src/main/python/tests/matrix/test_inv.py

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import unittest
import numpy as np
from systemds.context import SystemDSContext

np.random.seed(7)
m = np.random.random((10, 10))


class TestINV(unittest.TestCase):
    def setUp(self):
        self.sds = SystemDSContext(capture_stdout=True, logging_level=50)

    def tearDown(self):
        self.sds.close()

    def test_diag_basic(self):
        input_matrix = np.array([[2, 0], [0, 6]])
        sds_input = self.sds.from_numpy(input_matrix)
        sds_result = sds_input.inv().compute()
        np_result = np.linalg.inv(input_matrix)
        assert np.allclose(sds_result, np_result, 1e-9)

    def test_diag_random(self):
        sds_input = self.sds.from_numpy(m)
        sds_result = sds_input.inv().compute()
        np_result = np.linalg.inv(m)
        assert np.allclose(sds_result, np_result, 1e-9)


if __name__ == "__main__":
    unittest.main()