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| author | Andy Wingo <wingo@pobox.com> | 2021-01-20 21:52:54 +0100 |
|---|---|---|
| committer | Andy Wingo <wingo@pobox.com> | 2021-01-20 23:03:56 +0100 |
| commit | a91b95cca2d397c84f8b9bbd602d40209a7092ce (patch) | |
| tree | 2c286a291f5a2b812d6e216be10936f2709d59cf /lib/float.in.h | |
| parent | 758b31994cff582c7e8785b4cc2240dbf3573837 (diff) | |
| download | guile-a91b95cca2d397c84f8b9bbd602d40209a7092ce.tar.gz | |
Update Gnulib to v0.1-4379-g2ef5a9b4b
Also bump required autoconf version to 2.64, as required by Gnulib.
Diffstat (limited to 'lib/float.in.h')
| -rw-r--r-- | lib/float.in.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/float.in.h b/lib/float.in.h index 2b0625359..1179df594 100644 --- a/lib/float.in.h +++ b/lib/float.in.h @@ -1,6 +1,6 @@ /* A correct <float.h>. - Copyright (C) 2007-2017 Free Software Foundation, Inc. + Copyright (C) 2007-2021 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by @@ -13,7 +13,7 @@ GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ + along with this program. If not, see <https://www.gnu.org/licenses/>. */ #ifndef _@GUARD_PREFIX@_FLOAT_H @@ -62,8 +62,8 @@ /* On FreeBSD/x86 6.4, the 'long double' type really has only 53 bits of precision in the compiler but 64 bits of precision at runtime. See - <http://lists.gnu.org/archive/html/bug-gnulib/2008-07/msg00063.html>. */ -#if defined __i386__ && defined __FreeBSD__ + <https://lists.gnu.org/r/bug-gnulib/2008-07/msg00063.html>. */ +#if defined __i386__ && (defined __FreeBSD__ || defined __DragonFly__) /* Number of mantissa units, in base FLT_RADIX. */ # undef LDBL_MANT_DIG # define LDBL_MANT_DIG 64 @@ -81,7 +81,7 @@ # define LDBL_MAX_EXP 16384 /* Minimum positive normalized number. */ # undef LDBL_MIN -# define LDBL_MIN 3.3621031431120935E-4932L /* = 0x1p-16382L */ +# define LDBL_MIN 3.362103143112093506262677817321752E-4932L /* = 0x1p-16382L */ /* Maximum representable finite number. */ # undef LDBL_MAX /* LDBL_MAX is represented as { 0xFFFFFFFF, 0xFFFFFFFF, 32766 }. @@ -93,11 +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. */ @@ -146,11 +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 |