#include <tommath.h>
#ifdef BN_MP_CMP_MAG_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.
 *
 * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
 */

/* compare maginitude of two ints (unsigned) */
int mp_cmp_mag(mp_int * a, mp_int * b)
{
	int n;
	mp_digit *tmpa, *tmpb;

	/* compare based on # of non-zero digits */
	if (a->used > b->used) {
		return MP_GT;
	}

	if (a->used < b->used) {
		return MP_LT;
	}

	/* alias for a */
	tmpa = a->dp + (a->used - 1);

	/* alias for b */
	tmpb = b->dp + (a->used - 1);

	/* compare based on digits  */
	for (n = 0; n < a->used; ++n, --tmpa, --tmpb) {
		if (*tmpa > *tmpb) {
			return MP_GT;
		}

		if (*tmpa < *tmpb) {
			return MP_LT;
		}
	}
	return MP_EQ;
}
#endif

/* $Source: /cvs/libtom/libtommath/bn_mp_cmp_mag.c,v $ */
/* $Revision: 1.4 $ */
/* $Date: 2006/12/28 01:25:13 $ */