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usm_ndarray.real and usm_ndarray.imag now set flags correctly #1355

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Merged
ndgrigorian merged 1 commit into from
Aug 20, 2023
Merged

usm_ndarray.real and usm_ndarray.imag now set flags correctly #1355

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10 changes: 5 additions & 5 deletions 10 dpctl/tensor/_usmarray.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -662,7 +662,7 @@ cdef class usm_ndarray:
"""
if self.nd_ < 2:
raise ValueError(
"array.mT requires array to have at least 2-dimensons."
"array.mT requires array to have at least 2 dimensions."
)
return _m_transpose(self)

Expand Down Expand Up @@ -1216,14 +1216,14 @@ cdef usm_ndarray _real_view(usm_ndarray ary):
offset_elems = ary.get_offset() * 2
r = usm_ndarray.__new__(
usm_ndarray,
_make_int_tuple(ary.nd_, ary.shape_),
_make_int_tuple(ary.nd_, ary.shape_) if ary.nd_ > 0 else tuple(),
dtype=_make_typestr(r_typenum_),
strides=tuple(2 * si for si in ary.strides),
buffer=ary.base_,
offset=offset_elems,
order=('C' if (ary.flags_ & USM_ARRAY_C_CONTIGUOUS) else 'F')
)
r.flags_ = ary.flags_
r.flags_ |= (ary.flags_ & USM_ARRAY_WRITABLE)
r.array_namespace_ = ary.array_namespace_
return r

Expand All @@ -1248,14 +1248,14 @@ cdef usm_ndarray _imag_view(usm_ndarray ary):
offset_elems = 2 * ary.get_offset() + 1
r = usm_ndarray.__new__(
usm_ndarray,
_make_int_tuple(ary.nd_, ary.shape_),
_make_int_tuple(ary.nd_, ary.shape_) if ary.nd_ > 0 else tuple(),
dtype=_make_typestr(r_typenum_),
strides=tuple(2 * si for si in ary.strides),
buffer=ary.base_,
offset=offset_elems,
order=('C' if (ary.flags_ & USM_ARRAY_C_CONTIGUOUS) else 'F')
)
r.flags_ = ary.flags_
r.flags_ |= (ary.flags_ & USM_ARRAY_WRITABLE)
r.array_namespace_ = ary.array_namespace_
return r

Expand Down
11 changes: 10 additions & 1 deletion 11 dpctl/tests/test_usm_ndarray_ctor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1438,17 +1438,26 @@ def test_real_imag_views():
n, m = 2, 3
try:
X = dpt.usm_ndarray((n, m), "c8")
X_scalar = dpt.usm_ndarray((), dtype="c8")
except dpctl.SyclDeviceCreationError:
pytest.skip("No SYCL devices available")
Xnp_r = np.arange(n * m, dtype="f4").reshape((n, m))
Xnp_i = np.arange(n * m, 2 * n * m, dtype="f4").reshape((n, m))
Xnp = Xnp_r + 1j * Xnp_i
X[:] = Xnp
assert np.array_equal(dpt.to_numpy(X.real), Xnp.real)
X_real = X.real
X_imag = X.imag
assert np.array_equal(dpt.to_numpy(X_real), Xnp.real)
assert np.array_equal(dpt.to_numpy(X.imag), Xnp.imag)
assert not X_real.flags["C"] and not X_real.flags["F"]
assert not X_imag.flags["C"] and not X_imag.flags["F"]
assert X_real.strides == X_imag.strides
assert np.array_equal(dpt.to_numpy(X[1:].real), Xnp[1:].real)
assert np.array_equal(dpt.to_numpy(X[1:].imag), Xnp[1:].imag)

X_scalar[...] = complex(n * m, 2 * n * m)
assert X_scalar.real and X_scalar.imag


@pytest.mark.parametrize(
"dtype",
Expand Down
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