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