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authorPeter Breitenlohner <peb@mppmu.mpg.de>2014-06-18 11:12:01 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2014-06-18 11:12:01 +0000
commit0c2f0333a4e539325da80cdf3fb182cd17134665 (patch)
treede5daa66b5595292a33c25110aa58ff8bff75543 /Build/source/libs/gmp/gmp-6.0.0/mpf/set_d.c
parentdb612d5045ef55da386a2c3350d4811d1da1a858 (diff)
Add libs/gmp and libs/mpfr in preparation for MetaPost 2.0
git-svn-id: svn://tug.org/texlive/trunk@34274 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/gmp/gmp-6.0.0/mpf/set_d.c')
-rw-r--r--Build/source/libs/gmp/gmp-6.0.0/mpf/set_d.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpf/set_d.c b/Build/source/libs/gmp/gmp-6.0.0/mpf/set_d.c
new file mode 100644
index 00000000000..100194d1167
--- /dev/null
+++ b/Build/source/libs/gmp/gmp-6.0.0/mpf/set_d.c
@@ -0,0 +1,60 @@
+/* mpf_set_d -- Assign a float from a double.
+
+Copyright 1993-1996, 2001, 2003, 2004 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 "config.h"
+
+#if HAVE_FLOAT_H
+#include <float.h> /* for DBL_MAX */
+#endif
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+void
+mpf_set_d (mpf_ptr r, double d)
+{
+ int negative;
+
+ DOUBLE_NAN_INF_ACTION (d,
+ __gmp_invalid_operation (),
+ __gmp_invalid_operation ());
+
+ if (UNLIKELY (d == 0))
+ {
+ SIZ(r) = 0;
+ EXP(r) = 0;
+ return;
+ }
+ negative = d < 0;
+ d = ABS (d);
+
+ SIZ(r) = negative ? -LIMBS_PER_DOUBLE : LIMBS_PER_DOUBLE;
+ EXP(r) = __gmp_extract_double (PTR(r), d);
+}