2019-11-24 10:59:00 +05:30
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import pytest
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2019-11-22 01:31:01 +05:30
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import numpy as np
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2019-11-24 10:59:00 +05:30
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2019-11-22 01:31:01 +05:30
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from damask import Rotation
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2019-11-24 10:59:00 +05:30
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n = 1000
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@pytest.fixture
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def default():
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"""A set of n random rotations."""
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return [Rotation.fromRandom() for r in range(n)]
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2019-11-22 01:31:01 +05:30
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class TestRotation:
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2019-11-24 10:59:00 +05:30
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def test_Eulers(self,default):
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for rot in default:
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2019-11-22 02:18:54 +05:30
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assert np.allclose(rot.asQuaternion(),
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Rotation.fromEulers(rot.asEulers()).asQuaternion())
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2019-11-22 01:31:01 +05:30
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2019-11-24 10:59:00 +05:30
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def test_AxisAngle(self,default):
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for rot in default:
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2019-11-22 02:18:54 +05:30
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assert np.allclose(rot.asEulers(),
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Rotation.fromAxisAngle(rot.asAxisAngle()).asEulers())
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2019-11-22 01:31:01 +05:30
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2019-11-24 10:59:00 +05:30
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def test_Matrix(self,default):
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for rot in default:
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2019-11-22 02:18:54 +05:30
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assert np.allclose(rot.asAxisAngle(),
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Rotation.fromMatrix(rot.asMatrix()).asAxisAngle())
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2019-11-22 01:31:01 +05:30
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2019-11-24 10:59:00 +05:30
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def test_Rodriques(self,default):
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for rot in default:
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2019-11-22 02:18:54 +05:30
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assert np.allclose(rot.asMatrix(),
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Rotation.fromRodrigues(rot.asRodrigues()).asMatrix())
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2019-11-22 01:31:01 +05:30
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2019-11-24 10:59:00 +05:30
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def test_Homochoric(self,default):
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for rot in default:
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2019-11-22 02:18:54 +05:30
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assert np.allclose(rot.asRodrigues(),
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Rotation.fromHomochoric(rot.asHomochoric()).asRodrigues())
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2019-11-22 01:31:01 +05:30
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2019-11-24 10:59:00 +05:30
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def test_Cubochoric(self,default):
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for rot in default:
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2019-11-22 02:18:54 +05:30
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assert np.allclose(rot.asHomochoric(),
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Rotation.fromCubochoric(rot.asCubochoric()).asHomochoric())
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2019-11-22 01:31:01 +05:30
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2019-11-24 10:59:00 +05:30
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def test_Quaternion(self,default):
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for rot in default:
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2019-11-22 02:18:54 +05:30
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assert np.allclose(rot.asCubochoric(),
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Rotation.fromQuaternion(rot.asQuaternion()).asCubochoric())
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