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 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 williamr@4: williamr@4: #ifdef BOOST_NO_LIMITS williamr@4: # include williamr@4: #else williamr@4: # include 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 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 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