Line data    Source code

       1             : #include "tommath_private.h"
       2             : #ifdef BN_MP_DR_SETUP_C
       3             : /* LibTomMath, multiple-precision integer library -- Tom St Denis */
       4             : /* SPDX-License-Identifier: Unlicense */
       5             : 
       6             : /* determines the setup value */
       7           0 : void mp_dr_setup(const mp_int *a, mp_digit *d)
       8             : {
       9             :    /* the casts are required if MP_DIGIT_BIT is one less than
      10             :     * the number of bits in a mp_digit [e.g. MP_DIGIT_BIT==31]
      11             :     */
      12           0 :    *d = (mp_digit)(((mp_word)1 << (mp_word)MP_DIGIT_BIT) - (mp_word)a->dp[0]);
      13           0 : }
      14             : 
      15             : #endif