math refactor and pargen updates

[gipert]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 44.01232% with 1454 lines in your changes are missing coverage. Please review.

Project coverage is 50.05%. Comparing base (e7b7b36) to head (7950c34).

Files	Patch %	Lines
src/pygama/pargen/data_cleaning.py	26.07%	360 Missing ⚠️
src/pygama/pargen/dsp_optimize.py	0.00%	299 Missing ⚠️
src/pygama/pargen/energy_optimisation.py	4.19%	160 Missing ⚠️
src/pygama/pargen/extract_tau.py	0.00%	102 Missing ⚠️
src/pygama/pargen/dplms_ge_dict.py	0.00%	56 Missing ⚠️
src/pygama/math/histogram.py	65.16%	54 Missing ⚠️
src/pygama/math/hpge_peak_fitting.py	65.32%	43 Missing ⚠️
src/pygama/math/functions/exgauss.py	54.65%	39 Missing ⚠️
src/pygama/math/functions/sum_dists.py	83.81%	39 Missing ⚠️
src/pygama/pargen/lq_cal.py	25.00%	39 Missing ⚠️
... and 19 more

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #545       +/-   ##
===========================================
+ Coverage   21.34%   50.05%   +28.71%     
===========================================
  Files          42       63       +21     
  Lines        7907     7581      -326     
===========================================
+ Hits         1688     3795     +2107     
+ Misses       6219     3786     -2433     

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[jasondet]

Sam fixed the errors -- I'm going to merge!