Math Namespace Reference

Classes
class	Expression
	Parsed Math expression. More...
class	ExpressionOperatorDesc
	Expression desc to build UI. More...
class	ExpressionOperatorDescGroup
	Group of similar expression descs. More...
class	ExpressionParser
	Parses a string with a mathematical expression. More...
class	Formula
	Math formula: (expression, inputs, units, calculation, storage). More...
class	SpecVar
	Special variables for Math Formulae/Expressions. More...
class	SpecVarSet
	Set of special variables for Math Formulae/Expressions. More...

Functions
double	Abs (double)
float	Abs (float)
float	Abs (float_complex)
unsigned int	Abs (int i)
long double	Abs (long double)
std::uint64_t	Abs (std::int64_t i)
std::uint64_t	Abs (std::uint64_t i)
unsigned int	Abs (unsigned int i)
double	ACos (double)
float	ACos (float)
long double	ACos (long double)
bool	AreBitsSet (unsigned int curflags, unsigned int mask, bool all=true)
double	ASin (double)
float	ASin (float)
long double	ASin (long double)
double	Atan2 (double y, double x)
float	Atan2 (float y, float x)
float	Atan2 (float_complex timeval)
double	BesselI0 (double)
float	BesselI0 (float)
long double	BesselI0 (long double)
double	Ceil (double)
float	Ceil (float)
float	degFromNorth (float azimuth)
double	Exp (double)
float	Exp (float)
double	Floor (double)
float	Floor (float)
const Formula *	getRelevant (const Mnemonic &, const ObjectSet< const Formula > &, const MnemonicSelection *inpmns=nullptr)
bool	getRelevant (const Mnemonic &rettp, const ObjectSet< const Formula > &, ObjectSet< const Formula > &, const MnemonicSelection *inpmns=nullptr)
int	HCFOf (int, int)
double	IntPowerOf (double, int)
float	IntPowerOf (float, int)
template<class iT , class iPOW >
iT	IntPowerOf (iT i, iPOW p)
long double	IntPowerOf (long double, int)
bool	IsNormalNumber (double)
bool	IsNormalNumber (float)
bool	IsNormalNumber (long double)
int	LCMOf (int, int)
double	Log (double)
float	Log (float)
long double	Log (long double)
double	Log10 (double)
float	Log10 (float)
long double	Log10 (long double)
double	NiceNumber (double, bool round=true)
float	NiceNumber (float, bool round=true)
int	NrSignificantDecimals (double)
double	PowerOf (double, double)
float	PowerOf (float, float)
long double	PowerOf (long double, long double)
unsigned int	SetBits (unsigned int curflags, unsigned int mask, bool yn)
float_complex	Sqrt (const float_complex &)
double	Sqrt (double)
float	Sqrt (float)
long double	Sqrt (long double)
double	toDB (double)
float	toDB (float)
long double	toDB (long double)
double	toDegrees (double r)
float	toDegrees (float r)
double	toRadians (double d)
float	toRadians (float d)

Function Documentation

Abs() [1/8]

double Math::Abs

(

double

)

Abs() [2/8]

float Math::Abs

(

float

)

Abs() [3/8]

float Math::Abs

(

float_complex

)

Abs() [4/8]

unsigned int Math::Abs

(

int

i

)

Abs() [5/8]

long double Math::Abs

(

long double

)

Abs() [6/8]

std::uint64_t Math::Abs

(

std::int64_t

i

)

Abs() [7/8]

std::uint64_t Math::Abs ( std::uint64_t  i )

inline

Abs() [8/8]

unsigned int Math::Abs ( unsigned int  i )

inline

ACos() [1/3]

double Math::ACos

(

double

)

ACos() [2/3]

float Math::ACos

(

float

)

Checks the input range before calling acos, and does thus avoid nan's due to roundoff errors.

ACos() [3/3]

long double Math::ACos

(

long double

)

AreBitsSet()

bool Math::AreBitsSet	(	unsigned int	curflags,
		unsigned int	mask,
		bool	all = true
	)

Returns wether the bits in the flag are set. If mask has multiple bits, the all boolean specifies if all bits are required.

ASin() [1/3]

double Math::ASin

(

double

)

ASin() [2/3]

float Math::ASin

(

float

)

Checks the input range before calling asin, and does thus avoid nan's due to roundoff errors.

ASin() [3/3]

long double Math::ASin

(

long double

)

Atan2() [1/3]

double Math::Atan2	(	double	y,
		double	x
	)

Atan2() [2/3]

float Math::Atan2	(	float	y,
		float	x
	)

Atan2() [3/3]

float Math::Atan2

(

float_complex

timeval

)

BesselI0() [1/3]

double Math::BesselI0

(

double

)

BesselI0() [2/3]

float Math::BesselI0

(

float

)

Zeroth order modified Bessel function of the first kind

BesselI0() [3/3]

long double Math::BesselI0

(

long double

)

Ceil() [1/2]

double Math::Ceil

(

double

)

Ceil() [2/2]

float Math::Ceil

(

float

)

degFromNorth()

float Math::degFromNorth ( float  azimuth )

inline

Exp() [1/2]

double Math::Exp

(

double

)

Exp() [2/2]

float Math::Exp

(

float

)

Checks the input range before calling exp, if too large value is given, mUdf(float) is returned.

Floor() [1/2]

double Math::Floor

(

double

)

Floor() [2/2]

float Math::Floor

(

float

)

getRelevant() [1/2]

const Formula* Math::getRelevant	(	const Mnemonic &	,
		const ObjectSet< const Formula > &	,
		const MnemonicSelection *	inpmns = nullptr
	)

getRelevant() [2/2]

bool Math::getRelevant	(	const Mnemonic &	rettp,
		const ObjectSet< const Formula > &	,
		ObjectSet< const Formula > &	,
		const MnemonicSelection *	inpmns = nullptr
	)

HCFOf()

int Math::HCFOf	(	int	,
		int
	)

<Lowest Common Multiple.

IntPowerOf() [1/4]

double Math::IntPowerOf	(	double	,
		int
	)

IntPowerOf() [2/4]

float Math::IntPowerOf	(	float	,
		int
	)

IntPowerOf() [3/4]

template<class iT , class iPOW >

iT Math::IntPowerOf ( iT  i, iPOW  p  )

inline

IntPowerOf() [4/4]

long double Math::IntPowerOf	(	long double	,
		int
	)

IsNormalNumber() [1/3]

bool Math::IsNormalNumber

(

double

)

<Highest Common Factor.

IsNormalNumber() [2/3]

bool Math::IsNormalNumber

(

float

)

Returns

0 for for infinite, NaN, and that sort of crap

IsNormalNumber() [3/3]

bool Math::IsNormalNumber

(

long double

)

LCMOf()

int Math::LCMOf	(	int	,
		int
	)

Log() [1/3]

double Math::Log

(

double

)

Log() [2/3]

float Math::Log

(

float

)

Checks the input range before calling log, returns undefined if negative or zero value is given.

Log() [3/3]

long double Math::Log

(

long double

)

Log10() [1/3]

double Math::Log10

(

double

)

Log10() [2/3]

float Math::Log10

(

float

)

Checks the input range before calling log10, returns mUdf(float) if negative or zero value is given.

Log10() [3/3]

long double Math::Log10

(

long double

)

NiceNumber() [1/2]

double Math::NiceNumber	(	double	,
		bool	round = true
	)

NiceNumber() [2/2]

float Math::NiceNumber	(	float	,
		bool	round = true
	)

NrSignificantDecimals()

int Math::NrSignificantDecimals

(

double

)

PowerOf() [1/3]

double Math::PowerOf	(	double	,
		double
	)

PowerOf() [2/3]

float Math::PowerOf	(	float	,
		float
	)

PowerOf(-2,2) returns -4. This may be mathematically incorrect, it delivers continuity with negative numbers

PowerOf() [3/3]

long double Math::PowerOf	(	long double	,
		long double
	)

SetBits()

unsigned int Math::SetBits	(	unsigned int	curflags,
		unsigned int	mask,
		bool	yn
	)

Takes curflags, sets/clears the bits in flag, and returns the composite value.

Sqrt() [1/4]

float_complex Math::Sqrt

(

const float_complex &

)

Sqrt() [2/4]

double Math::Sqrt

(

double

)

Sqrt() [3/4]

float Math::Sqrt

(

float

)

Checks the input range before calling sqrt, if negative value is given, zero is returned.

Sqrt() [4/4]

long double Math::Sqrt

(

long double

)

toDB() [1/3]

double Math::toDB

(

double

)

toDB() [2/3]

float Math::toDB

(

float

)

toDB() [3/3]

long double Math::toDB

(

long double

)

toDegrees() [1/2]

double Math::toDegrees ( double  r )

inline

toDegrees() [2/2]

float Math::toDegrees ( float  r )

inline

toRadians() [1/2]

double Math::toRadians ( double  d )

inline

toRadians() [2/2]

float Math::toRadians ( float  d )

inline