diff options
Diffstat (limited to 'source4/heimdal/lib/hcrypto/libtommath/bn_mp_abs.c')
| -rw-r--r-- | source4/heimdal/lib/hcrypto/libtommath/bn_mp_abs.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/source4/heimdal/lib/hcrypto/libtommath/bn_mp_abs.c b/source4/heimdal/lib/hcrypto/libtommath/bn_mp_abs.c new file mode 100644 index 0000000000..09dd7229eb --- /dev/null +++ b/source4/heimdal/lib/hcrypto/libtommath/bn_mp_abs.c @@ -0,0 +1,43 @@ +#include <tommath.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, tomstdenis@gmail.com, 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: /cvs/libtom/libtommath/bn_mp_abs.c,v $ */ +/* $Revision: 1.4 $ */ +/* $Date: 2006/12/28 01:25:13 $ */ |