Donatien Garnier / MiniTLS-GPL

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Show/hide line numbers fp_submod.c Source File

fp_submod.c

00001 /* TomsFastMath, a fast ISO C bignum library.
00002  * 
00003  * This project is meant to fill in where LibTomMath
00004  * falls short.  That is speed ;-)
00005  *
00006  * This project is public domain and free for all purposes.
00007  * 
00008  * Tom St Denis, tomstdenis@gmail.com
00009  */
00010 #include <tfm.h>
00011 
00012 /* d = a - b (mod c) */
00013 int fp_submod(fp_int *a, fp_int *b, fp_int *c, fp_int *d)
00014 {
00015   fp_int tmp;
00016   fp_zero(&tmp);
00017   fp_sub(a, b, &tmp);
00018   return fp_mod(&tmp, c, d);
00019 }
00020 
00021 
00022 /* $Source: /cvs/libtom/tomsfastmath/src/addsub/fp_submod.c,v $ */
00023 /* $Revision: 1.1 $ */
00024 /* $Date: 2006/12/31 21:25:53 $ */
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