Merge branch 'work' into tests #402

Job	Run time
unix (macos-latest, x86_64-apple-darwin, clang, clang, $LIBRARY_PATH, clang++, build_lib.sh, buil...	27m 37s
unix (ubuntu-latest, armv7-unknown-linux-musleabihf, arm-linux-gnueabihf-gcc-5, gcc-5-arm-linux-g...	13m 12s
unix (ubuntu-latest, x86_64-unknown-linux-musl, gcc, gcc, $LIBRARY_PATH, g++, build_lib.sh, build...	12m 59s
unix (ubuntu-20.04, gcc, gcc, g++-3.4, /usr/lib/x86_64-linux-gnu:$LIBRARY_PATH, build_lib.sh, bui...	13m 18s
unix (ubuntu-20.04, gcc, gcc, g++-4.4, $LIBRARY_PATH, build_lib.sh, build_tests.sh, run_tests.sh,...	13m 55s
windows (windows-2019, cl, ilink, cl, ~build_lib.bat, ~build_tests.bat, run_tests.bat, if exist "...	12m 38s
	1h 33m 39s

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