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fix: Gamma prior no assignment after init

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This commit is contained in:
mzwiessele 2018-02-22 16:33:54 +01:00
parent 34a5e7ed70
commit 47cf3ed696
1 changed files with 14 additions and 6 deletions
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20
GPy/core/parameterization/priors.py
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@ -288,9 +288,17 @@ class Gamma(Prior):
cls._instances.append(weakref.ref(o)) cls._instances.append(weakref.ref(o))
return cls._instances[-1]() return cls._instances[-1]()
@property
def a(self):
return self._a
@property
def b(self):
return self._b
def __init__(self, a, b): def __init__(self, a, b):
self.a = float(a) self._a = float(a)
self.b = float(b) self._b = float(b)
self.constant = -gammaln(self.a) + a * np.log(b) self.constant = -gammaln(self.a) + a * np.log(b)
def __str__(self): def __str__(self):
@ -333,8 +341,8 @@ class Gamma(Prior):
return self.a, self.b return self.a, self.b
def __setstate__(self, state): def __setstate__(self, state):
self.a = state[0] self._a = state[0]
self.b = state[1] self._b = state[1]
self.constant = -gammaln(self.a) + self.a * np.log(self.b) self.constant = -gammaln(self.a) + self.a * np.log(self.b)
class InverseGamma(Gamma): class InverseGamma(Gamma):
@ -360,8 +368,8 @@ class InverseGamma(Gamma):
return cls._instances[-1]() return cls._instances[-1]()
def __init__(self, a, b): def __init__(self, a, b):
self.a = float(a) self._a = float(a)
self.b = float(b) self._b = float(b)
self.constant = -gammaln(self.a) + a * np.log(b) self.constant = -gammaln(self.a) + a * np.log(b)
def __str__(self): def __str__(self):