libtommath/bn_mp_n_root.c
Steffen Jaeckel 52cfd5ff0a mp_n_root: add mp_n_root_ex() with parameter 'fast' for mp_expt_d_ex()
This change is introduced to be able to choose the underlying
implementation of mp_expt_d_ex()

The implementation of the root_n functionality is now implemented in the
mp_n_root_ex() function.

The parameter 'fast' is just passed over to mp_expt_d_ex().

mp_n_root() defaults to the pre 921be35779
implementation
2014-09-28 13:33:59 +02:00

31 lines
805 B
C

#include <tommath.h>
#ifdef BN_MP_N_ROOT_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis
*
* LibTomMath is a library that provides multiple-precision
* integer arithmetic as well as number theoretic functionality.
*
* The library was designed directly after the MPI library by
* Michael Fromberger but has been written from scratch with
* additional optimizations in place.
*
* The library is free for all purposes without any express
* guarantee it works.
*
* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
*/
/* wrapper function for mp_n_root_ex()
* computes c = (a)**(1/b) such that (c)**b <= a and (c+1)**b > a
*/
int mp_n_root (mp_int * a, mp_digit b, mp_int * c)
{
return mp_n_root_ex(a, b, c, 0);
}
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */