kc3-lang/libtommath/mp_complement.c

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• Hash : 3b710fbd
  Author :
  Date : 2019-11-03T11:00:33
  

  simplify mp_complement

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• mp_complement.c

• #include "tommath_private.h"
  #ifdef 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_int a_ = *a;
     a_.sign = ((a_.sign == MP_ZPOS) && !mp_iszero(a)) ? MP_NEG : MP_ZPOS;
     return mp_sub_d(&a_, 1uL, b);
  }
  #endif
  

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