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authorKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
committerKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
commitad547a6b5986815fda458221149728d9d9ab1d87 (patch)
tree16296910eb3eca724371474ea9aea3994dc69614 /Build/source/libs/mpfr/mpfr-src/src/set_zero.c
parent947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (diff)
restore Build,TODO from r57911
git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/mpfr/mpfr-src/src/set_zero.c')
-rw-r--r--Build/source/libs/mpfr/mpfr-src/src/set_zero.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/set_zero.c b/Build/source/libs/mpfr/mpfr-src/src/set_zero.c
new file mode 100644
index 00000000000..a8847c35ba5
--- /dev/null
+++ b/Build/source/libs/mpfr/mpfr-src/src/set_zero.c
@@ -0,0 +1,31 @@
+/* mpfr_set_zero -- set a number to plus or minus zero.
+
+Copyright 2009-2020 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
+https://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"
+
+void
+mpfr_set_zero (mpfr_ptr x, int sign)
+{
+ mpfr_set_ui (x, 0, MPFR_RNDN);
+ if (sign < 0)
+ MPFR_SET_NEG(x);
+}