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from iminuit import Minuit
import pytest
tab = pytest.importorskip("tabulate")
def framed(s):
return "\n" + str(s) + "\n"
def test_params():
m = Minuit(lambda x, y: x**2 + (y / 2) ** 2 + 1, x=0, y=0)
m.limits["y"] = (-1, 1)
m.fixed["x"] = True
m.migrad()
m.minos()
assert (
framed(tab.tabulate(*m.params.to_table()))
== """
pos name value error error- error+ limit- limit+ fixed
----- ------ ------- ------- -------- -------- -------- -------- -------
0 x 0 0.1 yes
1 y 0 1.5 -1.0 1.0 -1.0 1.0
"""
)
def test_matrix():
m = Minuit(lambda x, y: x**2 + (y / 2) ** 2 + 1, x=0, y=0)
m.migrad()
assert (
framed(tab.tabulate(*m.covariance.to_table()))
== """
x y
-- --- ---
x 1 0
y 0 4
"""
)
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