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kc3-lang/libtommath/bn_mp_complement.c

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  • Author : Daniel Mendler
    Date : 2019-05-13 00:22:18
    Hash : 4534056c
    Message : use enums mp_err, mp_ord, mp_bool, mp_sign * MP_USE_ENUMS enables enums * Wc++-compat catches some implicit conversions if MP_USE_ENUMS is defined * 100% backwards compatible API/ABI if MP_USE_ENUMS is not defined

  • bn_mp_complement.c 
  • #include "tommath_private.h"
#ifdef BN_MP_COMPLEMENT_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */

/* b = ~a */
mp_err mp_complement(const mp_int *a, mp_int *b)
{
   mp_err res = mp_neg(a, b);
   return (res == MP_OKAY) ? mp_sub_d(b, 1uL, b) : res;
}
#endif