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Map multiple names of the same object to the same wrapped object #716

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Map multiple names of the same object to the same wrapped object #716

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30 changes: 22 additions & 8 deletions autograd/numpy/numpy_wrapper.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,15 +25,29 @@ class IntdtypeSubclass(cls):
def wrap_namespace(old, new):
unchanged_types = {float, int, type(None), type}
int_types = {_np.int8, _np.int16, _np.int32, _np.int64, _np.integer}
obj_to_wrapped = []
for name, obj in old.items():
if obj in notrace_functions:
new[name] = notrace_primitive(obj)
elif callable(obj) and type(obj) is not type:
new[name] = primitive(obj)
elif type(obj) is type and obj in int_types:
new[name] = wrap_intdtype(obj)
elif type(obj) in unchanged_types:
new[name] = obj
# Map multiple names of the same object (e.g. conj/conjugate)
# to the same wrapped object
for mapped_obj, wrapped in obj_to_wrapped:
if mapped_obj is obj:
new[name] = wrapped
break
else:
if obj in notrace_functions:
wrapped = notrace_primitive(obj)
new[name] = wrapped
obj_to_wrapped.append((obj, wrapped))
elif callable(obj) and type(obj) is not type:
wrapped = primitive(obj)
new[name] = wrapped
obj_to_wrapped.append((obj, wrapped))
elif type(obj) is type and obj in int_types:
wrapped = wrap_intdtype(obj)
new[name] = wrapped
obj_to_wrapped.append((obj, wrapped))
elif type(obj) in unchanged_types:
new[name] = obj


wrap_namespace(_np.__dict__, globals())
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