[submodule "external/pocketfft"]
	path = external/pocketfft
	# The upstream host (gitlab.mpcdf.mpg.de) is often unreachable from CI,
	# so use the original author's GitHub mirror of the same repository. The
	# pinned commit is the tip of its `cpp` branch and is byte-identical.
	url = https://github.com/mreineck/pocketfft.git
