mpq/set_den.c


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/* mpq_set_den(dest,den) -- Set the denominator of DEST from DEN.

Copyright 1991, 1994-1996, 2000, 2001, 2012 Free Software Foundation, Inc.

This file is part of the GNU MP Library.

The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.

The GNU MP Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
License for more details.

You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library.  If not, see https://www.gnu.org/licenses/.  */

#include "gmp.h"
#include "gmp-impl.h"

void
mpq_set_den (mpq_ptr dest, mpz_srcptr den)
{
  mp_size_t size = SIZ (den);
  mp_size_t abs_size = ABS (size);
  mp_ptr dp;

  dp = MPZ_NEWALLOC (DEN(dest), abs_size);

  SIZ(DEN(dest)) = size;
  MPN_COPY (dp, PTR(den), abs_size);
}