Demographic model recombination rate

[gregorgorjanc]

Here is implementation for #1225.

I get almost all tests passing on my end:

• had to change np.NINF to -np.inf (new numpy)
• TestRegisterQCDFE.test_register_qc seems to have deep recursion, but that is not due to my changes (I think)

============================================================================== FAILURES ==============================================================================
_________________________________________________________________ TestRegisterQCDFE.test_register_qc _________________________________________________________________
[gw2] darwin -- Python 3.12.7 /opt/homebrew/Caskroom/miniconda/base/envs/popsim/bin/python

self = <tests.test_dfes.TestRegisterQCDFE object at 0x1094932f0>

    def test_register_qc(self):
        dfe = self.make_dfe("test")
        dfe.register_qc(dfe)
>       assert dfe.qc_dfe == dfe

tests/test_dfes.py:720:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
<attrs generated eq stdpopsim.dfe.DFE>:11: in __eq__
    self.qc_dfe == other.qc_dfe
<attrs generated eq stdpopsim.dfe.DFE>:11: in __eq__
    self.qc_dfe == other.qc_dfe
E   RecursionError: maximum recursion depth exceeded
!!! Recursion detected (same locals & position)
====================================================================== short test summary info =======================================================================
FAILED tests/test_dfes.py::TestRegisterQCDFE::test_register_qc - RecursionError: maximum recursion depth exceeded
==================================================================== 1 failed, 56 passed in 1.02s ====================================================================

[codecov]

Codecov Report

Attention: Patch coverage is 92.30769% with 3 lines in your changes missing coverage. Please review.

Project coverage is 99.74%. Comparing base (0d91be4) to head (7687ed7).

Files with missing lines	Patch %	Lines
stdpopsim/cli.py	66.66%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1591      +/-   ##
==========================================
- Coverage   99.81%   99.74%   -0.07%     
==========================================
  Files         130      130              
  Lines        4354     4376      +22     
  Branches      597      603       +6     
==========================================
+ Hits         4346     4365      +19     
- Misses          3        5       +2     
- Partials        5        6       +1     

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