def test_calc_ftest():
"""
this test was created using sherpa 4.8.1 (2507414) as an oracle for the python 3 migration
"""
assert_almost_equal(0.475500468, _utils.calc_ftest(10, 1.0, 20, 2.0))
def test_calc_ftest_dof1_equal_dof2():
with pytest.raises(TypeError) as excinfo:
_utils.calc_ftest(11, 16.3, 11, 10.0)
assert 'dof_1[0] cannot be equal to dof_2[0]:' in str(excinfo.value)
def test_calc_ftest2():
assert_array_almost_equal(
2 * [0.03452352914891555],
_utils.calc_ftest(2 * [11], 2 * [16.3], 2 * [10], 2 * [10.2]))
def test_calc_ftest_chi2_equal_0():
with pytest.raises(TypeError) as excinfo:
_utils.calc_ftest(11, 16.3, 10, 0.0)
assert 'chisq_2[0] cannot be equal to 0:' in str(excinfo.value)
def test_calc_ftest():
"""
this test was created using sherpa 4.8.1 (2507414) as an oracle for the python 3 migration
"""
assert_almost_equal(0.03452352914891555,
_utils.calc_ftest(11, 16.3, 10, 10.2))
