8000 Added an 'elementary' function. by mttpgn · Pull Request #4573 · numpy/numpy · GitHub
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Added an 'elementary' function. #4573

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Added an 'elementary' function. #4573

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f9cb6cb
Added an 'elementary' function.
Mar 31, 2014
159b9ae
Update twodim_base.py
mttpgn Apr 1, 2014
0e10a44
Tightened up code per github suggestions.
Apr 9, 2014
e4e3ca1
Merge branch 'master' of https://github.com/mttp/numpy
Apr 9, 2014
c3f45d3
Stopped using np.matrix, brought back the swap variable.
Apr 10, 2014
9dba261
Added tests for the elementary function.
Apr 14, 2014
1da28fd
Added 'elementary' to __all__
Apr 14, 2014
4de601b
Tests for 'elementary' should inherit TestCase.
Apr 14, 2014
08965f5
Eliminated the swap variable correctly.
Apr 14, 2014
480c51b
Tests need to call np.elementary rather than elementary.
Apr 14, 2014
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Added tests for the elementary function.
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Matt Pagan committed Apr 14, 2014
commit 9dba2618220d00aa22da9322f202c7e15e8c6bae
24 changes: 24 additions & 0 deletions numpy/lib/tests/test_twodim_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -465,6 +465,30 @@ def test_dtypes(self):
# assert_array_almost_equal).
yield (assert_array_equal, v, expected)

class TestElementary(object):
def test_switch_rows(self):
G = elementary(4, 0, 3)
assert_array_equal(G, np.array([[0., 0., 0., 1.],
[0., 1., 0., 0.],
[0., 0., 1., 0.],
[1., 0., 0., 0.]]))


def test_add_row_multiple(self):
H = elementary(5, 1, 3, 7, 'i')
assert_array_equal(H, np.array([[1, 0, 0, 0, 0],
[0, 1, 0, 0, 0],
[0, 0, 1, 0, 0],
[0, 7, 0, 1, 0],
[0, 0, 0, 0, 1]]))


def test_multiply_row(self):
I = elementary(3, 0, multiplier=6, dtype=int)
assert_array_equal(I, np.array([[6, 0, 0],
[0, 1, 0],
[0, 0, 1]]))


if __name__ == "__main__":
run_module_suite()
0