mundy::DoubleDouble Class Reference

A double-double scalar hi + lo, normalized so that |lo| <= ulp(hi) / 2.

#include <DoubleDouble.hpp>

Public Member Functions
Constructors
constexpr	DoubleDouble ()=default
	Zero.
constexpr	DoubleDouble (double value)
	The given double, exactly.
template<std::integral Integer>
constexpr	DoubleDouble (Integer value)
	The given integer, exactly (64-bit integers beyond 2^53 included).
constexpr	DoubleDouble (double hi, double lo)
	The pair hi + lo, which must already be normalized (|lo| <= ulp(hi) / 2).
Accessors and conversion
constexpr double	hi () const
	The leading double, which is the value rounded to double.
constexpr double	lo () const
	The trailing double: the rounding error of hi().
constexpr	operator double () const
	The value rounded to double. Explicit, so a DoubleDouble never silently loses its low part.

Compound assignment
constexpr DoubleDouble &	operator+= (const DoubleDouble &other)
constexpr DoubleDouble &	operator-= (const DoubleDouble &other)
constexpr DoubleDouble &	operator*= (const DoubleDouble &other)
constexpr DoubleDouble &	operator/= (const DoubleDouble &other)

Constructor & Destructor Documentation

DoubleDouble() [1/4]

mundy::DoubleDouble::DoubleDouble ( )

constexprdefault

DoubleDouble() [2/4]

mundy::DoubleDouble::DoubleDouble ( double value )

inlineconstexpr

DoubleDouble() [3/4]

template<std::integral Integer>

mundy::DoubleDouble::DoubleDouble ( Integer value )

inlineconstexpr

DoubleDouble() [4/4]

mundy::DoubleDouble::DoubleDouble ( double hi, double lo )

inlineconstexpr

Member Function Documentation

hi()

double mundy::DoubleDouble::hi ( ) const

inlineconstexpr

lo()

double mundy::DoubleDouble::lo ( ) const

inlineconstexpr

operator double()

mundy::DoubleDouble::operator double ( ) const

inlineexplicitconstexpr

operator+=()

DoubleDouble & mundy::DoubleDouble::operator+= ( const DoubleDouble & other )

constexpr

operator-=()

DoubleDouble & mundy::DoubleDouble::operator-= ( const DoubleDouble & other )

constexpr

operator*=()

DoubleDouble & mundy::DoubleDouble::operator*= ( const DoubleDouble & other )

constexpr

operator/=()

DoubleDouble & mundy::DoubleDouble::operator/= ( const DoubleDouble & other )

constexpr