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FIX Change int32_t to be a uint64_t in hashing (#9642) #9643

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FIX Change int32_t to be a uint64_t in hashing (#9642) #9643

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2 changes: 1 addition & 1 deletion sklearn/feature_extraction/_hashing.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ def transform(raw_X, Py_ssize_t n_features, dtype, bint alternate_sign=1):
# Since Python array does not understand Numpy dtypes, we grow the indices
# and values arrays ourselves. Use a Py_ssize_t capacity for safety.
cdef Py_ssize_t capacity = 8192 # arbitrary
cdef np.int32_t size = 0
cdef np.uint64_t size = 0
cdef np.ndarray values = np.empty(capacity, dtype=dtype)

for x in raw_X:
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