Short Division of Long Integers

David Harvey, Paul Zimmermann
2011 2011 IEEE 20th Symposium on Computer Arithmetic  
We consider the problem of short divisioni.e., approximate quotient -of multiple-precision integers. We present ready-to-implement algorithms that yield an approximation of the quotient, with tight and rigorous error bounds. We exhibit speedups of up to 30% with respect to GMP division with remainder, and up to 10% with respect to GMP short division, with room for further improvements. This work enables one to implement fast correctly rounded division routines in multiple-precision software tools.
doi:10.1109/arith.2011.11 dblp:conf/arith/HarveyZ10 fatcat:i6nbk6zsmvevll43tfhp53n7wy