summaryrefslogtreecommitdiff
path: root/lib/float.in.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/float.in.h')
-rw-r--r--lib/float.in.h31
1 files changed, 14 insertions, 17 deletions
diff --git a/lib/float.in.h b/lib/float.in.h
index 8d42a60c..a4183765 100644
--- a/lib/float.in.h
+++ b/lib/float.in.h
@@ -1,27 +1,18 @@
/* A correct <float.h>.
- Copyright (C) 2007-2018 Free Software Foundation, Inc.
+ Copyright (C) 2007-2022 Free Software Foundation, Inc.
- This program is free software: you can redistribute it and/or
- modify it under the terms of either:
+ This file 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 2.1 of the
+ License, or (at your option) any later version.
- * 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.
- This program is distributed in the hope that it will be useful,
+ This file 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.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _@GUARD_PREFIX@_FLOAT_H
@@ -102,11 +93,14 @@
extern const long double LDBL_MAX;
Unfortunately, this is not a constant expression. */
+# if !GNULIB_defined_long_double_union
union gl_long_double_union
{
struct { unsigned int lo; unsigned int hi; unsigned int exponent; } xd;
long double ld;
};
+# define GNULIB_defined_long_double_union 1
+# endif
extern const union gl_long_double_union gl_LDBL_MAX;
# define LDBL_MAX (gl_LDBL_MAX.ld)
/* Minimum e such that 10^e is in the range of normalized numbers. */
@@ -155,11 +149,14 @@ extern const union gl_long_double_union gl_LDBL_MAX;
Unfortunately, this is not a constant expression, and the latter expression
does not work well when GCC is optimizing.. */
+# if !GNULIB_defined_long_double_union
union gl_long_double_union
{
struct { double hi; double lo; } dd;
long double ld;
};
+# define GNULIB_defined_long_double_union 1
+# endif
extern const union gl_long_double_union gl_LDBL_MAX;
# define LDBL_MAX (gl_LDBL_MAX.ld)
#endif