Merge branch 'incidence-compute-values' into incidence-amplrepn #619

Job	Run time
linux/3.8/bare-env	9s
linux/3.12	20m 25s
lint/style-and-typos	51s
osx/3.10	27m 46s
win/3.9	27m 40s
linux/3.11/conda	18m 45s
linux/3.9/mpi	8m 20s
linux/3.10/cython	18m 28s
win/3.8/pip	26m 16s
process-coverage-${{ matrix.TARGET }}	1s
	2h 28m 41s

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