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/* LibTomMath, multiple-precision integer library -- Tom St Denis
 *
 * LibTomMath is library that provides for multiple-precision
 * integer arithmetic as well as number theoretic functionality.
 *
 * The library is 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, tomstdenis@iahu.ca, http://math.libtomcrypt.org
 */
#include <tommath.h>

/* compare a digit */
int
mp_cmp_d (mp_int * a, mp_digit b)
{

  if (a->sign == MP_NEG) {
    return MP_LT;
  }

  if (a->used > 1) {
    return MP_GT;
  }

  if (a->dp[0] > b) {
    return MP_GT;
  } else if (a->dp[0] < b) {
    return MP_LT;
  } else {
    return MP_EQ;
  }
}
kc3-lang/libtommath/bn_mp_cmp_d.c

Commit

bn_mp_cmp_d.c
