williamr@4: 
williamr@4: //  (C) Copyright John maddock 1999. 
williamr@4: //  (C) David Abrahams 2002.  Distributed under the Boost
williamr@4: //  Software License, Version 1.0. (See accompanying file
williamr@4: //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
williamr@4: //
williamr@4: // use this header as a workaround for missing <limits>
williamr@4: 
williamr@4: //  See http://www.boost.org/libs/utility/limits.html for documentation.
williamr@4: 
williamr@4: #ifndef BOOST_LIMITS
williamr@4: #define BOOST_LIMITS
williamr@4: 
williamr@4: #include <boost/config.hpp>
williamr@4: 
williamr@4: #ifdef BOOST_NO_LIMITS
williamr@4: # include <boost/detail/limits.hpp>
williamr@4: #else
williamr@4: # include <limits>
williamr@4: #endif
williamr@4: 
williamr@4: #if (defined(BOOST_HAS_LONG_LONG) && defined(BOOST_NO_LONG_LONG_NUMERIC_LIMITS)) \
williamr@4:       || (defined(BOOST_HAS_MS_INT64) && defined(BOOST_NO_MS_INT64_NUMERIC_LIMITS))
williamr@4: // Add missing specializations for numeric_limits:
williamr@4: #ifdef BOOST_HAS_MS_INT64
williamr@4: #  define BOOST_LLT __int64
williamr@4: #  define BOOST_ULLT unsigned __int64
williamr@4: #else
williamr@4: #  define BOOST_LLT  ::boost::long_long_type
williamr@4: #  define BOOST_ULLT  ::boost::ulong_long_type
williamr@4: #endif
williamr@4: 
williamr@4: namespace std
williamr@4: {
williamr@4:   template<>
williamr@4:   class numeric_limits<BOOST_LLT> 
williamr@4:   {
williamr@4:    public:
williamr@4: 
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_specialized = true);
williamr@4: #ifdef BOOST_HAS_MS_INT64
williamr@4:       static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0x8000000000000000i64; }
williamr@4:       static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0x7FFFFFFFFFFFFFFFi64; }
williamr@4: #elif defined(LLONG_MAX)
williamr@4:       static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LLONG_MIN; }
williamr@4:       static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LLONG_MAX; }
williamr@4: #elif defined(LONGLONG_MAX)
williamr@4:       static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LONGLONG_MIN; }
williamr@4:       static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LONGLONG_MAX; }
williamr@4: #else
williamr@4:       static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 1LL << (sizeof(BOOST_LLT) * CHAR_BIT - 1); }
williamr@4:       static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ~(min)(); }
williamr@4: #endif
williamr@4:       BOOST_STATIC_CONSTANT(int, digits = sizeof(BOOST_LLT) * CHAR_BIT -1);
williamr@4:       BOOST_STATIC_CONSTANT(int, digits10 = (CHAR_BIT * sizeof (BOOST_LLT) - 1) * 301L / 1000);
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_signed = true);
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_integer = true);
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_exact = true);
williamr@4:       BOOST_STATIC_CONSTANT(int, radix = 2);
williamr@4:       static BOOST_LLT epsilon() throw() { return 0; };
williamr@4:       static BOOST_LLT round_error() throw() { return 0; };
williamr@4: 
williamr@4:       BOOST_STATIC_CONSTANT(int, min_exponent = 0);
williamr@4:       BOOST_STATIC_CONSTANT(int, min_exponent10 = 0);
williamr@4:       BOOST_STATIC_CONSTANT(int, max_exponent = 0);
williamr@4:       BOOST_STATIC_CONSTANT(int, max_exponent10 = 0);
williamr@4: 
williamr@4:       BOOST_STATIC_CONSTANT(bool, has_infinity = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, has_quiet_NaN = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, has_signaling_NaN = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, has_denorm = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, has_denorm_loss = false);
williamr@4:       static BOOST_LLT infinity() throw() { return 0; };
williamr@4:       static BOOST_LLT quiet_NaN() throw() { return 0; };
williamr@4:       static BOOST_LLT signaling_NaN() throw() { return 0; };
williamr@4:       static BOOST_LLT denorm_min() throw() { return 0; };
williamr@4: 
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_bounded = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_modulo = false);
williamr@4: 
williamr@4:       BOOST_STATIC_CONSTANT(bool, traps = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, tinyness_before = false);
williamr@4:       BOOST_STATIC_CONSTANT(float_round_style, round_style = round_toward_zero);
williamr@4:       
williamr@4:   };
williamr@4: 
williamr@4:   template<>
williamr@4:   class numeric_limits<BOOST_ULLT> 
williamr@4:   {
williamr@4:    public:
williamr@4: 
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_specialized = true);
williamr@4: #ifdef BOOST_HAS_MS_INT64
williamr@4:       static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0ui64; }
williamr@4:       static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0xFFFFFFFFFFFFFFFFui64; }
williamr@4: #elif defined(ULLONG_MAX) && defined(ULLONG_MIN)
williamr@4:       static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULLONG_MIN; }
williamr@4:       static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULLONG_MAX; }
williamr@4: #elif defined(ULONGLONG_MAX) && defined(ULONGLONG_MIN)
williamr@4:       static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULONGLONG_MIN; }
williamr@4:       static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULONGLONG_MAX; }
williamr@4: #else
williamr@4:       static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0uLL; }
williamr@4:       static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ~0uLL; }
williamr@4: #endif
williamr@4:       BOOST_STATIC_CONSTANT(int, digits = sizeof(BOOST_LLT) * CHAR_BIT);
williamr@4:       BOOST_STATIC_CONSTANT(int, digits10 = (CHAR_BIT * sizeof (BOOST_LLT)) * 301L / 1000);
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_signed = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_integer = true);
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_exact = true);
williamr@4:       BOOST_STATIC_CONSTANT(int, radix = 2);
williamr@4:       static BOOST_ULLT epsilon() throw() { return 0; };
williamr@4:       static BOOST_ULLT round_error() throw() { return 0; };
williamr@4: 
williamr@4:       BOOST_STATIC_CONSTANT(int, min_exponent = 0);
williamr@4:       BOOST_STATIC_CONSTANT(int, min_exponent10 = 0);
williamr@4:       BOOST_STATIC_CONSTANT(int, max_exponent = 0);
williamr@4:       BOOST_STATIC_CONSTANT(int, max_exponent10 = 0);
williamr@4: 
williamr@4:       BOOST_STATIC_CONSTANT(bool, has_infinity = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, has_quiet_NaN = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, has_signaling_NaN = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, has_denorm = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, has_denorm_loss = false);
williamr@4:       static BOOST_ULLT infinity() throw() { return 0; };
williamr@4:       static BOOST_ULLT quiet_NaN() throw() { return 0; };
williamr@4:       static BOOST_ULLT signaling_NaN() throw() { return 0; };
williamr@4:       static BOOST_ULLT denorm_min() throw() { return 0; };
williamr@4: 
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_bounded = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, is_modulo = false);
williamr@4: 
williamr@4:       BOOST_STATIC_CONSTANT(bool, traps = false);
williamr@4:       BOOST_STATIC_CONSTANT(bool, tinyness_before = false);
williamr@4:       BOOST_STATIC_CONSTANT(float_round_style, round_style = round_toward_zero);
williamr@4:       
williamr@4:   };
williamr@4: }
williamr@4: #endif 
williamr@4: 
williamr@4: #endif