darkhistory.electrons.ics.BE_integrals.F_log_a¶
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darkhistory.electrons.ics.BE_integrals.
F_log_a
(lowlim, a, tol=1e-10)¶ Integral of log(x+a)/(exp(x) - 1) from lowlim to infinity.
Parameters: - a : ndarray
Parameter in log(x+a).
- lowlim : ndarray
Lower limit of integration.
- tol : float
The relative tolerance to be reached.
Returns: - ndarray
The resulting integral.