Mercurial > dropbear
view libtommath/bn_mp_cmp_d.c @ 465:af3307f46a3d
merge of '295b11312e327fe6c4f33512674ea4a1a9790344'
and '426d7aeea950d007ed7ef9f03f9f40b138a769cb'
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sun, 13 Jan 2008 04:01:46 +0000 |
parents | 5ff8218bcee9 |
children | 60fc6476e044 |
line wrap: on
line source
#include <tommath.h> #ifdef BN_MP_CMP_D_C /* LibTomMath, multiple-precision integer library -- Tom St Denis * * LibTomMath is a library that provides multiple-precision * integer arithmetic as well as number theoretic functionality. * * The library was designed directly after the MPI library by * Michael Fromberger but has been written from scratch with * additional optimizations in place. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, [email protected], http://math.libtomcrypt.com */ /* compare a digit */ int mp_cmp_d(mp_int * a, mp_digit b) { /* compare based on sign */ if (a->sign == MP_NEG) { return MP_LT; } /* compare based on magnitude */ if (a->used > 1) { return MP_GT; } /* compare the only digit of a to b */ if (a->dp[0] > b) { return MP_GT; } else if (a->dp[0] < b) { return MP_LT; } else { return MP_EQ; } } #endif /* $Source: /cvs/libtom/libtommath/bn_mp_cmp_d.c,v $ */ /* $Revision: 1.3 $ */ /* $Date: 2006/03/31 14:18:44 $ */