ARM Shanghai IoT Team (Internal) / newMiniTLS-GPL

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Fork of MiniTLS-GPL by Donatien Garnier

math/addsub/fp_cmp.c

Committer:
shiyilei
Date:
2015-02-06
Revision:
5:95f70ebfe61f
Parent:
0:35aa5be3b78d

File content as of revision 5:95f70ebfe61f:

/* 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>

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: /cvs/libtom/tomsfastmath/src/addsub/fp_cmp.c,v $ */
/* $Revision: 1.1 $ */
/* $Date: 2006/12/31 21:25:53 $ */