From e98fbc6b7b88b485b9c66ef3d7c69a3077758325 Mon Sep 17 00:00:00 2001 From: fjosw Date: Tue, 21 Dec 2021 19:44:09 +0000 Subject: [PATCH] Documentation updated --- docs/pyerrors/input/hadrons.html | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/docs/pyerrors/input/hadrons.html b/docs/pyerrors/input/hadrons.html index e9df8e62..3668a473 100644 --- a/docs/pyerrors/input/hadrons.html +++ b/docs/pyerrors/input/hadrons.html @@ -390,6 +390,18 @@ return result_dict +def _epsilon_tensor(i, j, k, o): + """Rank-4 epsilon tensor + + Extension of https://codegolf.stackexchange.com/a/160375 + """ + test_set = set((i, j, k, o)) + if not (test_set <= set((1, 2, 3, 4)) or test_set <= set((0, 1, 2, 3))): + raise Exception("Unexpected input", i, j, k, o) + + return (i - j) * (j - k) * (k - i) * (i - o) * (j - o) * (o - k) / 12 + + def _get_lorentz_names(name): assert len(name) == 2