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Baryons instance requires cosmo when accessed through the cosmology object #1223

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carlosggarcia opened this issue Feb 12, 2025 · 0 comments

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carlosggarcia commented Feb 12, 2025

If you do

baryons = ccl.baryons.BaryonsSchneider15()
cosmo = ccl.CosmologyVanillaLCDM(baryonic_effects=baryons)
cosmo.baryons.boost_factor([0.1], [1])

it fails with

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
Cell In[38], line 1
----> 1 cosmo2.baryons.boost_factor([0.1], [1])

TypeError: BaryonsSchneider15.boost_factor() missing 1 required positional argument: 'a'

because it expects cosmo2.baryons.boost_factor(cosmo, [0.1], [1]).

Ideally, if you access the Baryons object through cosmo, you shouldn't need to pass it again.

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