Implementation of dorm2r and dlarf1f #718

Job	Run time
coverage	7m 27s
memory-check	10m 19s
test-install-cblas-lapacke-without-fortran-compiler	5m 2s
test-install-release (macos-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-un...	46m 18s
test-install-release (macos-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-un...	22m 35s
test-install-release (ubuntu-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-u...	9m 6s
test-install-release (ubuntu-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-u...	10m 16s
test-install-release (windows-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-...	13m 52s
test-install-release (windows-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-...	13m 56s
	2h 18m 51s

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