kc3-lang/libtommath/mp_cmp_d.c

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• Hash : 1cc289d2
  Author :
  Date : 2019-11-09T20:23:03
  

  better use of mp_isneg() and mp_iszero()

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• mp_cmp_d.c

• #include "tommath_private.h"
  #ifdef MP_CMP_D_C
  /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  /* SPDX-License-Identifier: Unlicense */
  
  /* compare a digit */
  mp_ord mp_cmp_d(const mp_int *a, mp_digit b)
  {
     /* compare based on sign */
     if (mp_isneg(a)) {
        return MP_LT;
     }
  
     /* compare based on magnitude */
     if (a->used > 1) {
        return MP_GT;
     }
  
     /* compare the only digit of a to b */
     if (a->dp[0] != b) {
        return a->dp[0] > b ? MP_GT : MP_LT;
     }
  
     return MP_EQ;
  }
  #endif
  

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