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test_matlib.py
import numpy as np import numpy.matlib from numpy.testing import assert_array_equal, assert_ def test_empty(): x = numpy.matlib.empty((2,)) assert_(isinstance(x, np.matrix)) assert_(x.shape, (1, 2)) def test_ones(): assert_array_equal(numpy.matlib.ones((2, 3)), np.matrix([[ 1., 1., 1.], [ 1., 1., 1.]])) assert_array_equal(numpy.matlib.ones(2), np.matrix([[ 1., 1.]])) def test_zeros(): assert_array_equal(numpy.matlib.zeros((2, 3)), np.matrix([[ 0., 0., 0.], [ 0., 0., 0.]])) assert_array_equal(numpy.matlib.zeros(2), np.matrix([[ 0., 0.]])) def test_identity(): x = numpy.matlib.identity(2, dtype=int) assert_array_equal(x, np.matrix([[1, 0], [0, 1]])) def test_eye(): xc = numpy.matlib.eye(3, k=1, dtype=int) assert_array_equal(xc, np.matrix([[ 0, 1, 0], [ 0, 0, 1], [ 0, 0, 0]])) assert xc.flags.c_contiguous assert not xc.flags.f_contiguous xf = numpy.matlib.eye(3, 4, dtype=int, order='F') assert_array_equal(xf, np.matrix([[ 1, 0, 0, 0], [ 0, 1, 0, 0], [ 0, 0, 1, 0]])) assert not xf.flags.c_contiguous assert xf.flags.f_contiguous def test_rand(): x = numpy.matlib.rand(3) # check matrix type, array would have shape (3,) assert_(x.ndim == 2) def test_randn(): x = np.matlib.randn(3) # check matrix type, array would have shape (3,) assert_(x.ndim == 2) def test_repmat(): a1 = np.arange(4) x = numpy.matlib.repmat(a1, 2, 2) y = np.array([[0, 1, 2, 3, 0, 1, 2, 3], [0, 1, 2, 3, 0, 1, 2, 3]]) assert_array_equal(x, y)
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