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fix: Corr.fit now explicitly checks that the provided fit range is a two

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element list.
This commit is contained in:
Fabian Joswig 2022-02-23 16:23:42 +00:00
parent ab8e3ce549
commit 6bfeff4f27
2 changed files with 11 additions and 1 deletions
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7
pyerrors/correlators.py
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@ -628,7 +628,7 @@ class Corr:
function : obj
function to fit to the data. See fits.least_squares for details.
fitrange : list
Range in which the function is to be fitted to the data.
Two element list containing the timeslices on which the fit is supposed to start and stop.
If not specified, self.prange or all timeslices are used.
silent : bool
Decides whether output is printed to the standard output.
@ -641,6 +641,11 @@ class Corr:
fitrange = self.prange
else:
fitrange = [0, self.T - 1]
else:
if not isinstance(fitrange, list):
raise Exception("fitrange has to be a list with two elements")
if len(fitrange) != 2:
raise Exception("fitrange has to have exactly two elements [fit_start, fit_stop]")
xs = [x for x in range(fitrange[0], fitrange[1] + 1) if not self.content[x] is None]
ys = [self.content[x][0] for x in range(fitrange[0], fitrange[1] + 1) if not self.content[x] is None]

5
tests/correlators_test.py
View file

@ -135,6 +135,11 @@ def test_fit_correlator():
assert fit_res[0] == my_corr[0]
assert fit_res[1] == my_corr[1] - my_corr[0]
with pytest.raises(Exception):
my_corr.fit(f, "from 0 to 3")
with pytest.raises(Exception):
my_corr.fit(f, [0, 2, 3])
def test_plateau():
my_corr = pe.correlators.Corr([pe.pseudo_Obs(1.01324, 0.05, 't'), pe.pseudo_Obs(1.042345, 0.008, 't')])