma,y=y,u=u,v=v,chroma=chroma).binarymerge(bl,mb,y=y,u=u,v=v,chroma=chroma) \
                        : l.binarymerge(al,mb,y=y,u=u,v=v,chroma=chroma).binarymerge(bl,ma,y=y,u=u,v=v,chroma=chroma)
    return (mode == "min" || mode == "max") ? stackvertical(h,l) : mt_logic(a,b,mode=mode,y=y,u=u,v=v,chroma=chroma)
}