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Full merge from trunk at revision 41356 of entire boost-root tree.

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[SVN r41369]
This commit is contained in:
Beman Dawes
2007-11-25 18:07:19 +00:00
parent d7980a58f6
commit 0f24897958
12 changed files with 283 additions and 94 deletions
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4
include/boost/functional/detail/container_fwd.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
#if !defined(BOOST_DETAIL_CONTAINER_FWD_HPP)

4
include/boost/functional/detail/float_functions.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
#if !defined(BOOST_FUNCTIONAL_DETAIL_FLOAT_FUNCTIONS_HPP)

103
include/boost/functional/detail/hash_float.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
// Based on Peter Dimov's proposal
@@ -15,24 +15,40 @@
#endif
#include <boost/functional/detail/float_functions.hpp>
#include <boost/integer/static_log2.hpp>
#include <boost/cstdint.hpp>
#include <boost/limits.hpp>
#include <boost/assert.hpp>
#include <errno.h>
// Don't use fpclassify or _fpclass for stlport.
#if !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
# if defined(__GLIBCPP__) || defined(__GLIBCXX__)
// Select implementation for the current platform.
// Cygwn
#if defined(__CYGWIN__)
# if defined(__i386__) || defined(_M_IX86)
# define BOOST_HASH_USE_x86_BINARY_HASH
# endif
// STLport
#elif defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
// _fpclass and fpclassify aren't good enough on STLport.
// GNU libstdc++ 3
#elif defined(__GLIBCPP__) || defined(__GLIBCXX__)
# if (defined(__USE_ISOC99) || defined(_GLIBCXX_USE_C99_MATH)) && \
!(defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__))
# define BOOST_HASH_USE_FPCLASSIFY
# endif
# elif (defined(_YVALS) && !defined(__IBMCPP__)) || defined(_CPPLIB_VER)
// Dinkumware Library, on Visual C++
# if defined(BOOST_MSVC)
# define BOOST_HASH_USE_FPCLASS
# endif
# endif
#elif (defined(_YVALS) && !defined(__IBMCPP__)) || defined(_CPPLIB_VER)
// Not using _fpclass because it causes a warning about a conversion
// from 'long double' to 'double'. Pity.
//
//# if defined(BOOST_MSVC)
//# define BOOST_HASH_USE_FPCLASS
//# endif
#endif
namespace boost
@@ -44,25 +60,69 @@ namespace boost
seed ^= value + (seed<<6) + (seed>>2);
}
// A simple, non-portable hash algorithm for x86.
#if defined(BOOST_HASH_USE_x86_BINARY_HASH)
inline std::size_t float_hash_impl(float v)
{
boost::uint32_t* ptr = (boost::uint32_t*)&v;
std::size_t seed = *ptr;
return seed;
}
inline std::size_t float_hash_impl(double v)
{
boost::uint32_t* ptr = (boost::uint32_t*)&v;
std::size_t seed = *ptr++;
hash_float_combine(seed, *ptr);
return seed;
}
inline std::size_t float_hash_impl(long double v)
{
boost::uint32_t* ptr = (boost::uint32_t*)&v;
std::size_t seed = *ptr++;
hash_float_combine(seed, *ptr++);
hash_float_combine(seed, *(boost::uint16_t*)ptr);
return seed;
}
#else
template <class T>
inline std::size_t float_hash_impl(T v)
{
int exp = 0;
errno = 0;
v = boost::hash_detail::call_frexp(v, &exp);
if(errno) return 0;
std::size_t seed = 0;
// A postive value is easier to hash, so combine the
// sign with the exponent.
if(v < 0) {
v = -v;
exp += std::numeric_limits<T>::max_exponent -
std::numeric_limits<T>::min_exponent;
}
// The result of frexp is always between 0.5 and 1, so its
// top bit will always be 1. Subtract by 0.5 to remove that.
v -= T(0.5);
v = boost::hash_detail::call_ldexp(v,
std::numeric_limits<std::size_t>::digits + 1);
std::size_t seed = static_cast<std::size_t>(v);
v -= seed;
// ceiling(digits(T) * log2(radix(T))/ digits(size_t)) - 1;
std::size_t const length
= (std::numeric_limits<T>::digits +
std::numeric_limits<int>::digits - 1)
/ std::numeric_limits<int>::digits;
= (std::numeric_limits<T>::digits *
boost::static_log2<std::numeric_limits<T>::radix>::value
- 1)
/ std::numeric_limits<std::size_t>::digits;
for(std::size_t i = 0; i < length; ++i)
for(std::size_t i = 0; i != length; ++i)
{
v = boost::hash_detail::call_ldexp(v, std::numeric_limits<int>::digits);
int const part = static_cast<int>(v);
v = boost::hash_detail::call_ldexp(v,
std::numeric_limits<std::size_t>::digits);
std::size_t part = static_cast<std::size_t>(v);
v -= part;
hash_float_combine(seed, part);
}
@@ -71,6 +131,7 @@ namespace boost
return seed;
}
#endif
template <class T>
inline std::size_t float_hash_value(T v)
@@ -114,7 +175,7 @@ namespace boost
return 0;
}
#else
return float_hash_impl(v);
return v == 0 ? 0 : float_hash_impl(v);
#endif
}
}

4
include/boost/functional/hash.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
// Based on Peter Dimov's proposal

12
include/boost/functional/hash/deque.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
// Based on Peter Dimov's proposal
@@ -14,8 +14,14 @@
# pragma once
#endif
#if defined(__EDG__)
#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
#pragma message("Warning: boost/functional/hash/deque.hpp is deprecated, use boost/functional/hash.hpp instead.")
#elif defined(__GNUC__) || defined(__HP_aCC) || \
defined(__SUNPRO_CC) || defined(__IBMCPP__)
#warning "boost/functional/hash/deque.hpp is deprecated, use boost/functional/hash.hpp instead."
#endif
#include <boost/functional/hash.hpp>
#endif

153
include/boost/functional/hash/hash.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2007. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
// Based on Peter Dimov's proposal
@@ -28,29 +28,24 @@
#include <boost/type_traits/is_const.hpp>
#endif
#if defined(BOOST_MSVC)
# pragma warning(push)
# pragma warning(disable:4267)
#endif
namespace boost
{
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
// Borland complains about an ambiguous function overload
// when compiling boost::hash<bool>.
std::size_t hash_value(bool);
#endif
std::size_t hash_value(char);
std::size_t hash_value(unsigned char);
std::size_t hash_value(signed char);
std::size_t hash_value(short);
std::size_t hash_value(unsigned short);
std::size_t hash_value(int);
std::size_t hash_value(unsigned int);
std::size_t hash_value(long);
std::size_t hash_value(unsigned long);
#if defined(BOOST_HAS_LONG_LONG) && defined(_M_X64) && defined(_WIN64)
// On 64-bit windows std::size_t is a typedef for unsigned long long, which
// isn't due to be supported until Boost 1.35. So add support here.
// (Technically, Boost.Hash isn't actually documented as supporting
// std::size_t. But it would be pretty silly not to).
#if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
std::size_t hash_value(wchar_t);
#endif
#if defined(BOOST_HAS_LONG_LONG)
std::size_t hash_value(long long);
std::size_t hash_value(unsigned long long);
#endif
@@ -93,14 +88,84 @@ namespace boost
template <class K, class T, class C, class A>
std::size_t hash_value(std::multimap<K, T, C, A> const& v);
template <class T>
std::size_t hash_value(std::complex<T> const&);
// Implementation
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
namespace hash_detail
{
template <class T>
inline std::size_t hash_value_signed(T val)
{
const int size_t_bits = std::numeric_limits<std::size_t>::digits;
// ceiling(std::numeric_limits<T>::digits / size_t_bits) - 1
const int length = (std::numeric_limits<T>::digits - 1)
/ size_t_bits;
std::size_t seed = 0;
T positive = val < 0 ? -1 - val : val;
// Hopefully, this loop can be unrolled.
for(unsigned int i = length * size_t_bits; i > 0; i -= size_t_bits)
{
seed ^= (std::size_t) (positive >> i) + (seed<<6) + (seed>>2);
}
seed ^= (std::size_t) val + (seed<<6) + (seed>>2);
return seed;
}
template <class T>
inline std::size_t hash_value_unsigned(T val)
{
const int size_t_bits = std::numeric_limits<std::size_t>::digits;
// ceiling(std::numeric_limits<T>::digits / size_t_bits) - 1
const int length = (std::numeric_limits<T>::digits - 1)
/ size_t_bits;
std::size_t seed = 0;
// Hopefully, this loop can be unrolled.
for(unsigned int i = length * size_t_bits; i > 0; i -= size_t_bits)
{
seed ^= (std::size_t) (val >> i) + (seed<<6) + (seed>>2);
}
seed ^= (std::size_t) val + (seed<<6) + (seed>>2);
return seed;
}
}
inline std::size_t hash_value(bool v)
{
return static_cast<std::size_t>(v);
}
#endif
inline std::size_t hash_value(char v)
{
return static_cast<std::size_t>(v);
}
inline std::size_t hash_value(unsigned char v)
{
return static_cast<std::size_t>(v);
}
inline std::size_t hash_value(signed char v)
{
return static_cast<std::size_t>(v);
}
inline std::size_t hash_value(short v)
{
return static_cast<std::size_t>(v);
}
inline std::size_t hash_value(unsigned short v)
{
return static_cast<std::size_t>(v);
}
inline std::size_t hash_value(int v)
{
@@ -122,15 +187,22 @@ namespace boost
return static_cast<std::size_t>(v);
}
#if defined(BOOST_HAS_LONG_LONG) && defined(_M_X64) && defined(_WIN64)
#if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
inline std::size_t hash_value(wchar_t v)
{
return static_cast<std::size_t>(v);
}
#endif
#if defined(BOOST_HAS_LONG_LONG)
inline std::size_t hash_value(long long v)
{
return v;
return hash_detail::hash_value_signed(v);
}
inline std::size_t hash_value(unsigned long long v)
{
return v;
return hash_detail::hash_value_unsigned(v);
}
#endif
@@ -143,6 +215,7 @@ namespace boost
{
std::size_t x = static_cast<std::size_t>(
reinterpret_cast<std::ptrdiff_t>(v));
return x + (x >> 3);
}
@@ -292,6 +365,15 @@ namespace boost
return hash_range(v.begin(), v.end());
}
template <class T>
std::size_t hash_value(std::complex<T> const& v)
{
boost::hash<T> hasher;
std::size_t seed = hasher(v.imag());
seed ^= hasher(v.real()) + (seed<<6) + (seed>>2);
return seed;
}
//
// boost::hash
//
@@ -387,10 +469,17 @@ namespace boost
struct hash<T*>
: public std::unary_function<T*, std::size_t>
{
std::size_t operator()(T* v) const \
{ \
return boost::hash_value(v); \
} \
std::size_t operator()(T* v) const
{
#if !BOOST_WORKAROUND(__SUNPRO_CC, <= 0x590)
return boost::hash_value(v);
#else
std::size_t x = static_cast<std::size_t>(
reinterpret_cast<std::ptrdiff_t>(v));
return x + (x >> 3);
#endif
}
};
#else
namespace hash_detail
@@ -407,7 +496,14 @@ namespace boost
{
std::size_t operator()(T val) const
{
#if !BOOST_WORKAROUND(__SUNPRO_CC, <= 590)
return boost::hash_value(val);
#else
std::size_t x = static_cast<std::size_t>(
reinterpret_cast<std::ptrdiff_t>(val));
return x + (x >> 3);
#endif
}
};
};
@@ -422,7 +518,6 @@ namespace boost
}
#endif // BOOST_FUNCTIONAL_HASH_HASH_HPP
////////////////////////////////////////////////////////////////////////////////
#if !defined(BOOST_HASH_NO_EXTENSIONS) \
@@ -594,9 +689,5 @@ namespace boost
#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
}
#if defined(BOOST_MSVC)
# pragma warning(pop)
#endif
#endif

12
include/boost/functional/hash/list.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
// Based on Peter Dimov's proposal
@@ -14,8 +14,14 @@
# pragma once
#endif
#if defined(__EDG__)
#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
#pragma message("Warning: boost/functional/hash/list.hpp is deprecated, use boost/functional/hash.hpp instead.")
#elif defined(__GNUC__) || defined(__HP_aCC) || \
defined(__SUNPRO_CC) || defined(__IBMCPP__)
#warning "boost/functional/hash/list.hpp is deprecated, use boost/functional/hash.hpp instead."
#endif
#include <boost/functional/hash.hpp>
#endif

13
include/boost/functional/hash/map.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
// Based on Peter Dimov's proposal
@@ -14,9 +14,14 @@
# pragma once
#endif
#if defined(__EDG__)
#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
#pragma message("Warning: boost/functional/hash/map.hpp is deprecated, use boost/functional/hash.hpp instead.")
#elif defined(__GNUC__) || defined(__HP_aCC) || \
defined(__SUNPRO_CC) || defined(__IBMCPP__)
#warning "boost/functional/hash/map.hpp is deprecated, use boost/functional/hash.hpp instead."
#endif
#include <boost/functional/hash.hpp>
#endif

11
include/boost/functional/hash/pair.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
// Based on Peter Dimov's proposal
@@ -14,7 +14,14 @@
# pragma once
#endif
#if defined(__EDG__)
#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
#pragma message("Warning: boost/functional/hash/pair.hpp is deprecated, use boost/functional/hash.hpp instead.")
#elif defined(__GNUC__) || defined(__HP_aCC) || \
defined(__SUNPRO_CC) || defined(__IBMCPP__)
#warning "boost/functional/hash/pair.hpp is deprecated, use boost/functional/hash.hpp instead."
#endif
#include <boost/functional/hash.hpp>
#endif

12
include/boost/functional/hash/set.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
// Based on Peter Dimov's proposal
@@ -14,8 +14,14 @@
# pragma once
#endif
#if defined(__EDG__)
#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
#pragma message("Warning: boost/functional/hash/set.hpp is deprecated, use boost/functional/hash.hpp instead.")
#elif defined(__GNUC__) || defined(__HP_aCC) || \
defined(__SUNPRO_CC) || defined(__IBMCPP__)
#warning "boost/functional/hash/set.hpp is deprecated, use boost/functional/hash.hpp instead."
#endif
#include <boost/functional/hash.hpp>
#endif

11
include/boost/functional/hash/vector.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
// Based on Peter Dimov's proposal
@@ -14,7 +14,14 @@
# pragma once
#endif
#if defined(__EDG__)
#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
#pragma message("Warning: boost/functional/hash/vector.hpp is deprecated, use boost/functional/hash.hpp instead.")
#elif defined(__GNUC__) || defined(__HP_aCC) || \
defined(__SUNPRO_CC) || defined(__IBMCPP__)
#warning "boost/functional/hash/vector.hpp is deprecated, use boost/functional/hash.hpp instead."
#endif
#include <boost/functional/hash.hpp>
#endif

4
include/boost/functional/hash_fwd.hpp
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@@ -1,6 +1,6 @@
// Copyright Daniel James 2005-2006. Use, modification, and distribution are
// subject to the Boost Software License, Version 1.0. (See accompanying
// Copyright 2005-2007 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)
// Based on Peter Dimov's proposal