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Method test_axis_argument

numpy/core/tests/test_ufunc.py:1042–1084  ·  view source on GitHub ↗
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1040 assert_raises(TypeError, mm, z, z, axes=[0, 1], parrot=True)
1041
1042 def test_axis_argument(self):
1043 # inner1d signature: '(i),(i)->()'
1044 inner1d = umt.inner1d
1045 a = np.arange(27.).reshape((3, 3, 3))
1046 b = np.arange(10., 19.).reshape((3, 1, 3))
1047 c = inner1d(a, b)
1048 assert_array_equal(c, (a * b).sum(-1))
1049 c = inner1d(a, b, axis=-1)
1050 assert_array_equal(c, (a * b).sum(-1))
1051 out = np.zeros_like(c)
1052 d = inner1d(a, b, axis=-1, out=out)
1053 assert_(d is out)
1054 assert_array_equal(d, c)
1055 c = inner1d(a, b, axis=0)
1056 assert_array_equal(c, (a * b).sum(0))
1057 # Sanity checks on innerwt and cumsum.
1058 a = np.arange(6).reshape((2, 3))
1059 b = np.arange(10, 16).reshape((2, 3))
1060 w = np.arange(20, 26).reshape((2, 3))
1061 assert_array_equal(umt.innerwt(a, b, w, axis=0),
1062 np.sum(a * b * w, axis=0))
1063 assert_array_equal(umt.cumsum(a, axis=0), np.cumsum(a, axis=0))
1064 assert_array_equal(umt.cumsum(a, axis=-1), np.cumsum(a, axis=-1))
1065 out = np.empty_like(a)
1066 b = umt.cumsum(a, out=out, axis=0)
1067 assert_(out is b)
1068 assert_array_equal(b, np.cumsum(a, axis=0))
1069 b = umt.cumsum(a, out=out, axis=1)
1070 assert_(out is b)
1071 assert_array_equal(b, np.cumsum(a, axis=-1))
1072 # Check errors.
1073 # Cannot pass in both axis and axes.
1074 assert_raises(TypeError, inner1d, a, b, axis=0, axes=[0, 0])
1075 # Not an integer.
1076 assert_raises(TypeError, inner1d, a, b, axis=[0])
1077 # more than 1 core dimensions.
1078 mm = umt.matrix_multiply
1079 assert_raises(TypeError, mm, a, b, axis=1)
1080 # Output wrong size in axis.
1081 out = np.empty((1, 2, 3), dtype=a.dtype)
1082 assert_raises(ValueError, umt.cumsum, a, out=out, axis=0)
1083 # Regular ufuncs should not accept axis.
1084 assert_raises(TypeError, np.add, 1., 1., axis=0)
1085
1086 def test_keepdims_argument(self):
1087 # inner1d signature: '(i),(i)->()'

Callers

nothing calls this directly

Calls 6

assert_array_equalFunction · 0.90
assert_Function · 0.90
assert_raisesFunction · 0.90
reshapeMethod · 0.80
cumsumMethod · 0.80
sumMethod · 0.45

Tested by

no test coverage detected