[Bug] Repeated PSR

[chMoussa]

Solves #29 and #30

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 96.64804% with 6 lines in your changes missing coverage. Please review.

Project coverage is 91.80%. Comparing base (52adc73) to head (ad8431f).

Files with missing lines	Patch %	Lines
horqrux/primitives/parametric.py	85.71%	3 Missing ⚠️
horqrux/differentiation/gpsr.py	97.14%	2 Missing ⚠️
tests/test_noise.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #46      +/-   ##
==========================================
+ Coverage   91.41%   91.80%   +0.38%     
==========================================
  Files          27       27              
  Lines        1328     1427      +99     
==========================================
+ Hits         1214     1310      +96     
- Misses        114      117       +3     

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