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kc3-lang/libtommath/bn_mp_complement.c

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  • Author : Francois Perrad
    Date : 2018-09-23 10:26:47
    Hash : 482cf1e1
    Message : explicit condition

  • bn_mp_complement.c
  • #include "tommath_private.h"
    #ifdef BN_MP_COMPLEMENT_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.
     */
    
    /* b = ~a */
    int mp_complement(const mp_int *a, mp_int *b)
    {
       int res = mp_neg(a, b);
       return (res == MP_OKAY) ? mp_sub_d(b, 1uL, b) : res;
    }
    #endif
    
    /* ref:         $Format:%D$ */
    /* git commit:  $Format:%H$ */
    /* commit time: $Format:%ai$ */