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Fix for old and broken EDG compilers

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[SVN r27055]
This commit is contained in:
John Maddock
2005-02-03 13:54:18 +00:00
parent fa671bba10
commit 710d73bed8
2 changed files with 90 additions and 5 deletions
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42
include/boost/type_traits/is_signed.hpp
View File

@@ -21,6 +21,8 @@ namespace boost {
namespace detail{
#if (defined(__EDG_VERSION__) && __EDG_VERSION__ <= 238)
template <class T>
struct is_signed_helper
{
@@ -64,6 +66,46 @@ struct is_signed_imp
#endif
};
#else
template <class T> struct is_signed_imp : public false_type{};
template <> struct is_signed_imp<signed char> : public true_type{};
template <> struct is_signed_imp<const signed char> : public true_type{};
template <> struct is_signed_imp<volatile signed char> : public true_type{};
template <> struct is_signed_imp<const volatile signed char> : public true_type{};
template <> struct is_signed_imp<short> : public true_type{};
template <> struct is_signed_imp<const short> : public true_type{};
template <> struct is_signed_imp<volatile short> : public true_type{};
template <> struct is_signed_imp<const volatile short> : public true_type{};
template <> struct is_signed_imp<int> : public true_type{};
template <> struct is_signed_imp<const int> : public true_type{};
template <> struct is_signed_imp<volatile int> : public true_type{};
template <> struct is_signed_imp<const volatile int> : public true_type{};
template <> struct is_signed_imp<long> : public true_type{};
template <> struct is_signed_imp<const long> : public true_type{};
template <> struct is_signed_imp<volatile long> : public true_type{};
template <> struct is_signed_imp<const volatile long> : public true_type{};
#ifdef BOOST_HAS_LONG_LONG
template <> struct is_signed_imp<long long> : public true_type{};
template <> struct is_signed_imp<const long long> : public true_type{};
template <> struct is_signed_imp<volatile long long> : public true_type{};
template <> struct is_signed_imp<const volatile long long> : public true_type{};
#endif
#if defined(CHAR_MIN) && (CHAR_MIN != 0)
template <> struct is_signed_imp<char> : public true_type{};
template <> struct is_signed_imp<const char> : public true_type{};
template <> struct is_signed_imp<volatile char> : public true_type{};
template <> struct is_signed_imp<const volatile char> : public true_type{};
#endif
#if defined(WCHAR_MIN) && (WCHAR_MIN != 0)
template <> struct is_signed_imp<wchar_t> : public true_type{};
template <> struct is_signed_imp<const wchar_t> : public true_type{};
template <> struct is_signed_imp<volatile wchar_t> : public true_type{};
template <> struct is_signed_imp<const volatile wchar_t> : public true_type{};
#endif
#endif
}
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_signed,T,::boost::detail::is_signed_imp<T>::value)

53
include/boost/type_traits/is_unsigned.hpp
View File

@@ -21,24 +21,26 @@ namespace boost {
namespace detail{
#if !(defined(__EDG_VERSION__) && __EDG_VERSION__ <= 238)
template <class T>
struct is_unsigned_helper
struct is_ununsigned_helper
{
BOOST_STATIC_CONSTANT(bool, value = (static_cast<T>(-1) > 0));
};
template <bool integral_type>
struct is_unsigned_select_helper
struct is_ununsigned_select_helper
{
template <class T>
struct rebind
{
typedef is_unsigned_helper<T> type;
typedef is_ununsigned_helper<T> type;
};
};
template <>
struct is_unsigned_select_helper<false>
struct is_ununsigned_select_helper<false>
{
template <class T>
struct rebind
@@ -50,7 +52,7 @@ struct is_unsigned_select_helper<false>
template <class T>
struct is_unsigned_imp
{
typedef is_unsigned_select_helper<
typedef is_ununsigned_select_helper<
::boost::type_traits::ice_or<
::boost::is_integral<T>::value,
::boost::is_enum<T>::value>::value
@@ -60,6 +62,47 @@ struct is_unsigned_imp
BOOST_STATIC_CONSTANT(bool, value = type::value);
};
#else
template <class T> struct is_unsigned_imp : public false_type{};
template <> struct is_unsigned_imp<unsigned char> : public true_type{};
template <> struct is_unsigned_imp<const unsigned char> : public true_type{};
template <> struct is_unsigned_imp<volatile unsigned char> : public true_type{};
template <> struct is_unsigned_imp<const volatile unsigned char> : public true_type{};
template <> struct is_unsigned_imp<unsigned short> : public true_type{};
template <> struct is_unsigned_imp<const unsigned short> : public true_type{};
template <> struct is_unsigned_imp<volatile unsigned short> : public true_type{};
template <> struct is_unsigned_imp<const volatile unsigned short> : public true_type{};
template <> struct is_unsigned_imp<unsigned int> : public true_type{};
template <> struct is_unsigned_imp<const unsigned int> : public true_type{};
template <> struct is_unsigned_imp<volatile unsigned int> : public true_type{};
template <> struct is_unsigned_imp<const volatile unsigned int> : public true_type{};
template <> struct is_unsigned_imp<unsigned long> : public true_type{};
template <> struct is_unsigned_imp<const unsigned long> : public true_type{};
template <> struct is_unsigned_imp<volatile unsigned long> : public true_type{};
template <> struct is_unsigned_imp<const volatile unsigned long> : public true_type{};
#ifdef BOOST_HAS_LONG_LONG
template <> struct is_unsigned_imp<unsigned long long> : public true_type{};
template <> struct is_unsigned_imp<const unsigned long long> : public true_type{};
template <> struct is_unsigned_imp<volatile unsigned long long> : public true_type{};
template <> struct is_unsigned_imp<const volatile unsigned long long> : public true_type{};
#endif
#if defined(CHAR_MIN) && (CHAR_MIN == 0)
template <> struct is_unsigned_imp<char> : public true_type{};
template <> struct is_unsigned_imp<const char> : public true_type{};
template <> struct is_unsigned_imp<volatile char> : public true_type{};
template <> struct is_unsigned_imp<const volatile char> : public true_type{};
#endif
#if defined(WCHAR_MIN) && (WCHAR_MIN == 0)
template <> struct is_unsigned_imp<wchar_t> : public true_type{};
template <> struct is_unsigned_imp<const wchar_t> : public true_type{};
template <> struct is_unsigned_imp<volatile wchar_t> : public true_type{};
template <> struct is_unsigned_imp<const volatile wchar_t> : public true_type{};
#endif
#endif
}
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_unsigned,T,::boost::detail::is_unsigned_imp<T>::value)