+other
+-----
+
+ieee standard: http://754r.ucbtest.org/
+extended precision issues: http://www.vinc17.org/research/extended.en.html
+fast conversion to fixedpoint: http://stereopsis.com/sree/fpu2006.html
+papers by kahan: http://www.cs.berkeley.edu/~wkahan/
+fp paper by goldberg: http://download.oracle.com/docs/cd/E19957-01/806-3568/ncg_goldberg.html