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Skip over identity ops in "lightning.qubit" #268

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merged 10 commits into from
Mar 22, 2022
Merged

Skip over identity ops in "lightning.qubit" #268

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7813061
skip over identity ops
maliasadi Mar 22, 2022
77c8e5c
Auto update version
chaeyeunpark Mar 22, 2022
47c9a97
Update tests
maliasadi Mar 22, 2022
039f3ff
Merge branch 'device-ignore-identity' of github.com:PennyLaneAI/penny…
maliasadi Mar 22, 2022
e02410a
Update lightning_qubit.py
maliasadi Mar 22, 2022
61a37fa
Update apply_lightning
maliasadi Mar 22, 2022
f38b1d0
Merge branch 'master' into device-ignore-identity
maliasadi Mar 22, 2022
34da9ce
Auto update version
chaeyeunpark Mar 22, 2022
b33ca65
Update comments
maliasadi Mar 22, 2022
be6b795
Update #268
maliasadi Mar 22, 2022
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Update apply_lightning
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@maliasadi
maliasadi committed Mar 22, 2022
commit 61a37fa6081dd461fb80c8857b1069e40f8e2c91
8 changes: 6 additions & 2 deletions pennylane_lightning/lightning_qubit.py
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Original file line number Diff line number Diff line change
Expand Up @@ -203,9 +203,13 @@ def apply_lightning(self, state, operations, dtype=np.complex128):
else:
raise TypeError(f"Unsupported complex Type: {dtype}")

ops_iter = operations if isinstance(operations, Iterable) else [operations]
# Skip over identity operators instead or performing
# matrix multiplication with the identity.
skipped_ops = ["Identity"]
for o in operations:
if op in skipped_ops:

for o in ops_iter:
if o in skipped_ops:
continue
name = o.name.split(".")[0] # The split is because inverse gates have .inv appended
if _is_lightning_gate(name):
Expand Down