Mercurial > dropbear
view libtommath/bn_mp_cmp_d.c @ 1265:81ae6ed4e2f4
use #ifdef like everywhere
author | Francois Perrad <francois.perrad@gadz.org> |
---|---|
date | Thu, 31 Dec 2015 17:22:58 +0100 |
parents | 5ff8218bcee9 |
children | 60fc6476e044 |
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#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 $ */