/* mpfr_setmin -- minimum representable floating-point number (raw version) Copyright 2002-2004, 2006-2018 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); } |