Merge pull request #104 from Ovascos/fix-interval-printing #122

Job	Run time
ubuntu-latest\|Release\|CC=clang CXX=clang++	4m 4s
macos-latest\|Debug\|CC=clang CXX=clang++	1m 53s
macos-latest\|Debug\|CC=gcc CXX=g++	1m 51s
ubuntu-latest\|Debug\|CC=clang CXX=clang++	4m 50s
macos-latest\|Release\|CC=clang CXX=clang++	2m 16s
ubuntu-latest\|Release\|CC=gcc CXX=g++	4m 2s
macos-latest\|Release\|CC=gcc CXX=g++	2m 27s
ubuntu-latest\|Debug\|CC=gcc CXX=g++	3m 21s
	24m 44s

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