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Added MPL-compatible variants of the integer-mask class templates (and finally make the lowest-bit-group metafunctions work for zero-length bit-groups)

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[SVN r47869]
This commit is contained in:
Daryle Walker
2008-07-29 19:33:20 +00:00
parent 2fd0675a21
commit 2d259a4f3e
4 changed files with 461 additions and 114 deletions
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38
include/boost/integer_fwd.hpp
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@ -9,12 +9,10 @@
#ifndef BOOST_INTEGER_FWD_HPP
#define BOOST_INTEGER_FWD_HPP
#include <climits> // for UCHAR_MAX, etc.
#include <cstddef> // for std::size_t
#include <boost/config.hpp> // for BOOST_NO_INTRINSIC_WCHAR_T
#include <boost/config.hpp> // for BOOST_NO_INTRINSIC_WCHAR_T, etc.
#include <boost/cstdint.hpp> // for boost::uintmax_t, intmax_t
#include <boost/limits.hpp> // for std::numeric_limits
#include <boost/detail/extended_integer.hpp> // for BOOST_HAS_XINT, etc.
@ -131,35 +129,17 @@ template< uintmax_t Value >
// From <boost/integer/integer_mask.hpp> -----------------------------------//
template < int Offset >
struct integer_hi_mask;
template < int Length >
struct integer_lo_mask;
template < std::size_t Bit >
struct high_bit_mask_t;
class high_bit_mask_t;
template < std::size_t Bits >
struct low_bits_mask_t;
template < >
struct low_bits_mask_t< ::std::numeric_limits<unsigned char>::digits >;
#if USHRT_MAX > UCHAR_MAX
template < >
struct low_bits_mask_t< ::std::numeric_limits<unsigned short>::digits >;
#endif
#if UINT_MAX > USHRT_MAX
template < >
struct low_bits_mask_t< ::std::numeric_limits<unsigned int>::digits >;
#endif
#if ULONG_MAX > UINT_MAX
template < >
struct low_bits_mask_t< ::std::numeric_limits<unsigned long>::digits >;
#endif
#if BOOST_HAS_XINT && (BOOST_UXINT_MAX > ULONG_MAX)
template < >
struct low_bits_mask_t< ::std::numeric_limits< ::boost::detail::uxint_t
>::digits >;
#endif
class low_bits_mask_t;
// From <boost/integer/static_log2.hpp> ------------------------------------//