Implements rational numbers to work with other ARTS types. More...

#include <rational.h>

Public Member Functions
constexpr	Rational (const Index nom=0, const Index denom=1)
	Initialization call. More...

	Rational (const String &s)
	Initialization call. More...

constexpr Index	Nom () const
	Nominator. More...

constexpr Index	Denom () const
	Denominator. More...

Index &	Nom ()
	Nominator. More...

Index &	Denom ()
	Denominator. More...

void	Nom (Index x)
	Nominator. More...

void	Denom (Index x)
	Denominator. More...

void	simplify_in_place ()
	Simplify by reducing the values locally. More...

constexpr bool	isUndefined () const
	Is the object not defined. More...

constexpr bool	isDefined () const
	Is the object defined. More...

constexpr bool	isIndex (int n=1) const
	Is the object a n-scaled Index. More...

constexpr Index	toIndex (int n=1) const
	Converts the value to index by n-scaled division. More...

constexpr Numeric	toNumeric () const
	Converts this to a Numeric. More...

constexpr int	toInt (int n=1) const
	Converts the value to int by n-scaled division in Index form. More...

Rational &	operator+= (const Rational &a)
	Add to this. More...

Rational &	operator+= (const Index &a)
	Add to this. More...

Rational &	operator-= (const Rational &a)
	Remove from this. More...

Rational &	operator-= (const Index &a)
	Remove from this. More...

Rational &	operator/= (const Rational &a)
	Divide by this. More...

Rational &	operator/= (const Index &a)
	Divide by this. More...

Rational &	operator*= (const Rational &a)
	Multiply by this. More...

Rational &	operator*= (const Index &a)
	Multiply by this. More...

constexpr Rational	operator++ (int) const
	Add one if possible. More...

constexpr Rational	operator-- (int) const
	Remove one if possible. More...

Rational &	operator++ ()
	Add one if possible. More...

Rational &	operator-- ()
	Remove one if possible. More...

constexpr	operator bool () const
	Cast to bool. More...

constexpr	operator Numeric () const
	Cast to Numeric. More...

constexpr	operator Index () const
	Cast to Index. More...

constexpr	operator int () const
	Cast to int. More...

bifstream &	read (bifstream &bif)
	Binary read for Rational. More...

bofstream &	write (bofstream &bof) const
	Binary write for Rational. More...

constexpr Rational &	fixSign ()
	Makes the sign of mdenom positive. More...

Private Attributes
Index	mnom

Index	mdenom

Detailed Description

Implements rational numbers to work with other ARTS types.

Definition at line 54 of file rational.h.

Constructor & Destructor Documentation

◆ Rational() [1/2]

constexpr Rational::Rational	(	const Index	nom = `0`,
		const Index	denom = `1`
	)

inlineexplicitconstexpr

Initialization call.

Parameters

[in]	nom	Nominator
[in]	denom	Denominator

Definition at line 61 of file rational.h.

References gcd(), mdenom, and mnom.

Referenced by operator++(), operator--(), and Rational().

◆ Rational() [2/2]

Rational::Rational ( const String & s )

explicit

Initialization call.

Sets the rational from the string. Formats accepted are

Numeric: 1.234567890 Fraction: 12345/67890 Index: 1234567890

Note that overflow is possible and we do not care to capture it

Parameters

[in] s String of the value

Definition at line 83 of file rational.cc.

References numeric2rational(), Rational(), and RATIONAL_UNDEFINED.

Member Function Documentation

◆ Denom() [1/3]

Index& Rational::Denom ( )

inline

Denominator.

Definition at line 94 of file rational.h.

References mdenom.

◆ Denom() [2/3]

constexpr Index Rational::Denom ( ) const

inlineconstexpr

Denominator.

Definition at line 88 of file rational.h.

References mdenom.

Referenced by operator%(), operator*(), operator*=(), operator+(), operator+=(), operator-(), operator-=(), operator/(), operator/=(), operator<(), operator<<(), operator==(), reduce_by_gcd(), and simplify_in_place().

◆ Denom() [3/3]

void Rational::Denom ( Index x )

inline

Denominator.

Definition at line 100 of file rational.h.

References mdenom, and ARTS::Var::x().

◆ fixSign()

constexpr Rational& Rational::fixSign ( )

inlineconstexpr

Makes the sign of mdenom positive.

Definition at line 296 of file rational.h.

References mdenom, and mnom.

Referenced by operator<<(), and simplify_in_place().

◆ isDefined()

constexpr bool Rational::isDefined ( ) const

inlineconstexpr

Is the object defined.

Returns: true If Denom() is not 0; false Otherwise

Definition at line 117 of file rational.h.

References mdenom.

Referenced by isIndex(), operator bool(), operator!(), operator++(), operator--(), operator<(), and operator==().

◆ isIndex()

constexpr bool Rational::isIndex ( int n = 1 ) const

inlineconstexpr

Is the object a n-scaled Index.

Parameters

[in] n Scale

Returns: true If n*Nom() % Denom() is 0; false Otherwise

Definition at line 125 of file rational.h.

References isDefined(), mdenom, and mnom.

Referenced by toIndex().

◆ isUndefined()

constexpr bool Rational::isUndefined ( ) const

inlineconstexpr

Is the object not defined.

Returns: true If Denom() is 0; false Otherwise

Definition at line 110 of file rational.h.

References mdenom.

Referenced by case_b_g_coefficient_o2(), and QuantumFieldDescription::Parse().

◆ Nom() [1/3]

Index& Rational::Nom ( )

inline

Nominator.

Definition at line 91 of file rational.h.

References mnom.

◆ Nom() [2/3]

constexpr Index Rational::Nom ( ) const

inlineconstexpr

Nominator.

Definition at line 85 of file rational.h.

References mnom.

Referenced by operator!(), operator%(), operator*(), operator*=(), operator+(), operator+=(), operator-(), operator-=(), operator/(), operator/=(), operator<(), operator<<(), operator==(), reduce_by_gcd(), and simplify_in_place().

◆ Nom() [3/3]

void Rational::Nom ( Index x )

inline

Nominator.

Definition at line 97 of file rational.h.

References mnom, and ARTS::Var::x().

◆ operator bool()

constexpr Rational::operator bool ( ) const

inlineexplicitconstexpr

Cast to bool.

Definition at line 270 of file rational.h.

References isDefined(), and mnom.

◆ operator Index()

constexpr Rational::operator Index ( ) const

inlineexplicitconstexpr

Cast to Index.

Definition at line 278 of file rational.h.

References toIndex().

◆ operator int()

constexpr Rational::operator int ( ) const

inlineexplicitconstexpr

Cast to int.

Definition at line 281 of file rational.h.

References toInt().

◆ operator Numeric()

constexpr Rational::operator Numeric ( ) const

inlineexplicitconstexpr

Cast to Numeric.

Definition at line 275 of file rational.h.

References toNumeric().

◆ operator*=() [1/2]

Rational& Rational::operator*= ( const Index & a )

inline

Multiply by this.

Parameters

[in] a To multiply by

Returns: Rational& *this

Definition at line 238 of file rational.h.

References mnom.

◆ operator*=() [2/2]

Rational& Rational::operator*= ( const Rational & a )

inline

Multiply by this.

Parameters

[in] a To multiply by

Returns: Rational& *this

Definition at line 227 of file rational.h.

References Denom(), mdenom, mnom, and Nom().

◆ operator++() [1/2]

Rational& Rational::operator++ ( )

inline

Add one if possible.

Definition at line 258 of file rational.h.

References mdenom, and mnom.

◆ operator++() [2/2]

constexpr Rational Rational::operator++ ( int ) const

inlineconstexpr

Add one if possible.

Definition at line 244 of file rational.h.

References isDefined(), mdenom, mnom, and Rational().

◆ operator+=() [1/2]

Rational& Rational::operator+= ( const Index & a )

inline

Add to this.

Parameters

[in] a To add

Returns: Rational& *this

Definition at line 175 of file rational.h.

References mdenom, and mnom.

◆ operator+=() [2/2]

Rational& Rational::operator+= ( const Rational & a )

inline

Add to this.

Parameters

[in] a To add

Returns: Rational& *this

Definition at line 164 of file rational.h.

References Denom(), mdenom, mnom, and Nom().

◆ operator--() [1/2]

Rational& Rational::operator-- ( )

inline

Remove one if possible.

Definition at line 264 of file rational.h.

References mdenom, and mnom.

◆ operator--() [2/2]

constexpr Rational Rational::operator-- ( int ) const

inlineconstexpr

Remove one if possible.

Definition at line 251 of file rational.h.

References isDefined(), mdenom, mnom, and Rational().

◆ operator-=() [1/2]

Rational& Rational::operator-= ( const Index & a )

inline

Remove from this.

Parameters

[in] a To remove

Returns: Rational& *this

Definition at line 196 of file rational.h.

References mdenom, and mnom.

◆ operator-=() [2/2]

Rational& Rational::operator-= ( const Rational & a )

inline

Remove from this.

Parameters

[in] a To remove

Returns: Rational& *this

Definition at line 185 of file rational.h.

References Denom(), mdenom, mnom, and Nom().

◆ operator/=() [1/2]

Rational& Rational::operator/= ( const Index & a )

inline

Divide by this.

Parameters

[in] a To divide by

Returns: Rational& *this

Definition at line 217 of file rational.h.

References mdenom.

◆ operator/=() [2/2]

Rational& Rational::operator/= ( const Rational & a )

inline

Divide by this.

Parameters

[in] a To divide by

Returns: Rational& *this

Definition at line 206 of file rational.h.

References Denom(), mdenom, mnom, and Nom().

◆ read()

bifstream& Rational::read ( bifstream & bif )

inline

Binary read for Rational.

Definition at line 284 of file rational.h.

References mdenom, and mnom.

◆ simplify_in_place()

void Rational::simplify_in_place ( )

Simplify by reducing the values locally.

Definition at line 104 of file rational.cc.

References Denom(), fixSign(), mdenom, mnom, Nom(), and reduce_by_gcd().

◆ toIndex()

constexpr Index Rational::toIndex ( int n = 1 ) const

inlineconstexpr

Converts the value to index by n-scaled division.

Throws a logic error if *this is not an Index

Parameters

[in] n Scale to *this

Returns: constexpr Index Of *this

Definition at line 136 of file rational.h.

References isIndex(), mdenom, and mnom.

Referenced by fac(), operator Index(), postprocess_group5_hitran(), postprocess_group6_hitran(), postprocess_group6oh_hitran(), and toInt().

◆ toInt()

constexpr int Rational::toInt ( int n = 1 ) const

inlineconstexpr

Converts the value to int by n-scaled division in Index form.

Throws a logic error if *this is not an Index

Parameters

[in] n Scale to *this

Returns: constexpr int Of *this

Definition at line 157 of file rational.h.

References toIndex().

Referenced by is_wigner3_ready(), is_wigner6_ready(), o2_ecs_wigner_symbol_tran(), o2_makarov2013_reduced_dipole(), and operator int().

◆ toNumeric()

constexpr Numeric Rational::toNumeric ( ) const

inlineconstexpr

Converts this to a Numeric.

Returns: constexpr Numeric of *this

Definition at line 146 of file rational.h.

References mdenom, and mnom.

Referenced by case_b_g_coefficient_o2(), operator Numeric(), pow(), and sqrt().

◆ write()

bofstream& Rational::write ( bofstream & bof ) const

inline

Binary write for Rational.

Definition at line 290 of file rational.h.

References mdenom, and mnom.

Member Data Documentation

◆ mdenom

Index Rational::mdenom

private

Definition at line 307 of file rational.h.

Referenced by Denom(), fixSign(), isDefined(), isIndex(), isUndefined(), operator*=(), operator++(), operator+=(), operator--(), operator-=(), operator/=(), Rational(), read(), simplify_in_place(), toIndex(), toNumeric(), and write().

◆ mnom

Index Rational::mnom

private

Definition at line 306 of file rational.h.

Referenced by fixSign(), isIndex(), Nom(), operator bool(), operator*=(), operator++(), operator+=(), operator--(), operator-=(), operator/=(), Rational(), read(), simplify_in_place(), toIndex(), toNumeric(), and write().

The documentation for this class was generated from the following files:

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Rational() [1/2]

◆ Rational() [2/2]

Member Function Documentation

◆ Denom() [1/3]

◆ Denom() [2/3]

◆ Denom() [3/3]

◆ fixSign()

◆ isDefined()

◆ isIndex()

◆ isUndefined()

◆ Nom() [1/3]

◆ Nom() [2/3]

◆ Nom() [3/3]

◆ operator bool()

◆ operator Index()

◆ operator int()

◆ operator Numeric()

◆ operator*=() [1/2]

◆ operator*=() [2/2]

◆ operator++() [1/2]

◆ operator++() [2/2]

◆ operator+=() [1/2]

◆ operator+=() [2/2]

◆ operator--() [1/2]

◆ operator--() [2/2]

◆ operator-=() [1/2]

◆ operator-=() [2/2]

◆ operator/=() [1/2]

◆ operator/=() [2/2]

◆ read()

◆ simplify_in_place()

◆ toIndex()

◆ toInt()

◆ toNumeric()

◆ write()

Member Data Documentation

◆ mdenom

◆ mnom