16 lines
464 B
C
16 lines
464 B
C
|
#include "tommath_private.h"
|
||
|
|
#ifdef MP_DR_SETUP_C
|
||
|
|
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
|
||
|
|
/* SPDX-License-Identifier: Unlicense */
|
||
|
|
|
||
|
|
/* determines the setup value */
|
||
|
|
void mp_dr_setup(const mp_int *a, mp_digit *d)
|
||
|
|
{
|
||
|
|
/* the casts are required if MP_DIGIT_BIT is one less than
|
||
|
|
* the number of bits in a mp_digit [e.g. MP_DIGIT_BIT==31]
|
||
|
|
*/
|
||
|
|
*d = (mp_digit)(((mp_word)1 << (mp_word)MP_DIGIT_BIT) - (mp_word)a->dp[0]);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|