Chun Te Ewe Peter Y. K. Cheung George A. Constantinides Dual Fixed-Point: An Efficient Alternative to Floating-Point Computation. 200-208 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3203&spage=200 2004 conf/fpl/2004 FPL db/conf/fpl/fpl2004.html#EweCC04