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Fix floating point conversions

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This commit is contained in:
Krystian Stasiowski
2020-02-02 22:35:14 -05:00
parent f73658f09f
commit eea293034c
2 changed files with 42 additions and 15 deletions
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36
include/boost/static_string/static_string.hpp
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@ -257,11 +257,11 @@ public:
term_impl() noexcept { }
private:
static constexpr CharT null_{};
static constexpr const CharT null_{};
};
template<typename CharT, typename Traits>
constexpr CharT static_string_base_zero<0, CharT, Traits>::null_;
constexpr const CharT static_string_base_zero<0, CharT, Traits>::null_;
#ifdef BOOST_STATIC_STRING_NULL_OPTIMIZATION
// Optimization for storing the size in the last element
@ -502,10 +502,22 @@ to_static_wstring_int_impl(Integer value) noexcept
return static_wstring<N>(digits_begin, std::distance(digits_begin, digits_end));
}
template<std::size_t N, typename Floating>
template<std::size_t N>
inline
static_string<N>
to_static_string_float_impl(Floating value) noexcept
to_static_string_float_impl(double value) noexcept
{
// extra one needed for null terminator
char buffer[N + 1];
std::sprintf(buffer, "%f", value);
// this will not throw
return static_string<N>(buffer);
}
template<std::size_t N>
inline
static_string<N>
to_static_string_float_impl(long double value) noexcept
{
// extra one needed for null terminator
char buffer[N + 1];
@ -514,10 +526,22 @@ to_static_string_float_impl(Floating value) noexcept
return static_string<N>(buffer);
}
template<std::size_t N, typename Floating>
template<std::size_t N>
inline
static_wstring<N>
to_static_wstring_float_impl(Floating value) noexcept
to_static_wstring_float_impl(double value) noexcept
{
// extra one needed for null terminator
wchar_t buffer[N + 1];
std::swprintf(buffer, N + 1, L"%f", value);
// this will not throw
return static_wstring<N>(buffer);
}
template<std::size_t N>
inline
static_wstring<N>
to_static_wstring_float_impl(long double value) noexcept
{
// extra one needed for null terminator
wchar_t buffer[N + 1];