1 /* LibTomMath, multiple-precision integer library -- Tom St Denis
3 * LibTomMath is library that provides for multiple-precision
4 * integer arithmetic as well as number theoretic functionality.
6 * The library is designed directly after the MPI library by
7 * Michael Fromberger but has been written from scratch with
8 * additional optimizations in place.
10 * The library is free for all purposes without any express
13 * Tom St Denis, tomstdenis@iahu.ca, http://math.libtomcrypt.org
19 * This is used to ensure that leading zero digits are
20 * trimed and the leading "used" digit will be non-zero
21 * Typically very fast. Also fixes the sign if there
22 * are no more leading digits
27 while (a->used > 0 && a->dp[a->used - 1] == 0) {