1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
"""
Statistics-related constants.
"""
from __future__ import division, print_function, absolute_import
import numpy as np
# The smallest representable positive number such that 1.0 + _EPS != 1.0.
_EPS = np.finfo(float).eps
# The largest [in magnitude] usable floating value.
_XMAX = np.finfo(float).max
# The log of the largest usable floating value; useful for knowing
# when exp(something) will overflow
_LOGXMAX = np.log(_XMAX)
# The smallest [in magnitude] usable floating value.
_XMIN = np.finfo(float).tiny
# -special.psi(1)
_EULER = 0.577215664901532860606512090082402431042
# special.zeta(3, 1) Apery's constant
_ZETA3 = 1.202056903159594285399738161511449990765
|
