Unit of mesurement converter. More...

#include <UnitEngine.h>

Public Types
typedef std::map< std::string, Dimension * >	dictionary_t

Public Member Functions
	UnitEngine (int)

void	addDimension (std::string desc, std::string SIu, int kmol, int rad, int A, int m, int cd, int kg, int K, int s, int eur=0)

void	addUnit (std::string desc, std::string unit, double factor, double offset=0)

double	fromSI (double v, const std::string &source_unit) const

double	toSI (double v, const std::string &destination_unit, UnitArray &unit) const

const Dimension *	pdimension (std::string unit) const
	return a pointer to the Dimension based on the unit More...

dictionary_t::const_iterator	begin (void) const

dictionary_t::const_iterator	next (void) const

dictionary_t::const_iterator	end (void) const

void	printUnits (void) const
	diagnostic print More...

Detailed Description

Unit of mesurement converter.

only integer SI exponents only multiplicative linear conversion (no offsets)

Supported units of measurement:

amount: kmol mol
angle: rad
current: A
length: m ft km dm cm mm um in
luminous intensity: cd
mass: kg mg t lb g
temperature: K degC degF
time: s min h d yr
money: $ EUR
acceleration: m/s2
amount flow: kmol/s kmol/h lbmol/h mol/h mol/s Nm3/h Nm3/d Nl/min
amount specific electric charge: C/kmol
amount specific energy: J/kmol kJ/kmol BTU/lbmol kcal/kmol
amount specific entropy: J/(kmol*K) J/kmol/K kJ/kmol/K
area: m2 dm2 ft2 cm2 mm2
areic current: A/m2 A/dm2 A/ft2 A/cm2 A/mm2 mA/cm2
areic electric resistance: ohm*m2 ohm*cm2
capacitance: F
conductance: S
density: kg/m3 mg/m3 g/m3 lb/ft3
diffusivity: m2/s
dynamical viscosity: Pa*s cP mPa*s
electric charge: C
electric potential: V mV
electric resistance: ohm
entropy: J/K
entropy power: W/K BTU/h/F
flow coefficient: kg/m7
force: N
frequency: Hz
heat transfer coefficient: W/(m2*K) kcal/(h*m2*K) BTU/(h*ft2*F) W/m2/K
heat transfer resistance: m2*K/W
inductance: H
inverse of length: 1/m
inverse of molecular weight: kmol/kg mol/kg
inverse of temperature: 1/K
length*time: m*s
magnetic flux: Wb
magnetic flux density: T
mass flow: kg/s kg/h kg/d g/d t/h t/d t/yr lb/h
mass per unit work: kg/J
mass specific energy: J/kg kcal/kg BTU/lb MJ/kg kJ/g kJ/kg m2/s2
mass specific power: W/kg kW/kg
mass specific heat capacity: J/(kg*K) kcal/(kg*K) BTU/lb/F kcal/kg/K J/kg/K kJ/kg/K
mass specific volume: m3/kg
molar concentration: kmol/m3 mol/m3 lbmol/ft3 mmol/dm3 mol/dm3
molar volume: m3/kmol
volume specific energy: J/m3 kJ/m3 J/l kWh/m3 kcal/m3 kcal/l BTU/ft3
molecular weight: kg/kmol mg/Nm3 g/Nm3 lb/lbmol
permeance: kmol/kg/m GPU
power: W BTU/h kW kcal/s kcal/h GW MW TW mW
power density: W/m2
pressure: Pa MPa atm bar barg mbar hPa kPa mmHg Torr mmH2O kg/cm2 psi
pressure*molar volume squared: Pa*m6/kmol2
resistivity: ohm*m ohm*cm
second temperature derivative of density: kg/(m3*K2)
second temperature derivative of pressure: Pa/K2
second temperature derivative of specific heat: J/(kg*K3)
surface tension: N/m
temperature derivative of density: kg/(m3*K)
temperature derivative of pressure: Pa/K
temperature derivative of specific heat: J/(kg*K2)
temperature squared/pressure: K2/Pa
temperature/pressure: K/Pa
thermal conductivity: W/(m*K) W/m/K
thermal resistivity: m*K/W
thermal resistivity squared: m2*K2/W2
VdW a: N*m4*kmol-2
VdW a*n*n: N*m4
velocity: m/s
volume: m3 ft3 dm3 cm3 mm3 ul ml l bbl
volume flow: m3/s m3/h ft3/h l/h ccm
energy: J BTU mmBTU MWh kcal kWh
energy price: EUR/J EUR/mmBTU $/mmBTU $/J EUR/kWh EUR/MWh EUR/kcal

#include <libpf/value/UnitEngine.h>

Remarks

Warning: Thread safe:; Extendable:; Platform dependencies:

Member Typedef Documentation

◆ dictionary_t

typedef std::map<std::string, Dimension*> UnitEngine::dictionary_t

Constructor & Destructor Documentation

◆ UnitEngine()

UnitEngine::UnitEngine ( int )

explicit

Member Function Documentation

◆ addDimension()

void UnitEngine::addDimension	(	std::string	desc,
		std::string	SIu,
		int	kmol,
		int	rad,
		int	A,
		int	m,
		int	cd,
		int	kg,
		int	K,
		int	s,
		int	eur = `0`
	)

◆ addUnit()

void UnitEngine::addUnit	(	std::string	desc,
		std::string	unit,
		double	factor,
		double	offset = `0`
	)

◆ begin()

dictionary_t::const_iterator UnitEngine::begin ( void ) const

◆ end()

dictionary_t::const_iterator UnitEngine::end ( void ) const

◆ fromSI()

double UnitEngine::fromSI	(	double	v,
		const std::string &	source_unit
	)		const

◆ next()

dictionary_t::const_iterator UnitEngine::next ( void ) const

◆ pdimension()

const Dimension * UnitEngine::pdimension ( std::string unit ) const

return a pointer to the Dimension based on the unit

◆ printUnits()

void UnitEngine::printUnits ( void ) const

diagnostic print

◆ toSI()

double UnitEngine::toSI	(	double	v,
		const std::string &	destination_unit,
		UnitArray &	unit
	)		const

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

UnitEngine.h

Public Types

Public Member Functions