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/* mpz_neg(mpz_ptr dst, mpz_ptr src) -- Assign the negated value of SRC to DST.
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Copyright 1991, 1993-1995, 2001, 2012 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of either:
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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or
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* the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any
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later version.
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or both in parallel, as here.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received copies of the GNU General Public License and the
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GNU Lesser General Public License along with the GNU MP Library. If not,
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see https://www.gnu.org/licenses/. */
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#define __GMP_FORCE_mpz_neg 1
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#include "gmp.h"
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#include "gmp-impl.h"
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void
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mpz_neg (mpz_ptr w, mpz_srcptr u)
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{
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mp_ptr wp;
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mp_srcptr up;
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mp_size_t usize, size;
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usize = SIZ (u);
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if (u != w)
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{
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size = ABS (usize);
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wp = MPZ_NEWALLOC (w, size);
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up = PTR (u);
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MPN_COPY (wp, up, size);
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}
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SIZ (w) = -usize;
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}
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