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comparison tomsfastmath/src/addsub/fp_cmp.c @ 643:a362b62d38b2 dropbear-tfm

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Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a with Makefile.in renamed
author Matt Johnston <matt@ucc.asn.au>
date Wed, 23 Nov 2011 18:10:20 +0700
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642:33fd2f3499d2 643:a362b62d38b2
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 int fp_cmp(fp_int *a, fp_int *b)
13 {
14 if (a->sign == FP_NEG && b->sign == FP_ZPOS) {
15 return FP_LT;
16 } else if (a->sign == FP_ZPOS && b->sign == FP_NEG) {
17 return FP_GT;
18 } else {
19 /* compare digits */
20 if (a->sign == FP_NEG) {
21 /* if negative compare opposite direction */
22 return fp_cmp_mag(b, a);
23 } else {
24 return fp_cmp_mag(a, b);
25 }
26 }
27 }
28
29 /* $Source$ */
30 /* $Revision$ */
31 /* $Date$ */