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comparison bn_mp_unsigned_bin_size.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 d8254fc979e9
comparison
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19:e1037a1e12e7 142:d29b64170cf0
1 #include <tommath.h>
2 #ifdef BN_MP_UNSIGNED_BIN_SIZE_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 /* get the size for an unsigned equivalent */ 18 /* get the size for an unsigned equivalent */
18 int 19 int
19 mp_unsigned_bin_size (mp_int * a) 20 mp_unsigned_bin_size (mp_int * a)
20 { 21 {
21 int size = mp_count_bits (a); 22 int size = mp_count_bits (a);
22 return (size / 8 + ((size & 7) != 0 ? 1 : 0)); 23 return (size / 8 + ((size & 7) != 0 ? 1 : 0));
23 } 24 }
25 #endif