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Remove Meaningless Reversed() #36617

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Feb 13, 2020
Merged

Remove Meaningless Reversed() #36617

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87f0d25
Remove Meaningless Reversed()
marload Feb 10, 2020
5e620fb
Remove Meaningless reversed()
marload Feb 12, 2020
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113 changes: 63 additions & 50 deletions tensorflow/python/ops/distributions/special_math.py
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Original file line number Diff line number Diff line change
Expand Up @@ -191,56 +191,69 @@ def _ndtri(p):
# Constants used in piece-wise rational approximations. Taken from the cephes
# library:
# https://root.cern.ch/doc/v608/SpecFuncCephesInv_8cxx_source.html
p0 = list(reversed([-5.99633501014107895267E1,
9.80010754185999661536E1,
-5.66762857469070293439E1,
1.39312609387279679503E1,
-1.23916583867381258016E0]))
q0 = list(reversed([1.0,
1.95448858338141759834E0,
4.67627912898881538453E0,
8.63602421390890590575E1,
-2.25462687854119370527E2,
2.00260212380060660359E2,
-8.20372256168333339912E1,
1.59056225126211695515E1,
-1.18331621121330003142E0]))
p1 = list(reversed([4.05544892305962419923E0,
3.15251094599893866154E1,
5.71628192246421288162E1,
4.40805073893200834700E1,
1.46849561928858024014E1,
2.18663306850790267539E0,
-1.40256079171354495875E-1,
-3.50424626827848203418E-2,
-8.57456785154685413611E-4]))
q1 = list(reversed([1.0,
1.57799883256466749731E1,
4.53907635128879210584E1,
4.13172038254672030440E1,
1.50425385692907503408E1,
2.50464946208309415979E0,
-1.42182922854787788574E-1,
-3.80806407691578277194E-2,
-9.33259480895457427372E-4]))
p2 = list(reversed([3.23774891776946035970E0,
6.91522889068984211695E0,
3.93881025292474443415E0,
1.33303460815807542389E0,
2.01485389549179081538E-1,
1.23716634817820021358E-2,
3.01581553508235416007E-4,
2.65806974686737550832E-6,
6.23974539184983293730E-9]))
q2 = list(reversed([1.0,
6.02427039364742014255E0,
3.67983563856160859403E0,
1.37702099489081330271E0,
2.16236993594496635890E-1,
1.34204006088543189037E-2,
3.28014464682127739104E-4,
2.89247864745380683936E-6,
6.79019408009981274425E-9]))

p0 = [
-1.23916583867381258016E0,
1.39312609387279679503E1,
-5.66762857469070293439E1,
9.80010754185999661536E1,
-5.99633501014107895267E1
]
q0 = [
-1.18331621121330003142E0,
1.59056225126211695515E1,
-8.20372256168333339912E1,
2.00260212380060660359E2,
-2.25462687854119370527E2,
8.63602421390890590575E1,
4.67627912898881538453E0,
1.95448858338141759834E0,
1.0
]
p1 = [
-8.57456785154685413611E-4,
-3.50424626827848203418E-2,
-1.40256079171354495875E-1,
2.18663306850790267539E0,
1.46849561928858024014E1,
4.40805073893200834700E1,
5.71628192246421288162E1,
3.15251094599893866154E1,
4.05544892305962419923E0
]
q1 = [
-9.33259480895457427372E-4,
-3.80806407691578277194E-2,
-1.42182922854787788574E-1,
2.50464946208309415979E0,
1.50425385692907503408E1,
4.13172038254672030440E1,
4.53907635128879210584E1,
1.57799883256466749731E1,
1.0
]
p2 = [
6.23974539184983293730E-9,
2.65806974686737550832E-6,
3.01581553508235416007E-4,
1.23716634817820021358E-2,
2.01485389549179081538E-1,
1.33303460815807542389E0,
3.93881025292474443415E0,
6.91522889068984211695E0,
3.23774891776946035970E0
]
q2 = [
6.79019408009981274425E-9,
2.89247864745380683936E-6,
3.28014464682127739104E-4,
1.34204006088543189037E-2,
2.16236993594496635890E-1,
1.37702099489081330271E0,
3.67983563856160859403E0,
6.02427039364742014255E0,
1.0
]

def _create_polynomial(var, coeffs):
"""Compute n_th order polynomial via Horner's method."""
Expand Down