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Method test_axis_argument

numpy/_core/tests/test_ufunc.py:1236–1277  ·  view source on GitHub ↗
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1234 assert_raises(TypeError, mm, z, z, axes=[0, 1], parrot=True)
1235
1236 def test_axis_argument(self):
1237 # vecdot signature: '(n),(n)->()'
1238 a = np.arange(27.).reshape((3, 3, 3))
1239 b = np.arange(10., 19.).reshape((3, 1, 3))
1240 c = np.vecdot(a, b)
1241 assert_array_equal(c, (a * b).sum(-1))
1242 c = np.vecdot(a, b, axis=-1)
1243 assert_array_equal(c, (a * b).sum(-1))
1244 out = np.zeros_like(c)
1245 d = np.vecdot(a, b, axis=-1, out=out)
1246 assert_(d is out)
1247 assert_array_equal(d, c)
1248 c = np.vecdot(a, b, axis=0)
1249 assert_array_equal(c, (a * b).sum(0))
1250 # Sanity checks on innerwt and cumsum.
1251 a = np.arange(6).reshape((2, 3))
1252 b = np.arange(10, 16).reshape((2, 3))
1253 w = np.arange(20, 26).reshape((2, 3))
1254 assert_array_equal(umt.innerwt(a, b, w, axis=0),
1255 np.sum(a * b * w, axis=0))
1256 assert_array_equal(umt.cumsum(a, axis=0), np.cumsum(a, axis=0))
1257 assert_array_equal(umt.cumsum(a, axis=-1), np.cumsum(a, axis=-1))
1258 out = np.empty_like(a)
1259 b = umt.cumsum(a, out=out, axis=0)
1260 assert_(out is b)
1261 assert_array_equal(b, np.cumsum(a, axis=0))
1262 b = umt.cumsum(a, out=out, axis=1)
1263 assert_(out is b)
1264 assert_array_equal(b, np.cumsum(a, axis=-1))
1265 # Check errors.
1266 # Cannot pass in both axis and axes.
1267 assert_raises(TypeError, np.vecdot, a, b, axis=0, axes=[0, 0])
1268 # Not an integer.
1269 assert_raises(TypeError, np.vecdot, a, b, axis=[0])
1270 # more than 1 core dimensions.
1271 mm = umt.matrix_multiply
1272 assert_raises(TypeError, mm, a, b, axis=1)
1273 # Output wrong size in axis.
1274 out = np.empty((1, 2, 3), dtype=a.dtype)
1275 assert_raises(ValueError, umt.cumsum, a, out=out, axis=0)
1276 # Regular ufuncs should not accept axis.
1277 assert_raises(TypeError, np.add, 1., 1., axis=0)
1278
1279 def test_keepdims_argument(self):
1280 # vecdot signature: '(n),(n)->()'

Callers

nothing calls this directly

Calls 7

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

Tested by

no test coverage detected