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test: test for r_value propagation in fits added

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Fabian Joswig 2021-12-04 13:05:18 +00:00
parent 28f1372cfd
commit 6028274342
1 changed files with 41 additions and 3 deletions
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38
tests/fits_test.py
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@ -208,3 +208,41 @@ def test_odr_derivatives():
tfit = pe.fits.fit_general(x, y, func, base_step=0.1, step_ratio=1.1, num_steps=20)
assert np.abs(np.max(np.array(list(fit1[1].deltas.values()))
- np.array(list(tfit[1].deltas.values())))) < 10e-8
def test_r_value_persistence():
def f(a, x):
return a[0] + a[1] * x
a = pe.pseudo_Obs(1.1, .1, 'a')
assert np.isclose(a.value, a.r_values['a'])
a_2 = a ** 2
assert np.isclose(a_2.value, a_2.r_values['a'])
b = pe.pseudo_Obs(2.1, .2, 'b')
y = [a, b]
[o.gamma_method() for o in y]
fitp = pe.fits.least_squares([1, 2], y, f)
assert np.isclose(fitp[0].value, fitp[0].r_values['a'])
assert np.isclose(fitp[0].value, fitp[0].r_values['b'])
assert np.isclose(fitp[1].value, fitp[1].r_values['a'])
assert np.isclose(fitp[1].value, fitp[1].r_values['b'])
fitp = pe.fits.total_least_squares(y, y, f)
assert np.isclose(fitp[0].value, fitp[0].r_values['a'])
assert np.isclose(fitp[0].value, fitp[0].r_values['b'])
assert np.isclose(fitp[1].value, fitp[1].r_values['a'])
assert np.isclose(fitp[1].value, fitp[1].r_values['b'])
fitp = pe.fits.least_squares([1, 2], y, f, priors=y)
assert np.isclose(fitp[0].value, fitp[0].r_values['a'])
assert np.isclose(fitp[0].value, fitp[0].r_values['b'])
assert np.isclose(fitp[1].value, fitp[1].r_values['a'])
assert np.isclose(fitp[1].value, fitp[1].r_values['b'])