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CosmoMC: use fixed CMB theory spectra from file

Posted: March 10 2020
by Graeme Addison
Hi, is there a way to tell CosmoMC to use a fixed CMB theory spectrum from some text file in a regular action=0 run rather than calling CAMB?

Re: CosmoMC: use fixed CMB theory spectra from file

Posted: March 11 2020
by Antony Lewis
Not directly I think. This will be easier in Cobaya.

Re: CosmoMC: use fixed CMB theory spectra from file

Posted: March 11 2020
by Graeme Addison
OK, thanks for the reply. I have a small difference in theory spectra from the same input parameters, I think from slightly different CAMB versions. But it shouldn't be a problem, I will figure out a test to show it doesn't matter for what I'm trying to do.