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Python中查看float数据类型的最大最小值

Python   2009-06-20 22:05:37


Python中查看float数据类型的最大最小值

import sys

temp_1 = sys.float_info.max #最大值
temp_2 = sys.float_info.min #最小值

sys.float_info中包含所有与float类型有关信息:

sys.float_info(max=1.7976931348623157e+308, max_exp=1024, max_10_exp=308, min=2.2250738585072014e-308, min_exp=-1021, min_10_exp=-307, dig=15, mant_dig=53, epsilon=2.220446049250313e-16, radix=2, rounds=1)


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