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comparison bn_mp_div_2.c @ 142:d29b64170cf0 libtommath-orig

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import of libtommath 0.32
author Matt Johnston <matt@ucc.asn.au>
date Sun, 19 Dec 2004 11:33:56 +0000
parents 86e0b50a9b58
children
comparison
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19:e1037a1e12e7 142:d29b64170cf0
1 #include <tommath.h>
2 #ifdef BN_MP_DIV_2_C
1 /* LibTomMath, multiple-precision integer library -- Tom St Denis 3 /* LibTomMath, multiple-precision integer library -- Tom St Denis
2 * 4 *
3 * LibTomMath is a library that provides multiple-precision 5 * LibTomMath is a library that provides multiple-precision
4 * integer arithmetic as well as number theoretic functionality. 6 * integer arithmetic as well as number theoretic functionality.
5 * 7 *
10 * The library is free for all purposes without any express 12 * The library is free for all purposes without any express
11 * guarantee it works. 13 * guarantee it works.
12 * 14 *
13 * Tom St Denis, [email protected], http://math.libtomcrypt.org 15 * Tom St Denis, [email protected], http://math.libtomcrypt.org
14 */ 16 */
15 #include <tommath.h>
16 17
17 /* b = a/2 */ 18 /* b = a/2 */
18 int mp_div_2(mp_int * a, mp_int * b) 19 int mp_div_2(mp_int * a, mp_int * b)
19 { 20 {
20 int x, res, oldused; 21 int x, res, oldused;
58 } 59 }
59 b->sign = a->sign; 60 b->sign = a->sign;
60 mp_clamp (b); 61 mp_clamp (b);
61 return MP_OKAY; 62 return MP_OKAY;
62 } 63 }
64 #endif