Alexandria 2.31.0
SDC-CH common library for the Euclid project
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CosmologicalParameters.h
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1/*
2 * Copyright (C) 2012-2021 Euclid Science Ground Segment
3 *
4 * This library is free software; you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License as published by the Free
6 * Software Foundation; either version 3.0 of the License, or (at your option)
7 * any later version.
8 *
9 * This library is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 * details.
13 *
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this library; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
25#ifndef PHYSICSUTILS_PHYSICSUTILS_COSMOLOGICALPARAMETERS_H_
26#define PHYSICSUTILS_PHYSICSUTILS_COSMOLOGICALPARAMETERS_H_
27
28namespace Euclid {
29namespace PhysicsUtils {
30
39public:
52 CosmologicalParameters(double omega_m = 0.3089, double omega_lambda = 0.6911, double hubble_constant = 67.74);
53
54 virtual ~CosmologicalParameters() = default;
55
59 double getOmegaM() const;
60
64 double getOmegaLambda() const;
65
69 double getOmegaK() const;
70
74 double getHubbleConstant() const;
75
76private:
77 double m_omega_m;
79 double m_omega_k;
80 double m_H_0;
81};
82
83} // namespace PhysicsUtils
84} // namespace Euclid
85#endif /* PHYSICSUTILS_PHYSICSUTILS_COSMOLOGICALPARAMETERS_H_ */
Model the cosmological parameters. Omega_m, Omega_lambda, Omega_k and hubble_constant....
double getOmegaLambda() const
Get Omega Lambda for the cosmology.
double getHubbleConstant() const
Get the Hubble constant H_0 in (km/s)/Mpc.
double getOmegaM() const
Get Omega matter for the cosmology.
double getOmegaK() const
Get the Omega curvature (computed as 1 - Omega_m - Omega_L) for the cosmology.