fp_reverse.c   [plain text]

/* 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>

/* reverse an array, used for radix code */
void fp_reverse (unsigned char *s, int len)
{
  int     ix, iy;
  unsigned char t;

  ix = 0;
  iy = len - 1;
  while (ix < iy) {
    t     = s[ix];
    s[ix] = s[iy];
    s[iy] = t;
    ++ix;
    --iy;
  }
}

/* $Source: /cvs/libtom/tomsfastmath/src/bin/fp_reverse.c,v $ */
/* $Revision: 1.2 $ */
/* $Date: 2007/02/27 02:38:44 $ */