PowerSpectrum abc with arbitrary precision options.
#1063
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Apr 9, 2023
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This is not to be reviewed until existing capabilities have been moved to v3. There is new science implementations that take priority. |
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Just like with
Baryons,HaloProfile,MassFuncetc. this PR introduces aPowerSpectrumbase class which returns aPk2Dobject containing the power spectrum of a particular model. The functions inboltzmann.pyare now subclasses of the base class, which allows for easy model extension.With this one, I ported the C code for the Eisenstein-Hu and BBKS fitting formulas to Python, into their own subclasses.
It also solves a long-standing issue, of passing arbitrary parameters to the models. For example, users can now exploit that to pass any precision parameter CLASS accepts.
Closes #588 , closes #424 .
May also address #114 if slightly modified.