Code implementing the new ncdm-approximation on top of the current CLASS version. #216
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… in synchronous gauge. 1) Added the necessary code in perturb_vector_init(), perturb_derives(), and perturb_total_stress_energy() 2) Added ncdmfa_ahl to the possible values of ppr->ncdm_fluid_approximation as the 3rd value, no approximation means now 4. 3) Intercepts the case when trying to use the AHL-approximation outside synchronous gauge 4) Due to point 3, the fluid approximation is retained as standard method, but with the more value of ktau_switch 5) Fixed a small bug where the could could complain about "switching 0 approximation schemes at the same time" This code has so far been tested to work under most regular conditions.
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Hi Julien,
as the commit implied, implemented all parts necessary for using the AHL-fluid approximation in synchronous gauge.
This comprises:
This code has so far been tested to work under most regular conditions, and the output test notebook works as expected.
Cheers and let me know if there are any more questions.