Expose A_s via the Python wrapper (cosmo.A_s) - #14
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Expose the primordial scalar amplitude A_s via cosmo.A_s (and cosmo.A_s()), mirroring the existing n_s accessor. Previously A_s was only used internally and could not be read back from a Class instance.
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The Python wrapper references
self.pm.A_sinternally (inget_current_derived_parametersand the fNL code) but never exposed a read-back accessor, socosmo.A_s/cosmo.A_s()raisedAttributeErroreven thoughcosmo.n_sworked.This adds an
A_sproperty mirroring the existingn_saccessor, returningCallableFloat(self.pm.A_s)so bothcosmo.A_sandcosmo.A_s()work.Fixes user reports that the scalar amplitude could not be read from a
Classinstance.