darkhistory.utilities.
log_series_diff
The Taylor series for log(1+b) - log(1+a).
Input for log(1+a).
Input for log(1+b).
The Taylor series log(1+b) - log(1+a), up to the 11th order term.
darkhistory.utilities.log_1_plus_x
darkhistory.utilities.spence_series_diff