14 lines
361 B
C
14 lines
361 B
C
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#include "tommath_private.h"
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#ifdef MP_COMPLEMENT_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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/* b = ~a */
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mp_err mp_complement(const mp_int *a, mp_int *b)
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{
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mp_int a_ = *a;
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a_.sign = ((a_.sign == MP_ZPOS) && !mp_iszero(a)) ? MP_NEG : MP_ZPOS;
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return mp_sub_d(&a_, 1uL, b);
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}
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#endif
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