diff options
author | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2015-12-28 12:26:00 +0000 |
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committer | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2015-12-28 12:26:00 +0000 |
commit | cf483bef74e67ba3d39108df4864121c887f95e6 (patch) | |
tree | 40af58d96b6c98f2c5a5c02ccfef80b1ff7b3305 /Build/source/libs/gmp/gmp-6.0.0/mpq/inv.c | |
parent | 1fff76f0c267ade1406b5a8a9a8c48c7cab1ad4f (diff) |
gmp-6.1.0
git-svn-id: svn://tug.org/texlive/trunk@39212 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/gmp/gmp-6.0.0/mpq/inv.c')
-rw-r--r-- | Build/source/libs/gmp/gmp-6.0.0/mpq/inv.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpq/inv.c b/Build/source/libs/gmp/gmp-6.0.0/mpq/inv.c deleted file mode 100644 index bd703d48602..00000000000 --- a/Build/source/libs/gmp/gmp-6.0.0/mpq/inv.c +++ /dev/null @@ -1,71 +0,0 @@ -/* mpq_inv(dest,src) -- invert a rational number, i.e. set DEST to SRC - with the numerator and denominator swapped. - -Copyright 1991, 1994, 1995, 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 either: - - * 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. - -or - - * the GNU General Public License as published by the Free Software - Foundation; either version 2 of the License, or (at your option) any - later version. - -or both in parallel, as here. - -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 General Public License -for more details. - -You should have received copies of the GNU General Public License and 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_inv (mpq_ptr dest, mpq_srcptr src) -{ - mp_size_t num_size = SIZ(NUM(src)); - mp_size_t den_size = SIZ(DEN(src)); - - if (num_size < 0) - { - num_size = -num_size; - den_size = -den_size; - } - else if (UNLIKELY (num_size == 0)) - DIVIDE_BY_ZERO; - - SIZ(DEN(dest)) = num_size; - SIZ(NUM(dest)) = den_size; - - /* If dest == src we may just swap the numerator and denominator; - we ensured that the new denominator is positive. */ - - if (dest == src) - { - MP_PTR_SWAP (PTR(NUM(dest)), PTR(DEN(dest))); - MP_SIZE_T_SWAP (ALLOC(NUM(dest)), ALLOC(DEN(dest))); - } - else - { - mp_ptr dp; - - den_size = ABS (den_size); - dp = MPZ_NEWALLOC (NUM(dest), den_size); - MPN_COPY (dp, PTR(DEN(src)), den_size); - - dp = MPZ_NEWALLOC (DEN(dest), num_size); - MPN_COPY (dp, PTR(NUM(src)), num_size); - } -} |