Mercurial > dropbear
diff tomsfastmath/src/addsub/fp_cmp_mag.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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tomsfastmath/src/addsub/fp_cmp_mag.c Wed Nov 23 18:10:20 2011 +0700 @@ -0,0 +1,35 @@ +/* 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, [email protected] + */ +#include <tfm.h> + +int fp_cmp_mag(fp_int *a, fp_int *b) +{ + int x; + + if (a->used > b->used) { + return FP_GT; + } else if (a->used < b->used) { + return FP_LT; + } else { + for (x = a->used - 1; x >= 0; x--) { + if (a->dp[x] > b->dp[x]) { + return FP_GT; + } else if (a->dp[x] < b->dp[x]) { + return FP_LT; + } + } + } + return FP_EQ; +} + + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */