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author | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2016-02-22 06:02:38 +0000 |
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committer | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2016-02-22 06:02:38 +0000 |
commit | b2ef5d127f546fa32f303b1dedfc4a6390ad677e (patch) | |
tree | 17cd90adb54888579df0e08223bf4909332380c2 /Build/source/libs/mpfr/mpfr-src/src/set_sj.c | |
parent | 05d739843a7c50294efbda2abf2ab4ea3fc146b1 (diff) |
libs/mpfr: New convention
git-svn-id: svn://tug.org/texlive/trunk@39814 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/mpfr/mpfr-src/src/set_sj.c')
-rw-r--r-- | Build/source/libs/mpfr/mpfr-src/src/set_sj.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/set_sj.c b/Build/source/libs/mpfr/mpfr-src/src/set_sj.c new file mode 100644 index 00000000000..ef24c6b3701 --- /dev/null +++ b/Build/source/libs/mpfr/mpfr-src/src/set_sj.c @@ -0,0 +1,52 @@ +/* mpfr_set_sj -- set a MPFR number from a huge machine signed integer + +Copyright 2004-2015 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. */ + +#ifdef HAVE_CONFIG_H +# include "config.h" /* for a build within gmp */ +#endif + +#include "mpfr-intmax.h" +#include "mpfr-impl.h" + +#ifdef _MPFR_H_HAVE_INTMAX_T + +int +mpfr_set_sj (mpfr_t x, intmax_t j, mpfr_rnd_t rnd) +{ + return mpfr_set_sj_2exp (x, j, 0, rnd); +} + +int +mpfr_set_sj_2exp (mpfr_t x, intmax_t j, intmax_t e, mpfr_rnd_t rnd) +{ + if (j>=0) + return mpfr_set_uj_2exp (x, j, e, rnd); + else + { + int inex; + inex = mpfr_set_uj_2exp (x, - (uintmax_t) j, e, MPFR_INVERT_RND (rnd)); + MPFR_CHANGE_SIGN (x); + return -inex; + } +} + +#endif |