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rbf kern chaching bug fixed

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Max Zwiessele 2013-07-18 16:42:17 +01:00
parent cdf7735176
commit 0eac358f46
3 changed files with 16 additions and 11 deletions
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7
GPy/kern/parts/rbf.py
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@ -221,9 +221,10 @@ class RBF(Kernpart):
#---------------------------------------#
def _K_computations(self, X, X2):
if not (fast_array_equal(X, self._X) and fast_array_equal(X2, self._X2) and fast_array_equal(self._params , self._get_params())):
params = self._get_params()
if not (fast_array_equal(X, self._X) and fast_array_equal(X2, self._X2) and fast_array_equal(self._params , params)):
self._X = X.copy()
self._params = self._get_params().copy()
self._params = params.copy()
if X2 is None:
self._X2 = None
X = X / self.lengthscale
@ -244,7 +245,7 @@ class RBF(Kernpart):
self._psi2_Zdist = 0.5 * (Z[:, None, :] - Z[None, :, :]) # M,M,Q
self._psi2_Zdist_sq = np.square(self._psi2_Zdist / self.lengthscale) # M,M,Q
if not (fast_array_equal(Z, self._Z) and fast_array_equal(mu, self._mu) and fast_array_equal(S, self._S)):
if not fast_array_equal(Z, self._Z) or not fast_array_equal(mu, self._mu) or not fast_array_equal(S, self._S):
# something's changed. recompute EVERYTHING
# psi1