Beispiel #1
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 def test_toarray_dictdtype():
     t = [('foo', 'bar', 'baz'), ('apples', 1, 2.5), ('oranges', 3, 4.4),
          ('pears', 7, .1)]
     a = toarray(t, dtype={'foo': 'U4'})  # specify partial dtype
     assert isinstance(a, np.ndarray)
     assert isinstance(a['foo'], np.ndarray)
     assert isinstance(a['bar'], np.ndarray)
     assert isinstance(a['baz'], np.ndarray)
     eq_('appl', a['foo'][0])
     eq_('oran', a['foo'][1])
     eq_('pear', a['foo'][2])
     eq_(1, a['bar'][0])
     eq_(3, a['bar'][1])
     eq_(7, a['bar'][2])
     assert_almost_equal(2.5, a['baz'][0])
     assert_almost_equal(4.4, a['baz'][1])
     assert_almost_equal(.1, a['baz'][2])
Beispiel #2
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 def test_toarray_stringdtype():
     t = [('foo', 'bar', 'baz'), ('apples', 1, 2.5), ('oranges', 3, 4.4),
          ('pears', 7, .1)]
     a = toarray(t, dtype='U4, i2, f4')
     assert isinstance(a, np.ndarray)
     assert isinstance(a['foo'], np.ndarray)
     assert isinstance(a['bar'], np.ndarray)
     assert isinstance(a['baz'], np.ndarray)
     eq_('appl', a['foo'][0])
     eq_('oran', a['foo'][1])
     eq_('pear', a['foo'][2])
     eq_(1, a['bar'][0])
     eq_(3, a['bar'][1])
     eq_(7, a['bar'][2])
     assert_almost_equal(2.5, a['baz'][0], places=6)
     assert_almost_equal(4.4, a['baz'][1], places=6)
     assert_almost_equal(.1, a['baz'][2], places=6)
Beispiel #3
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 def test_toarray_lists():
     t = [['foo', 'bar', 'baz'], ['apples', 1, 2.5], ['oranges', 3, 4.4],
          ['pears', 7, .1]]
     a = toarray(t)
     assert isinstance(a, np.ndarray)
     assert isinstance(a['foo'], np.ndarray)
     assert isinstance(a['bar'], np.ndarray)
     assert isinstance(a['baz'], np.ndarray)
     eq_('apples', a['foo'][0])
     eq_('oranges', a['foo'][1])
     eq_('pears', a['foo'][2])
     eq_(1, a['bar'][0])
     eq_(3, a['bar'][1])
     eq_(7, a['bar'][2])
     assert_almost_equal(2.5, a['baz'][0], places=6)
     assert_almost_equal(4.4, a['baz'][1], places=6)
     assert_almost_equal(.1, a['baz'][2], places=6)
Beispiel #4
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 def test_toarray_nodtype():
     t = [('foo', 'bar', 'baz'), ('apples', 1, 2.5), ('oranges', 3, 4.4),
          ('pears', 7, .1)]
     a = toarray(t)
     assert isinstance(a, np.ndarray)
     assert isinstance(a['foo'], np.ndarray)
     assert isinstance(a['bar'], np.ndarray)
     assert isinstance(a['baz'], np.ndarray)
     eq_('apples', a['foo'][0])
     eq_('oranges', a['foo'][1])
     eq_('pears', a['foo'][2])
     eq_(1, a['bar'][0])
     eq_(3, a['bar'][1])
     eq_(7, a['bar'][2])
     assert_almost_equal(2.5, a['baz'][0])
     assert_almost_equal(4.4, a['baz'][1])
     assert_almost_equal(.1, a['baz'][2])
Beispiel #5
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 def test_toarray_explicitdtype():
     t = [('foo', 'bar', 'baz'), ('apples', 1, 2.5), ('oranges', 3, 4.4),
          ('pears', 7, .1)]
     a = toarray(t, dtype=[('A', 'U4'), ('B', 'i2'), ('C', 'f4')])
     assert isinstance(a, np.ndarray)
     assert isinstance(a['A'], np.ndarray)
     assert isinstance(a['B'], np.ndarray)
     assert isinstance(a['C'], np.ndarray)
     eq_('appl', a['A'][0])
     eq_('oran', a['A'][1])
     eq_('pear', a['A'][2])
     eq_(1, a['B'][0])
     eq_(3, a['B'][1])
     eq_(7, a['B'][2])
     assert_almost_equal(2.5, a['C'][0], places=6)
     assert_almost_equal(4.4, a['C'][1], places=6)
     assert_almost_equal(.1, a['C'][2], places=6)
Beispiel #6
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 def test_fromarray():
     t = [('foo', 'bar', 'baz'), ('apples', 1, 2.5), ('oranges', 3, 4.4),
          ('pears', 7, .1)]
     a = toarray(t)
     u = fromarray(a)
     ieq(t, u)