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cast epsilon tensors to int

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This commit is contained in:
Justus Kuhlmann 2025-11-04 08:28:09 +00:00
commit dd6a2dc6a4
1 changed files with 4 additions and 4 deletions
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8
pyerrors/dirac.py
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@ -24,7 +24,7 @@ identity = np.array(
dtype=complex) dtype=complex)
def epsilon_tensor(i: int, j: int, k: int) -> float: def epsilon_tensor(i: int, j: int, k: int) -> int:
"""Rank-3 epsilon tensor """Rank-3 epsilon tensor
Based on https://codegolf.stackexchange.com/a/160375 Based on https://codegolf.stackexchange.com/a/160375
@ -38,10 +38,10 @@ def epsilon_tensor(i: int, j: int, k: int) -> float:
if not (test_set <= set((1, 2, 3)) or test_set <= set((0, 1, 2))): if not (test_set <= set((1, 2, 3)) or test_set <= set((0, 1, 2))):
raise ValueError("Unexpected input", i, j, k) raise ValueError("Unexpected input", i, j, k)
return (i - j) * (j - k) * (k - i) / 2 return int((i - j) * (j - k) * (k - i) / 2)
def epsilon_tensor_rank4(i: int, j: int, k: int, o: int) -> float: def epsilon_tensor_rank4(i: int, j: int, k: int, o: int) -> int:
"""Rank-4 epsilon tensor """Rank-4 epsilon tensor
Extension of https://codegolf.stackexchange.com/a/160375 Extension of https://codegolf.stackexchange.com/a/160375
@ -56,7 +56,7 @@ def epsilon_tensor_rank4(i: int, j: int, k: int, o: int) -> float:
if not (test_set <= set((1, 2, 3, 4)) or test_set <= set((0, 1, 2, 3))): if not (test_set <= set((1, 2, 3, 4)) or test_set <= set((0, 1, 2, 3))):
raise ValueError("Unexpected input", i, j, k, o) raise ValueError("Unexpected input", i, j, k, o)
return (i - j) * (j - k) * (k - i) * (i - o) * (j - o) * (o - k) / 12 return int((i - j) * (j - k) * (k - i) * (i - o) * (j - o) * (o - k) / 12)
def Grid_gamma(gamma_tag: str) -> ndarray: def Grid_gamma(gamma_tag: str) -> ndarray: