// (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> | |
#ifdef BOOST_NO_LIMITS | |
# include <boost/detail/limits.hpp> | |
#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 | |
# 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 | |