Add: cross-section normal gets more rigorous checks #2549

Job	Run time
build_and_tests (3.12, macos-latest)	1m 27s
build_and_tests (3.12, windows-latest)	3m 45s
build_and_tests (3.12, macos-15-intel)	3m 3s
build_and_tests (3.12, ubuntu-latest)	1m 16s
	9m 31s

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