diff options
Diffstat (limited to 'libtommath/bn_mp_reduce_is_2k_l.c')
| -rw-r--r-- | libtommath/bn_mp_reduce_is_2k_l.c | 36 |
1 files changed, 10 insertions, 26 deletions
diff --git a/libtommath/bn_mp_reduce_is_2k_l.c b/libtommath/bn_mp_reduce_is_2k_l.c index 48b3498..4bc69be 100644 --- a/libtommath/bn_mp_reduce_is_2k_l.c +++ b/libtommath/bn_mp_reduce_is_2k_l.c @@ -1,25 +1,13 @@ -#include <tommath_private.h> +#include "tommath_private.h" #ifdef BN_MP_REDUCE_IS_2K_L_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, tstdenis82@gmail.com, http://libtom.org - */ +/* LibTomMath, multiple-precision integer library -- Tom St Denis */ +/* SPDX-License-Identifier: Unlicense */ /* determines if reduce_2k_l can be used */ -int mp_reduce_is_2k_l(mp_int *a) +mp_bool mp_reduce_is_2k_l(const mp_int *a) { int ix, iy; - + if (a->used == 0) { return MP_NO; } else if (a->used == 1) { @@ -27,18 +15,14 @@ int mp_reduce_is_2k_l(mp_int *a) } else if (a->used > 1) { /* if more than half of the digits are -1 we're sold */ for (iy = ix = 0; ix < a->used; ix++) { - if (a->dp[ix] == MP_MASK) { - ++iy; - } + if (a->dp[ix] == MP_DIGIT_MAX) { + ++iy; + } } return (iy >= (a->used/2)) ? MP_YES : MP_NO; - + } else { + return MP_NO; } - return MP_NO; } #endif - -/* ref: $Format:%D$ */ -/* git commit: $Format:%H$ */ -/* commit time: $Format:%ai$ */ |