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author | Pedro Alvarez <pedro.alvarez@codethink.co.uk> | 2014-12-22 00:55:04 +0000 |
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committer | Pedro Alvarez <pedro.alvarez@codethink.co.uk> | 2014-12-22 00:56:42 +0000 |
commit | 54eea31d0053620bab65153ab39d61e5575aaf1b (patch) | |
tree | 5f97c96dffdb6b27df36795689abfb9086011585 /mpfr/src/setmin.c | |
parent | c16297b7cfb0c1708f1d84b5d0f90be0844d07ce (diff) | |
download | gcc-tarball-54eea31d0053620bab65153ab39d61e5575aaf1b.tar.gz |
Add gmp, mpc and mpfr sourcesbaserock/pedroalvarez/4.9.1
Diffstat (limited to 'mpfr/src/setmin.c')
-rw-r--r-- | mpfr/src/setmin.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/mpfr/src/setmin.c b/mpfr/src/setmin.c new file mode 100644 index 0000000000..62c003a66e --- /dev/null +++ b/mpfr/src/setmin.c @@ -0,0 +1,38 @@ +/* mpfr_setmin -- minimum representable floating-point number (raw version) + +Copyright 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc. +Contributed by the AriC and Caramel 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); +} |