1/*	$NetBSD: bn_mp_abs.c,v 1.1.1.1 2011/04/13 18:14:54 elric Exp $	*/
2
3#include <tommath.h>
4#ifdef BN_MP_ABS_C
5/* LibTomMath, multiple-precision integer library -- Tom St Denis
6 *
7 * LibTomMath is a library that provides multiple-precision
8 * integer arithmetic as well as number theoretic functionality.
9 *
10 * The library was designed directly after the MPI library by
11 * Michael Fromberger but has been written from scratch with
12 * additional optimizations in place.
13 *
14 * The library is free for all purposes without any express
15 * guarantee it works.
16 *
17 * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
18 */
19
20/* b = |a|
21 *
22 * Simple function copies the input and fixes the sign to positive
23 */
24int
25mp_abs (mp_int * a, mp_int * b)
26{
27  int     res;
28
29  /* copy a to b */
30  if (a != b) {
31     if ((res = mp_copy (a, b)) != MP_OKAY) {
32       return res;
33     }
34  }
35
36  /* force the sign of b to positive */
37  b->sign = MP_ZPOS;
38
39  return MP_OKAY;
40}
41#endif
42
43/* Source: /cvs/libtom/libtommath/bn_mp_abs.c,v */
44/* Revision: 1.4 */
45/* Date: 2006/12/28 01:25:13 */
46