2025-05-09 11:59:20 +00:00
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import gaspype as gp
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import numpy as np
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fs = gp.fluid_system('CO, CO2, H2, O2, H2O, N2')
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fl = gp.fluid({'H2O': 0.99, 'H2': 0.01}, fs) * np.ones([2, 3, 4])
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el = gp.elements(fl)
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def test_str_index():
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assert fl['CO2'].shape == (2, 3, 4)
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assert el['C'].shape == (2, 3, 4)
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2025-09-03 13:52:38 +00:00
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def test_single_axis_int_index():
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assert fl[0].shape == (3, 4)
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assert fl[1].shape == (3, 4)
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assert el[1].shape == (3, 4)
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assert el[0].shape == (3, 4)
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def test_single_axis_int_list():
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assert fl[:, [0, 1]].shape == (2, 2, 4)
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assert el[:, [0, 1]].shape == (2, 2, 4)
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def test_multi_axis_int_index():
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assert fl[0, 1].shape == (4,)
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assert fl[0, 1, 2].shape == tuple()
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assert fl[0, 2].shape == (4,)
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assert fl[:, 2, :].shape == (2, 4)
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assert fl[0, [1, 2]].shape == (2, 4)
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assert fl[..., 0].shape == (2, 3)
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assert el[0, 1].shape == (4,)
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assert el[0, 1, 2].shape == tuple()
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assert el[0, 2].shape == (4,)
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assert el[:, 2, :].shape == (2, 4)
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assert el[0, [1, 2]].shape == (2, 4)
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assert el[..., 0].shape == (2, 3)
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