view libtommath/bn_mp_cmp.c @ 1837:df7bfd2f7d45

Add "make test" target to run pytest This will create a virtualenv if required. There is a bit of churn here reverting to autoconf 2.59 in generated config.h.in and configure
author Matt Johnston <matt@codeconstruct.com.au>
date Mon, 18 Oct 2021 14:24:32 +0800
parents 1051e4eea25a
children
line wrap: on
line source

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

/* compare two ints (signed)*/
mp_ord mp_cmp(const mp_int *a, const mp_int *b)
{
   /* compare based on sign */
   if (a->sign != b->sign) {
      if (a->sign == MP_NEG) {
         return MP_LT;
      } else {
         return MP_GT;
      }
   }

   /* compare digits */
   if (a->sign == MP_NEG) {
      /* if negative compare opposite direction */
      return mp_cmp_mag(b, a);
   } else {
      return mp_cmp_mag(a, b);
   }
}
#endif