numpy.finfo
2018-08-15 本文已影响0人
LF8313
> print(np.float)
<class 'float'>
> print(np.finfo(np.float))
Machine parameters for float64
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precision = 15
resolution = 1.0000000000000001e-15
machep = -52
eps = 2.2204460492503131e-16
negep = -53
epsneg = 1.1102230246251565e-16
minexp = -1022
tiny = 2.2250738585072014e-308
maxexp = 1024
max = 1.7976931348623157e+308
nexp = 11
min = -max
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