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

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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/* 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(fp_int *a, fp_int *b)
{
   if (a->sign == FP_NEG && b->sign == FP_ZPOS) {
      return FP_LT;
   } else if (a->sign == FP_ZPOS && b->sign == FP_NEG) {
      return FP_GT;
   } else {
      /* compare digits */
      if (a->sign == FP_NEG) {
         /* if negative compare opposite direction */
         return fp_cmp_mag(b, a);
      } else {
         return fp_cmp_mag(a, b);
      }
   }
}

/* $Source$ */
/* $Revision$ */
/* $Date$ */