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30 lines
795 B
Python
30 lines
795 B
Python
import pytest
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from pg_rad.physics import get_mass_attenuation_coeff
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@pytest.mark.parametrize("energy,mu", [
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(1.00000E-03, 3.606E+03),
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(1.00000E-02, 5.120E+00),
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(1.00000E-01, 1.541E-01),
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(1.00000E+00, 6.358E-02),
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(1.00000E+01, 2.045E-02)
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])
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def test_exact_attenuation_retrieval(energy, mu):
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"""
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Test if retrieval of values that are exactly in the table is correct.
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"""
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func_mu = get_mass_attenuation_coeff(energy)
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assert pytest.approx(func_mu, rel=1E-6) == mu
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@pytest.mark.parametrize("energy,mu", [
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(0.662, 0.0778)
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])
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def test_attenuation_interpolation(energy, mu):
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"""
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Test retreival for Cs-137 mass attenuation coefficient.
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"""
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interp_mu = get_mass_attenuation_coeff(energy)
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assert pytest.approx(interp_mu, rel=1E-2) == mu
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