Mercurial > dropbear
comparison tomsfastmath/src/bin/fp_reverse.c @ 643:a362b62d38b2 dropbear-tfm
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
with Makefile.in renamed
author | Matt Johnston <matt@ucc.asn.au> |
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date | Wed, 23 Nov 2011 18:10:20 +0700 |
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642:33fd2f3499d2 | 643:a362b62d38b2 |
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1 /* TomsFastMath, a fast ISO C bignum library. | |
2 * | |
3 * This project is meant to fill in where LibTomMath | |
4 * falls short. That is speed ;-) | |
5 * | |
6 * This project is public domain and free for all purposes. | |
7 * | |
8 * Tom St Denis, [email protected] | |
9 */ | |
10 #include <tfm.h> | |
11 | |
12 /* reverse an array, used for radix code */ | |
13 void fp_reverse (unsigned char *s, int len) | |
14 { | |
15 int ix, iy; | |
16 unsigned char t; | |
17 | |
18 ix = 0; | |
19 iy = len - 1; | |
20 while (ix < iy) { | |
21 t = s[ix]; | |
22 s[ix] = s[iy]; | |
23 s[iy] = t; | |
24 ++ix; | |
25 --iy; | |
26 } | |
27 } | |
28 | |
29 /* $Source$ */ | |
30 /* $Revision$ */ | |
31 /* $Date$ */ |