lattice/pyerrors
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Merge branch 'develop' into documentation

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fjosw 2021-12-21 19:43:27 +00:00
commit 466f3a09af
2 changed files with 14 additions and 3 deletions
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12
pyerrors/input/hadrons.py
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@ -298,6 +298,18 @@ def read_Fourquark_hd5(path, filestem, ens_id, idl=None, vertices=["VA", "AV"]):
return result_dict 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): def _get_lorentz_names(name):
assert len(name) == 2 assert len(name) == 2

5
tests/fits_test.py
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@ -93,10 +93,9 @@ def test_correlated_fit():
r = np.zeros((N, N)) r = np.zeros((N, N))
for i in range(N): for i in range(N):
for j in range(N): for j in range(N):
r[i, j] = np.exp(-0.1 * np.fabs(i - j)) r[i, j] = np.exp(-0.8 * np.fabs(i - j))
errl = np.sqrt([3.4, 2.5, 3.6, 2.8, 4.2, 4.7, 4.9, 5.1, 3.2, 4.2]) errl = np.sqrt([3.4, 2.5, 3.6, 2.8, 4.2, 4.7, 4.9, 5.1, 3.2, 4.2])
errl *= 4
for i in range(N): for i in range(N):
for j in range(N): for j in range(N):
r[i, j] *= errl[i] * errl[j] r[i, j] *= errl[i] * errl[j]
@ -127,7 +126,7 @@ def test_correlated_fit():
for i in range(2): for i in range(2):
diff = fitp[i] - fitpc[i] diff = fitp[i] - fitpc[i]
diff.gamma_method() diff.gamma_method()
assert(diff.is_zero_within_error(sigma=1.5)) assert(diff.is_zero_within_error(sigma=5))
def test_total_least_squares(): def test_total_least_squares():