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view libtommath/bn_mp_or.c @ 1670:aeda68938596
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author | jcmathews <jesselcmathews@yahoo.co.in> |
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date | Mon, 25 May 2020 18:32:59 +0530 |
parents | f52919ffd3b1 |
children | 1051e4eea25a |
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#include "tommath_private.h" #ifdef BN_MP_OR_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. * * SPDX-License-Identifier: Unlicense */ /* OR two ints together */ int mp_or(const mp_int *a, const mp_int *b, mp_int *c) { int res, ix, px; mp_int t; const mp_int *x; if (a->used > b->used) { if ((res = mp_init_copy(&t, a)) != MP_OKAY) { return res; } px = b->used; x = b; } else { if ((res = mp_init_copy(&t, b)) != MP_OKAY) { return res; } px = a->used; x = a; } for (ix = 0; ix < px; ix++) { t.dp[ix] |= x->dp[ix]; } mp_clamp(&t); mp_exch(c, &t); mp_clear(&t); return MP_OKAY; } #endif /* ref: HEAD -> master, tag: v1.1.0 */ /* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */ /* commit time: 2019-01-28 20:32:32 +0100 */