Reduce macro usage

[wheeheee]

also use more tanpi

[codecov]

Codecov Report

Attention: Patch coverage is 94.20290% with 4 lines in your changes missing coverage. Please review.

Project coverage is 97.94%. Comparing base (8607be8) to head (3197b98).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/Filters/filt_order.jl	92.45%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #609      +/-   ##
==========================================
- Coverage   97.96%   97.94%   -0.03%     
==========================================
  Files          19       19              
  Lines        3248     3255       +7     
==========================================
+ Hits         3182     3188       +6     
- Misses         66       67       +1     

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[martinholters]

Any special reason those @inlines?

[wheeheee]

They're only called by those few functions, and they are specialized on the estimation functions too, so might as well avoid one function call.

[martinholters]

Ah, yes, makes sense.