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authorJörg Frings-Fürst <debian@jff.email>2025-05-02 07:42:02 +0200
committerJörg Frings-Fürst <debian@jff.email>2025-05-02 07:42:02 +0200
commitfc486627a4ecbae797fa6856d8a9204ea85f4db8 (patch)
treeff3dae4c0e5d980d8e2da4fc6256ae839269bbcd /libcutl/cutl/details/boost/functional/hash/detail/limits.hpp
parent1c188393cd2e271ed2581471b601fb5960777fd8 (diff)
parentecba0bbd9947036dd82f16ab95252f8db445e149 (diff)
Merge tag 'debian/4.0.0-10' into developdevelop
Bugfix release
Diffstat (limited to 'libcutl/cutl/details/boost/functional/hash/detail/limits.hpp')
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1 files changed, 61 insertions, 0 deletions
diff --git a/libcutl/cutl/details/boost/functional/hash/detail/limits.hpp b/libcutl/cutl/details/boost/functional/hash/detail/limits.hpp
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+
+// Copyright 2005-2009 Daniel James.
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// On some platforms std::limits gives incorrect values for long double.
+// This tries to work around them.
+
+#if !defined(BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER)
+#define BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <cutl/details/boost/limits.hpp>
+
+// On OpenBSD, numeric_limits is not reliable for long doubles, but
+// the macros defined in <float.h> are and support long double when STLport
+// doesn't.
+
+#if defined(__OpenBSD__) || defined(_STLP_NO_LONG_DOUBLE)
+#include <float.h>
+#endif
+
+namespace cutl_details_boost
+{
+ namespace hash_detail
+ {
+ template <class T>
+ struct limits : std::numeric_limits<T> {};
+
+#if defined(__OpenBSD__) || defined(_STLP_NO_LONG_DOUBLE)
+ template <>
+ struct limits<long double>
+ : std::numeric_limits<long double>
+ {
+ static long double epsilon() {
+ return LDBL_EPSILON;
+ }
+
+ static long double (max)() {
+ return LDBL_MAX;
+ }
+
+ static long double (min)() {
+ return LDBL_MIN;
+ }
+
+ BOOST_STATIC_CONSTANT(int, digits = LDBL_MANT_DIG);
+ BOOST_STATIC_CONSTANT(int, max_exponent = LDBL_MAX_EXP);
+ BOOST_STATIC_CONSTANT(int, min_exponent = LDBL_MIN_EXP);
+#if defined(_STLP_NO_LONG_DOUBLE)
+ BOOST_STATIC_CONSTANT(int, radix = FLT_RADIX);
+#endif
+ };
+#endif // __OpenBSD__
+ }
+}
+
+#endif