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Copy pathtest_matrix.py
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83 lines (63 loc) · 2.1 KB
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import unittest
from BridgeMath.Linear.matrix import Matrix
class TestMatrix(unittest.TestCase):
def setUp(self) -> None:
self.a = Matrix(2, 2)
self.b = Matrix(2, 2)
for i in range(2):
for j in range(2):
self.a.set_value(i, j, 1)
self.b.set_value(i, j, 2)
self.c = Matrix(2, 2)
self.c.set_value(0, 0, -3)
self.c.set_value(1, 0, 5)
self.c.set_value(1, 1, 0.5)
self.d = Matrix(2, 2)
self.d.set_value(0, 0, -7)
self.d.set_value(0, 1, 2)
self.d.set_value(1, 0, 4)
self.d.set_value(1, 1, 6)
self.e = Matrix(2, 2)
self.e.set_value(0, 0, 1)
self.e.set_value(0, 1, 2)
self.e.set_value(1, 0, 3)
self.e.set_value(1, 1, 4)
def test_add(self):
expected = Matrix(2, 2)
for i in range(2):
for j in range(2):
expected.set_value(i, j, 3)
actual = self.a + self.b
self.assertEqual(expected, actual)
def test_scale(self):
expected = Matrix(2, 2)
for i in range(2):
for j in range(2):
expected.set_value(i, j, 3)
actual = self.a.scale(3)
self.assertEqual(expected, actual)
def test_subtract(self):
expected = Matrix(2, 2)
for i in range(2):
for j in range(2):
expected.set_value(i, j, -1)
actual = self.a - self.b
self.assertEqual(expected, actual)
def test_multiply(self):
expected = Matrix(2, 2)
expected.set_value(0, 0, 21)
expected.set_value(0, 1, -6)
expected.set_value(1, 0, -33)
expected.set_value(1, 1, 13)
actual = self.c * self.d
self.assertEqual(expected, actual)
def test_transposed(self):
expected = Matrix(2, 2)
expected.set_value(0, 0, 1)
expected.set_value(0, 1, 3)
expected.set_value(1, 0, 2)
expected.set_value(1, 1, 4)
actual = self.e.transposed()
self.assertEqual(expected, actual)
if __name__ == '__main__':
unittest.main()