Mercurial > dropbear
view libtommath/bn_mp_abs.c @ 1436:60fc6476e044
Update to libtommath v1.0
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sat, 24 Jun 2017 22:37:14 +0800 |
parents | 5ff8218bcee9 |
children | 8bba51a55704 |
line wrap: on
line source
#include <tommath_private.h> #ifdef BN_MP_ABS_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://libtom.org */ /* b = |a| * * Simple function copies the input and fixes the sign to positive */ int mp_abs (mp_int * a, mp_int * b) { int res; /* copy a to b */ if (a != b) { if ((res = mp_copy (a, b)) != MP_OKAY) { return res; } } /* force the sign of b to positive */ b->sign = MP_ZPOS; return MP_OKAY; } #endif /* $Source$ */ /* $Revision$ */ /* $Date$ */