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aokj4ck/test-decimal-numpy-array.py

Created July 10, 2015 01:36
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Python: Decimal array with Numpy test
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test-decimal-numpy-array.py
import numpy
import decimal
items = [decimal.Decimal(x) for x in range(0, 20)]
array = numpy.array(items, dtype=decimal.Decimal)
array.mean()
# OS X, python 2.7.6:
# Traceback (most recent call last):
# File "<stdin>", line 1, in <module>
# File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/numpy/core/_methods.py", line 67, in _mean
# ret = ret.dtype.type(ret / rcount)
# AttributeError: 'Decimal' object has no attribute 'dtype'
#
# ------------
#
# Cent OS, python 2.6.6:
# Traceback (most recent call last):
# File "<stdin>", line 1, in <module>
# TypeError: Unsupported operand type(s) for /: 'Decimal' and 'float'
array.mean(dtype=decimal.Decimal)
# OS X, Python 2.7.6:
# Traceback (most recent call last):
# File "<stdin>", line 1, in <module>
# File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/numpy/core/_methods.py", line 67, in _mean
# ret = ret.dtype.type(ret / rcount)
# AttributeError: 'Decimal' object has no attribute 'dtype'
#
# ------------
#
# Cent OS error with python 2.6.6:
# Traceback (most recent call last):
# File "<stdin>", line 1, in <module>
# TypeError: Unsupported operand type(s) for /: 'Decimal' and 'float'
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