grale::Cosmology Class Reference

This class can be used to calculate angular diameter distances in a specific kind of cosmology.

#include <cosmology.h>

List of all members.

Public Member Functions
	Cosmology (double h=0.71, double Wm=0.27, double Wr=0, double Wv=0.73, double w=-1.0)
	Create an instance to calculate angular diameter distances in a specific kind of cosmological model.
void	setH (double h)
	Sets the Hubble constant to H_0 = h * 100 km s^-1 Mpc^-1.
void	setMatter (double Wm)
	Sets Omega_m to Wm.
void	setRadiation (double Wr)
	Sets Omega_r to Wr.
void	setVacuum (double Wv)
	Sets Omega_v to Wv.
void	setVacuumEOSParameter (double w)
	Sets the equation of state parameter for dark matter to w.
double	getAngularDiameterDistance (double z1, double z2, int integrationSteps=1000) const
	Returns the angular diameter distance between redshifts z1 and z2.
double	getAngularDiameterDistance (double z, int integrationSteps=1000) const
	Returns the angular diameter distance corresponding to z.

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Constructor & Destructor Documentation

grale::Cosmology::Cosmology	(	double	h = 0.71,
		double	Wm = 0.27,
		double	Wr = 0,
		double	Wv = 0.73,
		double	w = -1.0
	)

Create an instance to calculate angular diameter distances in a specific kind of cosmological model.

Parameters:

h	Speficies the Hubble constant: H_0 = h * 100 km s^-1 Mpc^-1
Wm	Omega_m
Wr	Omega_r
Wv	Omega_v
w	Equation of state parameter for dark matter

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Member Function Documentation

double grale::Cosmology::getAngularDiameterDistance	(	double	z1,
		double	z2,
		int	integrationSteps = 1000
	)		const

Returns the angular diameter distance between redshifts z1 and z2. The precision of the numerical integration is controlled by the value of integrationSteps.

double grale::Cosmology::getAngularDiameterDistance ( double  z, int  integrationSteps = 1000  ) const

inline

Returns the angular diameter distance corresponding to z. The precision of the numerical integration is controlled by the value of integrationSteps.

References getAngularDiameterDistance().

Referenced by getAngularDiameterDistance().

void grale::Cosmology::setH ( double  h )

inline

void grale::Cosmology::setMatter ( double  Wm )

inline

void grale::Cosmology::setRadiation ( double  Wr )

inline

void grale::Cosmology::setVacuum ( double  Wv )

inline

void grale::Cosmology::setVacuumEOSParameter ( double  w )

inline

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

• src/cosmology/cosmology.h