numpy.iinfo

class numpy.iinfo(type)

Machine limits for integer types.

Parameters:

int_typeinteger type, dtype, or instance

The kind of integer data type to get information about.

Attributes:

bitsint

The number of bits occupied by the type.

dtypedtype

Returns the dtype for which iinfo returns information.

minint

Minimum value of given dtype.

maxint

Maximum value of given dtype.

See also

finfo

The equivalent for floating point data types.

Examples

With types:

>>> import numpy as np
>>> ii16 = np.iinfo(np.int16)
>>> ii16.min
-32768
>>> ii16.max
32767
>>> ii32 = np.iinfo(np.int32)
>>> ii32.min
-2147483648
>>> ii32.max
2147483647

With instances:

>>> ii32 = np.iinfo(np.int32(10))
>>> ii32.min
-2147483648
>>> ii32.max
2147483647