__all__ = ("ConcentrationConstant",)
import numpy as np
from . import Concentration
[docs]class ConcentrationConstant(Concentration):
"""Constant contentration-mass relation.
Args:
c (:obj:`float`): constant concentration value.
mass_def (:class:`~pyccl.halos.massdef.MassDef` or :obj:`str`): a mass
definition (arbitrary in this case).
"""
__repr_attrs__ = __eq_attrs__ = ("mass_def", "c",)
name = 'Constant'
def __init__(self, c=1, *, mass_def="200c"):
self.c = c
super().__init__(mass_def=mass_def)
def _check_mass_def_strict(self, mass_def):
return False
def _concentration(self, cosmo, M, a):
return np.full_like(M, self.c)[()]