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Encapsulated the mutually exclusive 'long long' and '__int64' type families into a single interface

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[SVN r47754]
This commit is contained in:
Daryle Walker
2008-07-24 11:43:02 +00:00
parent 2b7ed6ebf7
commit 4af7660410
5 changed files with 218 additions and 120 deletions
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64
include/boost/integer.hpp
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@ -29,6 +29,8 @@
#include <boost/limits.hpp> // for std::numeric_limits
#include <boost/utility/enable_if.hpp> // for boost::enable_if_c
#include <boost/detail/extended_integer.hpp> // for BOOST_HAS_XINT, etc.
#include <climits> // for UCHAR_MAX, USHRT_MAX, UINT_MAX, ULONG_MAX, etc.
namespace boost
@ -64,15 +66,9 @@ namespace detail
// 3=unsigned/int, 4=(unsigned) short, 5=(un)signed char
// no specializations for 0: requests for a type > (unsigned) (long) long are
// in error
#ifdef BOOST_HAS_LONG_LONG
template<> struct int_least_helper<1, signed>
{ typedef long_long_type least; };
template<> struct int_least_helper<1, unsigned>
{ typedef ulong_long_type least; };
#elif defined(BOOST_HAS_MS_INT64)
template<> struct int_least_helper<1, signed> { typedef __int64 least; };
template<> struct int_least_helper<1, unsigned>
{ typedef unsigned __int64 least; };
#if BOOST_HAS_XINT
template<> struct int_least_helper<1, signed> { typedef xint_t least; };
template<> struct int_least_helper<1, unsigned> { typedef uxint_t least; };
#endif
template<> struct int_least_helper<2, signed> { typedef long least; };
template<> struct int_least_helper<2, unsigned>
@ -90,7 +86,7 @@ namespace detail
// category bounds
enum
{
#if defined(BOOST_HAS_LONG_LONG) || defined(BOOST_HAS_MS_INT64)
#if BOOST_HAS_XINT
lowest_integral_rank = 1,
#else
lowest_integral_rank = 2,
@ -103,12 +99,9 @@ namespace detail
struct int_rank_helper
{
BOOST_STATIC_CONSTANT( int, mantissa = BitsIncludingSign - 1 );
#ifdef BOOST_HAS_LONG_LONG
#if BOOST_HAS_XINT
BOOST_STATIC_CONSTANT( int, extended_ = (mantissa <= std::numeric_limits<
long_long_type >::digits) );
#elif defined(BOOST_HAS_MS_INT64)
BOOST_STATIC_CONSTANT( int, extended_ = (mantissa <= std::numeric_limits<
__int64 >::digits) );
xint_t >::digits) );
#else
BOOST_STATIC_CONSTANT( int, extended_ = 1 );
#endif
@ -122,12 +115,9 @@ namespace detail
template < int Bits >
struct uint_rank_helper
{
#ifdef BOOST_HAS_LONG_LONG
#if BOOST_HAS_XINT
BOOST_STATIC_CONSTANT( int, extended_ = (Bits <= std::numeric_limits<
ulong_long_type >::digits) );
#elif defined(BOOST_HAS_MS_INT64)
BOOST_STATIC_CONSTANT( int, extended_ = (Bits <= std::numeric_limits<
unsigned __int64 >::digits) );
uxint_t >::digits) );
#else
BOOST_STATIC_CONSTANT( int, extended_ = 1 );
#endif
@ -152,12 +142,9 @@ namespace detail
struct uint_exact_rank_helper<std::numeric_limits< Type >::digits> \
{ BOOST_STATIC_CONSTANT( int, rank = Rank ); }
#if defined(BOOST_HAS_LONG_LONG) && ((ULLONG_MAX > ULONG_MAX) || (ULONGLONG_MAX > ULONG_MAX))
BOOST_PRIVATE_INT_EXACT_BUILDER( long_long_type, 1 );
BOOST_PRIVATE_UINT_EXACT_BUILDER( ulong_long_type, 1 );
#elif defined(BOOST_HAS_MS_INT64) && (0xFFFFFFFFFFFFFFFFui64 > ULONG_MAX)
BOOST_PRIVATE_INT_EXACT_BUILDER( __int64, 1 );
BOOST_PRIVATE_UINT_EXACT_BUILDER( unsigned __int64, 1 );
#if BOOST_HAS_XINT && (BOOST_UXINT_MAX > ULONG_MAX)
BOOST_PRIVATE_INT_EXACT_BUILDER( xint_t, 1 );
BOOST_PRIVATE_UINT_EXACT_BUILDER( uxint_t, 1 );
#endif
#if ULONG_MAX > UINT_MAX
BOOST_PRIVATE_INT_EXACT_BUILDER( long, 2 );
@ -181,12 +168,9 @@ namespace detail
template < intmax_t MaxValue >
struct int_max_rank_helper
{
#ifdef BOOST_HAS_LONG_LONG
BOOST_STATIC_CONSTANT( int, extended_ = (MaxValue <= boost::integer_traits<
long_long_type >::const_max) );
#elif defined(BOOST_HAS_MS_INT64)
BOOST_STATIC_CONSTANT( int, extended_ = (MaxValue <= boost::integer_traits<
__int64 >::const_max) );
#if BOOST_HAS_XINT
BOOST_STATIC_CONSTANT( int, extended_ = (MaxValue <=
boost::integer_traits< xint_t >::const_max) );
#else
BOOST_STATIC_CONSTANT( int, extended_ = 1 );
#endif
@ -200,12 +184,9 @@ namespace detail
template < intmax_t MinValue >
struct int_min_rank_helper
{
#ifdef BOOST_HAS_LONG_LONG
BOOST_STATIC_CONSTANT( int, extended_ = (MinValue >= boost::integer_traits<
long_long_type >::const_min) );
#elif defined(BOOST_HAS_MS_INT64)
BOOST_STATIC_CONSTANT( int, extended_ = (MinValue >= boost::integer_traits<
__int64 >::const_min) );
#if BOOST_HAS_XINT
BOOST_STATIC_CONSTANT( int, extended_ = (MinValue >=
boost::integer_traits< xint_t >::const_min) );
#else
BOOST_STATIC_CONSTANT( int, extended_ = 1 );
#endif
@ -219,12 +200,9 @@ namespace detail
template < uintmax_t Value >
struct uint_max_rank_helper
{
#ifdef BOOST_HAS_LONG_LONG
#if BOOST_HAS_XINT
BOOST_STATIC_CONSTANT( int, extended_ = (Value <= boost::integer_traits<
ulong_long_type >::const_max) );
#elif defined(BOOST_HAS_MS_INT64)
BOOST_STATIC_CONSTANT( int, extended_ = (Value <= boost::integer_traits< unsigned
__int64 >::const_max) );
uxint_t >::const_max) );
#else
BOOST_STATIC_CONSTANT( int, extended_ = 1 );
#endif