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feat: backward derivative implemented, additional tests for deriv

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This commit is contained in:
Fabian Joswig 2022-01-31 12:10:38 +00:00
parent 8165479846
commit a729def937
2 changed files with 25 additions and 1 deletions
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14
tests/correlators_test.py
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@ -72,6 +72,20 @@ def test_modify_correlator():
func(corr, variant=variant)
def test_deriv():
corr_content = []
for t in range(24):
exponent = 1.2
corr_content.append(pe.pseudo_Obs(2 + t ** exponent, 0.2, 't'))
corr = pe.Corr(corr_content)
forward = corr.deriv(variant="forward")
backward = corr.deriv(variant="backward")
sym = corr.deriv(variant="symmetric")
assert np.all([o == 0 for o in (0.5 * (forward + backward) - sym)[1:-1]])
assert np.all([o == 0 for o in (corr.deriv('forward').deriv('backward') - corr.second_deriv())[1:-1]])
assert np.all([o == 0 for o in (corr.deriv('backward').deriv('forward') - corr.second_deriv())[1:-1]])
def test_m_eff():