-// (C) Copyright Boost.org 1999. Permission to copy, use, modify, sell and
-// distribute this software is granted provided this copyright notice appears
-// in all copies. This software is provided "as is" without express or implied
-// warranty, and with no claim as to its suitability for any purpose.
+// (C) Copyright John maddock 1999.
+// (C) David Abrahams 2002. 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)
//
// use this header as a workaround for missing <limits>
+// See http://www.boost.org/libs/compatibility/index.html for documentation.
+
#ifndef BOOST_LIMITS
#define BOOST_LIMITS
#include <boost/config.hpp>
-// for now just deactivate the following as otherwise we cannot compile
-// using LString.h and our own string implementation (Jug)
-#define BOOST_NO_LIMITS 1
-
#ifdef BOOST_NO_LIMITS
-#include <boost/detail/limits.hpp>
+# error "There is no std::numeric_limits suppport available."
+#else
+# include <limits>
+#endif
+
+#if (defined(BOOST_HAS_LONG_LONG) && defined(BOOST_NO_LONG_LONG_NUMERIC_LIMITS)) \
+ || (defined(BOOST_HAS_MS_INT64) && defined(BOOST_NO_MS_INT64_NUMERIC_LIMITS))
+// Add missing specializations for numeric_limits:
+#ifdef BOOST_HAS_MS_INT64
+# define BOOST_LLT __int64
+# define BOOST_ULLT unsigned __int64
#else
-#include <limits>
+# define BOOST_LLT ::boost::long_long_type
+# define BOOST_ULLT ::boost::ulong_long_type
#endif
+#include <climits> // for CHAR_BIT
+
+namespace std
+{
+ template<>
+ class numeric_limits<BOOST_LLT>
+ {
+ public:
+
+ BOOST_STATIC_CONSTANT(bool, is_specialized = true);
+#ifdef BOOST_HAS_MS_INT64
+ static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0x8000000000000000i64; }
+ static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0x7FFFFFFFFFFFFFFFi64; }
+#elif defined(LLONG_MAX)
+ static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LLONG_MIN; }
+ static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LLONG_MAX; }
+#elif defined(LONGLONG_MAX)
+ static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LONGLONG_MIN; }
+ static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LONGLONG_MAX; }
+#else
+ static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 1LL << (sizeof(BOOST_LLT) * CHAR_BIT - 1); }
+ static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ~(min)(); }
#endif
+ BOOST_STATIC_CONSTANT(int, digits = sizeof(BOOST_LLT) * CHAR_BIT -1);
+ BOOST_STATIC_CONSTANT(int, digits10 = (CHAR_BIT * sizeof (BOOST_LLT) - 1) * 301L / 1000);
+ BOOST_STATIC_CONSTANT(bool, is_signed = true);
+ BOOST_STATIC_CONSTANT(bool, is_integer = true);
+ BOOST_STATIC_CONSTANT(bool, is_exact = true);
+ BOOST_STATIC_CONSTANT(int, radix = 2);
+ static BOOST_LLT epsilon() throw() { return 0; };
+ static BOOST_LLT round_error() throw() { return 0; };
+
+ BOOST_STATIC_CONSTANT(int, min_exponent = 0);
+ BOOST_STATIC_CONSTANT(int, min_exponent10 = 0);
+ BOOST_STATIC_CONSTANT(int, max_exponent = 0);
+ BOOST_STATIC_CONSTANT(int, max_exponent10 = 0);
+
+ BOOST_STATIC_CONSTANT(bool, has_infinity = false);
+ BOOST_STATIC_CONSTANT(bool, has_quiet_NaN = false);
+ BOOST_STATIC_CONSTANT(bool, has_signaling_NaN = false);
+ BOOST_STATIC_CONSTANT(bool, has_denorm = false);
+ BOOST_STATIC_CONSTANT(bool, has_denorm_loss = false);
+ static BOOST_LLT infinity() throw() { return 0; };
+ static BOOST_LLT quiet_NaN() throw() { return 0; };
+ static BOOST_LLT signaling_NaN() throw() { return 0; };
+ static BOOST_LLT denorm_min() throw() { return 0; };
+
+ BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
+ BOOST_STATIC_CONSTANT(bool, is_bounded = true);
+ BOOST_STATIC_CONSTANT(bool, is_modulo = true);
+
+ BOOST_STATIC_CONSTANT(bool, traps = false);
+ BOOST_STATIC_CONSTANT(bool, tinyness_before = false);
+ BOOST_STATIC_CONSTANT(float_round_style, round_style = round_toward_zero);
+
+ };
+
+ template<>
+ class numeric_limits<BOOST_ULLT>
+ {
+ public:
+
+ BOOST_STATIC_CONSTANT(bool, is_specialized = true);
+#ifdef BOOST_HAS_MS_INT64
+ static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0ui64; }
+ static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0xFFFFFFFFFFFFFFFFui64; }
+#elif defined(ULLONG_MAX) && defined(ULLONG_MIN)
+ static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULLONG_MIN; }
+ static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULLONG_MAX; }
+#elif defined(ULONGLONG_MAX) && defined(ULONGLONG_MIN)
+ static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULONGLONG_MIN; }
+ static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULONGLONG_MAX; }
+#else
+ static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0uLL; }
+ static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ~0uLL; }
+#endif
+ BOOST_STATIC_CONSTANT(int, digits = sizeof(BOOST_LLT) * CHAR_BIT);
+ BOOST_STATIC_CONSTANT(int, digits10 = (CHAR_BIT * sizeof (BOOST_LLT)) * 301L / 1000);
+ BOOST_STATIC_CONSTANT(bool, is_signed = false);
+ BOOST_STATIC_CONSTANT(bool, is_integer = true);
+ BOOST_STATIC_CONSTANT(bool, is_exact = true);
+ BOOST_STATIC_CONSTANT(int, radix = 2);
+ static BOOST_ULLT epsilon() throw() { return 0; };
+ static BOOST_ULLT round_error() throw() { return 0; };
+
+ BOOST_STATIC_CONSTANT(int, min_exponent = 0);
+ BOOST_STATIC_CONSTANT(int, min_exponent10 = 0);
+ BOOST_STATIC_CONSTANT(int, max_exponent = 0);
+ BOOST_STATIC_CONSTANT(int, max_exponent10 = 0);
+
+ BOOST_STATIC_CONSTANT(bool, has_infinity = false);
+ BOOST_STATIC_CONSTANT(bool, has_quiet_NaN = false);
+ BOOST_STATIC_CONSTANT(bool, has_signaling_NaN = false);
+ BOOST_STATIC_CONSTANT(bool, has_denorm = false);
+ BOOST_STATIC_CONSTANT(bool, has_denorm_loss = false);
+ static BOOST_ULLT infinity() throw() { return 0; };
+ static BOOST_ULLT quiet_NaN() throw() { return 0; };
+ static BOOST_ULLT signaling_NaN() throw() { return 0; };
+ static BOOST_ULLT denorm_min() throw() { return 0; };
+
+ BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
+ BOOST_STATIC_CONSTANT(bool, is_bounded = true);
+ BOOST_STATIC_CONSTANT(bool, is_modulo = true);
+
+ BOOST_STATIC_CONSTANT(bool, traps = false);
+ BOOST_STATIC_CONSTANT(bool, tinyness_before = false);
+ BOOST_STATIC_CONSTANT(float_round_style, round_style = round_toward_zero);
+
+ };
+}
+#endif
+
+#endif
+
projects / lyx.git / blobdiff