Cobaya

Latest version: v3.5.1

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1.1.0

Python 3 compatibility – lots of fixes

Cosmological likelihoods

Planck

- clik code updated for compatibility with Python 3 and modern gcc versions

Cosmological theory codes

camb

- Updated to 1.0 (installing from master branch, considered stable)

classy

- Updated to ...
- Added P(k) interpolator

Samplers

MCMC

- Manual parameter speed-blocking.

PolyChord

- Now installable with `cobaya-install polychord --modules [/path]`

Cosmology input generator

- Added "citation" tab.

1.0.4

Many bugfixes -- special thanks to Guadalupe Cañas-Herrera and Vivian Miranda!

I/O

- More permissive resuming.

Parameterization and priors

- Made possible to fix a parameter whose only role is being an argument of a dynamically
defined one.
- Likelihoods can be used in dynamical derived parameters as `chi2__[name]` (cosmological
application: added automatic consolidated CMB and BAO likelihoods).

Samplers

General

- Seeded runs for `evaluate`, `mcmc` and `polychord`.

MCMC

- Small improvements to callback functions.

PolyChord

- Updated to PolyChord 1.15 and using
the [official GitHub repo](https://github.com/PolyChord/PolyChordLite).
- Fixed output: now -logposterior is actually that (was chi squared of posterior).
- Interfaced callback functions.

Likelihoods

Created `gaussian_mixture` and added deprecation notice to `gaussian`

Cosmological theory codes

General

- Added P(k) interpolator as an observable (was already available for CAMB, but not
documented)

classy

- Updated to 2.7.1
- Added P(k) interpolator

Cosmological likelihoods

DES

- Added Y1 release likelihoods [(arXiv:1708.01530)](https://arxiv.org/abs/1708.01530)

BICEP-Keck

- Updated to 2015 data [(arXiv:1810.05216)](https://arxiv.org/abs/1810.05216) and renamed
to `bicep_keck_2015`.

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