fix muladd with complex

[baggepinnen]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.46%. Comparing base (9c72647) to head (7beeb3a).
Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #170      +/-   ##
==========================================
+ Coverage   89.45%   89.46%   +0.01%     
==========================================
  Files          20       20              
  Lines        1166     1168       +2     
==========================================
+ Hits         1043     1045       +2     
  Misses        123      123              

Flag	Coverage Δ
unittests	89.46% <100.00%> (+0.01%)	⬆️

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