Fix strict aliasing violation

[mborland]

Closes: #284

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.57%. Comparing base (5202575) to head (53b419f).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #285   +/-   ##
========================================
  Coverage    99.57%   99.57%           
========================================
  Files           54       54           
  Lines         4921     4929    +8     
  Branches      1429     1429           
========================================
+ Hits          4900     4908    +8     
  Misses          21       21           

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