nlohmann::detail::dtoa_impl::diyfp Struct Reference

#include <acts/blob/sPHENIX/thirdparty/nlohmann_json/single_include/nlohmann/json.hpp>

Public Member Functions
constexpr	diyfp (std::uint64_t f_, int e_) noexcept

Static Public Member Functions
static diyfp	sub (const diyfp &x, const diyfp &y) noexcept
	returns x - y
static diyfp	mul (const diyfp &x, const diyfp &y) noexcept
	returns x * y
static diyfp	normalize (diyfp x) noexcept
	normalize x such that the significand is >= 2^(q-1)
static diyfp	normalize_to (const diyfp &x, const int target_exponent) noexcept
	normalize x such that the result has the exponent E

Public Attributes
std::uint64_t	f = 0
int	e = 0

Static Public Attributes
static constexpr int	kPrecision = 64

Detailed Description

Definition at line 13028 of file json.hpp.

View newest version in sPHENIX GitHub at line 13028 of file json.hpp

Constructor & Destructor Documentation

constexpr nlohmann::detail::dtoa_impl::diyfp::diyfp ( std::uint64_t  f_, int  e_  )

inlinenoexcept

Definition at line 13035 of file json.hpp.

View newest version in sPHENIX GitHub at line 13035 of file json.hpp

Member Function Documentation

static diyfp nlohmann::detail::dtoa_impl::diyfp::mul ( const diyfp &  x, const diyfp &  y  )

inlinestaticnoexcept

returns x * y

Note

The result is rounded. (Only the upper q bits are returned.)

Definition at line 13053 of file json.hpp.

View newest version in sPHENIX GitHub at line 13053 of file json.hpp

References Acts::UnitConstants::h, Acts::UnitConstants::u, x, and y.

static diyfp nlohmann::detail::dtoa_impl::diyfp::normalize ( diyfp  x )

inlinestaticnoexcept

normalize x such that the significand is >= 2^(q-1)

Precondition

x.f != 0

Definition at line 13118 of file json.hpp.

View newest version in sPHENIX GitHub at line 13118 of file json.hpp

References Acts::UnitConstants::u, and x.

Referenced by pepsimainerhic().

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static diyfp nlohmann::detail::dtoa_impl::diyfp::normalize_to ( const diyfp &  x, const int  target_exponent  )

inlinestaticnoexcept

normalize x such that the result has the exponent E

Precondition

e >= x.e and the upper e - x.e bits of x.f must be zero.

Definition at line 13135 of file json.hpp.

View newest version in sPHENIX GitHub at line 13135 of file json.hpp

References Acts::Test::delta, and x.

static diyfp nlohmann::detail::dtoa_impl::diyfp::sub ( const diyfp &  x, const diyfp &  y  )

inlinestaticnoexcept

returns x - y

Precondition

x.e == y.e and x.f >= y.f

Definition at line 13041 of file json.hpp.

View newest version in sPHENIX GitHub at line 13041 of file json.hpp

References x, and y.

Member Data Documentation

int nlohmann::detail::dtoa_impl::diyfp::e = 0

Definition at line 13033 of file json.hpp.

View newest version in sPHENIX GitHub at line 13033 of file json.hpp

Referenced by nlohmann::detail::dtoa_impl::compute_boundaries(), nlohmann::detail::dtoa_impl::grisu2(), and nlohmann::detail::dtoa_impl::grisu2_digit_gen().

std::uint64_t nlohmann::detail::dtoa_impl::diyfp::f = 0

Definition at line 13032 of file json.hpp.

View newest version in sPHENIX GitHub at line 13032 of file json.hpp

Referenced by nlohmann::detail::dtoa_impl::compute_boundaries(), nlohmann::detail::dtoa_impl::grisu2(), and nlohmann::detail::dtoa_impl::grisu2_digit_gen().

constexpr int nlohmann::detail::dtoa_impl::diyfp::kPrecision = 64

static

Definition at line 13030 of file json.hpp.

View newest version in sPHENIX GitHub at line 13030 of file json.hpp

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The documentation for this struct was generated from the following file:

• acts/blob/sPHENIX/thirdparty/nlohmann_json/single_include/nlohmann/json.hpp