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Allowing for cross-correlations in HOD power spectrum. #1224

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merged 4 commits into from
Feb 13, 2025
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anicola
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@anicola anicola commented Feb 13, 2025

This PR allows for cross-correlations with different HOD profiles. In the case in which the profiles are different, the code reverts to the usual Fourier-space two-point moment as implemented in Profile2pt. This holds under the assumption that the two tracers are disjoint.

@anicola anicola requested a review from damonge February 13, 2025 12:40
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damonge commented Feb 13, 2025

The code is fine, but there's a problem with conda. I'm trying to fix it, give me a few min (hopefully).

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Thanks a lot @anicola . Just one small comment.

The checks are only not passing because coveralls is down for maintenance, but we can ignore that, so don't worry.

p2.fourier_2pt(COSMO, 1., 1E13, 1., pgood, prof2=pgood_b)
# doesn't raise for two different HOD profiles
pgood_b.update_parameters(log10M0_0=10.)
p2.fourier_2pt(COSMO, 1., 1E13, 1., pgood, prof2=pgood_b)
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Can we check that this gives the same result as the standard profile2pt?

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Thank you for going through the code and the comments David. Should be fixed now.

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LGTM!

@damonge damonge merged commit 4aa9c0b into master Feb 13, 2025
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@damonge damonge deleted the dev_hod_cross branch February 13, 2025 18:56
RyoTerasawa added a commit that referenced this pull request Feb 13, 2025
Allowing for cross-correlations in HOD power spectrum. (#1224)
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2 participants