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/* mpfr_setmin -- minimum representable floating-point number (raw version)
Copyright 2002-2004, 2006-2016 Free Software Foundation, Inc.
Contributed by the AriC and Caramba projects, INRIA.
This file is part of the GNU MPFR Library.
The GNU MPFR 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 MPFR 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 MPFR Library; see the file COPYING.LESSER. If not, see
http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
#include "mpfr-impl.h"
/* Note: the flags are not cleared and the current sign is kept. */
void
mpfr_setmin (mpfr_ptr x, mpfr_exp_t e)
{
mp_size_t xn;
mp_limb_t *xp;
MPFR_SET_EXP (x, e);
xn = (MPFR_PREC(x) - 1) / GMP_NUMB_BITS;
xp = MPFR_MANT(x);
xp[xn] = MPFR_LIMB_HIGHBIT;
MPN_ZERO(xp, xn);
}
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