_LIBCPP_FUNC_VIS char* __u32toa(uint32_t __value, char* __buffer);
}
-#if _LIBCPP_STD_VER > 11
+#ifndef _LIBCPP_CXX03_LANG
enum class _LIBCPP_ENUM_VIS chars_format
{
namespace __itoa
{
-static constexpr uint64_t __pow10_64[] = {
+static _LIBCPP_CONSTEXPR uint64_t __pow10_64[] = {
UINT64_C(0),
UINT64_C(10),
UINT64_C(100),
UINT64_C(10000000000000000000),
};
-static constexpr uint32_t __pow10_32[] = {
+static _LIBCPP_CONSTEXPR uint32_t __pow10_32[] = {
UINT32_C(0), UINT32_C(10), UINT32_C(100),
UINT32_C(1000), UINT32_C(10000), UINT32_C(100000),
UINT32_C(1000000), UINT32_C(10000000), UINT32_C(100000000),
return __u64toa(__v, __p);
}
- static _LIBCPP_INLINE_VISIBILITY auto& __pow() { return __pow10_64; }
+ static _LIBCPP_INLINE_VISIBILITY decltype(__pow10_64)& __pow() { return __pow10_64; }
};
template <typename _Tp>
return __u32toa(__v, __p);
}
- static _LIBCPP_INLINE_VISIBILITY auto& __pow() { return __pow10_32; }
+ static _LIBCPP_INLINE_VISIBILITY decltype(__pow10_32)& __pow() { return __pow10_32; }
};
template <typename _Tp>
template <typename _Tp>
struct _LIBCPP_HIDDEN __traits : __traits_base<_Tp>
{
- static constexpr int digits = numeric_limits<_Tp>::digits10 + 1;
+ static _LIBCPP_CONSTEXPR int digits = numeric_limits<_Tp>::digits10 + 1;
using __traits_base<_Tp>::__pow;
using typename __traits_base<_Tp>::type;
}
template <typename _Tp>
-inline _LIBCPP_INLINE_VISIBILITY auto
+inline _LIBCPP_INLINE_VISIBILITY typename make_unsigned<_Tp>::type
__to_unsigned(_Tp __x)
{
- return static_cast<make_unsigned_t<_Tp>>(__x);
+ return static_cast<typename make_unsigned<_Tp>::type>(__x);
}
template <typename _Tp>
}
}
-template <typename _Tp, enable_if_t<is_integral<_Tp>::value, int> = 0>
+template <typename _Tp, typename enable_if<is_integral<_Tp>::value, int>::type = 0>
inline _LIBCPP_INLINE_VISIBILITY to_chars_result
to_chars(char* __first, char* __last, _Tp __value)
{
return __to_chars_itoa(__first, __last, __value, is_signed<_Tp>());
}
-template <typename _Tp, enable_if_t<is_integral<_Tp>::value, int> = 0>
+template <typename _Tp, typename enable_if<is_integral<_Tp>::value, int>::type = 0>
inline _LIBCPP_INLINE_VISIBILITY to_chars_result
to_chars(char* __first, char* __last, _Tp __value, int __base)
{
return __r;
}
-template <typename _Tp, enable_if_t<is_unsigned<_Tp>::value, int> = 0>
+template <typename _Tp, typename enable_if<is_unsigned<_Tp>::value, int>::type = 0>
inline _LIBCPP_INLINE_VISIBILITY from_chars_result
__from_chars_atoi(const char* __first, const char* __last, _Tp& __value)
{
});
}
-template <typename _Tp, enable_if_t<is_signed<_Tp>::value, int> = 0>
+template <typename _Tp, typename enable_if<is_signed<_Tp>::value, int>::type = 0>
inline _LIBCPP_INLINE_VISIBILITY from_chars_result
__from_chars_atoi(const char* __first, const char* __last, _Tp& __value)
{
return __sign_combinator(__first, __last, __value, __from_chars_atoi<__t>);
}
-template <typename _Tp, enable_if_t<is_unsigned<_Tp>::value, int> = 0>
+template <typename _Tp, typename enable_if<is_unsigned<_Tp>::value, int>::type = 0>
inline _LIBCPP_INLINE_VISIBILITY from_chars_result
__from_chars_integral(const char* __first, const char* __last, _Tp& __value,
int __base)
__base);
}
-template <typename _Tp, enable_if_t<is_signed<_Tp>::value, int> = 0>
+template <typename _Tp, typename enable_if<is_signed<_Tp>::value, int>::type = 0>
inline _LIBCPP_INLINE_VISIBILITY from_chars_result
__from_chars_integral(const char* __first, const char* __last, _Tp& __value,
int __base)
__from_chars_integral<__t>, __base);
}
-template <typename _Tp, enable_if_t<is_integral<_Tp>::value, int> = 0>
+template <typename _Tp, typename enable_if<is_integral<_Tp>::value, int>::type = 0>
inline _LIBCPP_INLINE_VISIBILITY from_chars_result
from_chars(const char* __first, const char* __last, _Tp& __value)
{
return __from_chars_atoi(__first, __last, __value);
}
-template <typename _Tp, enable_if_t<is_integral<_Tp>::value, int> = 0>
+template <typename _Tp, typename enable_if<is_integral<_Tp>::value, int>::type = 0>
inline _LIBCPP_INLINE_VISIBILITY from_chars_result
from_chars(const char* __first, const char* __last, _Tp& __value, int __base)
{
return __from_chars_integral(__first, __last, __value, __base);
}
-#endif // _LIBCPP_STD_VER > 11
+#endif // _LIBCPP_CXX03_LANG
_LIBCPP_END_NAMESPACE_STD
#include "test_macros.h"
-#if TEST_STD_VER <= 11
-#error This file requires C++14
+#if TEST_STD_VER < 11
+#error This file requires C++11
#endif
using std::false_type;
constexpr bool
_fits_in(T v, false_type, true_type /* T signed */, false_type /* X unsigned*/)
{
- return 0 <= v && std::make_unsigned_t<T>(v) <= (xl::max)();
+ return 0 <= v && typename std::make_unsigned<T>::type(v) <= (xl::max)();
}
template <typename X, typename T, typename xl = std::numeric_limits<X>>
constexpr bool
_fits_in(T v, false_type, false_type /* T unsigned */, ...)
{
- return v <= std::make_unsigned_t<X>((xl::max)());
+ return v <= typename std::make_unsigned<X>::type((xl::max)());
}
template <typename X, typename T>
}
private:
- static auto fromchars(char const* p, char const* ep, int base, true_type)
+ static long long fromchars(char const* p, char const* ep, int base, true_type)
{
char* last;
auto r = strtoll(p, &last, base);
return r;
}
- static auto fromchars(char const* p, char const* ep, int base, false_type)
+ static unsigned long long fromchars(char const* p, char const* ep, int base, false_type)
{
char* last;
auto r = strtoull(p, &last, base);
}
static auto fromchars(char const* p, char const* ep, int base = 10)
+ -> decltype(fromchars(p, ep, base, std::is_signed<X>()))
{
return fromchars(p, ep, base, std::is_signed<X>());
}