A super trimmed down TLS stack, GPL licensed
Dependents: MiniTLS-HTTPS-Example
MiniTLS - A super trimmed down TLS/SSL Library for embedded devices Author: Donatien Garnier Copyright (C) 2013-2014 AppNearMe Ltd
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
math/addsub/fp_add.c
- Committer:
- MiniTLS
- Date:
- 2014-06-06
- Revision:
- 0:35aa5be3b78d
File content as of revision 0:35aa5be3b78d:
/* TomsFastMath, a fast ISO C bignum library. * * This project is meant to fill in where LibTomMath * falls short. That is speed ;-) * * This project is public domain and free for all purposes. * * Tom St Denis, tomstdenis@gmail.com */ #include <tfm.h> void fp_add(fp_int *a, fp_int *b, fp_int *c) { int sa, sb; /* get sign of both inputs */ sa = a->sign; sb = b->sign; /* handle two cases, not four */ if (sa == sb) { /* both positive or both negative */ /* add their magnitudes, copy the sign */ c->sign = sa; s_fp_add (a, b, c); } else { /* one positive, the other negative */ /* subtract the one with the greater magnitude from */ /* the one of the lesser magnitude. The result gets */ /* the sign of the one with the greater magnitude. */ if (fp_cmp_mag (a, b) == FP_LT) { c->sign = sb; s_fp_sub (b, a, c); } else { c->sign = sa; s_fp_sub (a, b, c); } } } /* $Source: /cvs/libtom/tomsfastmath/src/addsub/fp_add.c,v $ */ /* $Revision: 1.1 $ */ /* $Date: 2006/12/31 21:25:53 $ */