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Fix compilation issue on Linux with Clang #169

Job	Run time
Linux / GCC (Debug, Single Precision)	1m 9s
Linux / GCC (Release, Single Precision)	1m 3s
Linux / GCC (Debug, Double Precision)	50s
Linux / GCC (Release, Double Precision)	1m 26s
Linux / Clang (Debug, Single Precision)	58s
Linux / Clang (Release, Single Precision)	1m 14s
Linux / Clang (Debug, Double Precision)	1m 1s
Linux / Clang (Release, Double Precision)	1m 11s
Windows / MSVC (Debug, Single Precision)	2m 20s
Windows / MSVC (Release, Single Precision)	2m 50s
MacOS / Clang (Debug, Single Precision)	58s
MacOS / Clang (Release, Single Precision)	1m 22s
Code Coverage	1m 15s
	17m 37s

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