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Port signed_significand_bits

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This commit is contained in:
Matt Borland
2023-03-10 11:33:39 -08:00
parent 8839978884
commit db69a8458c
1 changed files with 9 additions and 5 deletions
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14
include/boost/charconv/detail/dragonbox.hpp
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@@ -298,8 +298,9 @@ namespace boost { namespace charconv {
}
};
template <class T, class Traits>
struct signed_significand_bits {
template <typename T, typename Traits>
struct signed_significand_bits
{
using type = T;
using traits_type = Traits;
using carrier_uint = typename traits_type::carrier_uint;
@@ -311,16 +312,19 @@ namespace boost { namespace charconv {
: u{bit_pattern} {}
// Shift the obtained signed significand bits to the left by 1 to remove the sign bit.
constexpr carrier_uint remove_sign_bit_and_shift() const noexcept {
constexpr carrier_uint remove_sign_bit_and_shift() const noexcept
{
return traits_type::remove_sign_bit_and_shift(u);
}
constexpr bool is_positive() const noexcept { return traits_type::is_positive(u); }
constexpr bool is_negative() const noexcept { return traits_type::is_negative(u); }
constexpr bool has_all_zero_significand_bits() const noexcept {
constexpr bool has_all_zero_significand_bits() const noexcept
{
return traits_type::has_all_zero_significand_bits(u);
}
constexpr bool has_even_significand_bits() const noexcept {
constexpr bool has_even_significand_bits() const noexcept
{
return traits_type::has_even_significand_bits(u);
}
};