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Checking allowed values for a NumPy data type

schedule Aug 10, 2023
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To check the allowed values for a NumPy integer type use the iinfo(~) method. For float types use the finfo(~) method.

Examples

To check limits for the int8 data type:

np.iinfo(np.int8)
iinfo(min=-128, max=127, dtype=int8)

To check limits for the float32 data type:

np.finfo(np.float32)
finfo(resolution=1e-06, min=-3.4028235e+38, max=3.4028235e+38, dtype=float32)
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Published by Arthur Yanagisawa
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