49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
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/* mpq_abs -- absolute value of a rational.
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Copyright 2000, 2001 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 the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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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 Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#define __GMP_FORCE_mpq_abs 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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mpq_abs (mpq_ptr dst, mpq_srcptr src)
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{
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mp_size_t num_size = src->_mp_num._mp_size;
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mp_size_t num_abs_size = ABS (num_size);
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if (dst != src)
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{
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mp_size_t den_size = src->_mp_den._mp_size;
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MPZ_REALLOC (mpq_numref(dst), num_abs_size);
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MPZ_REALLOC (mpq_denref(dst), den_size);
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MPN_COPY (dst->_mp_num._mp_d, src->_mp_num._mp_d, num_abs_size);
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MPN_COPY (dst->_mp_den._mp_d, src->_mp_den._mp_d, den_size);
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dst->_mp_den._mp_size = den_size;
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}
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dst->_mp_num._mp_size = num_abs_size;
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}
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