This invention is directed primarily to a subtracting circuit for use with a floating point processor which permits {HEAD ~ high accuracy} without requiring additional guard bits or {TAIL ~ hardware} 
without requiring
This invention is directed primarily to a subtracting circuit for use with a floating point processor which permits { HEAD ~ high accuracy } without requiring additional guard bits or { TAIL ~ hardware }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL