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Make symmetric kernel work with python 2.7

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This commit is contained in:
Mark Pullin 2018-07-02 21:03:18 +01:00
parent 1a42cbd342
commit 09c72eeec5
1 changed files with 2 additions and 2 deletions
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4
GPy/kern/src/symmetric.py
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@ -38,7 +38,7 @@ class Symmetric(Kern):
def __init__(self, base_kernel, transform, symmetry_type='even'): def __init__(self, base_kernel, transform, symmetry_type='even'):
super().__init__(1, [0], name='symmetric_kernel') super(Symmetric, self).__init__(1, [0], name='symmetric_kernel')
if symmetry_type is 'odd': if symmetry_type is 'odd':
self.symmetry_sign = -1. self.symmetry_sign = -1.
elif symmetry_type is 'even': elif symmetry_type is 'even':
@ -77,7 +77,7 @@ class Symmetric(Kern):
# Evaluate cross terms in batches, taking the diag of a larger matrix # Evaluate cross terms in batches, taking the diag of a larger matrix
# is wasteful, but is more efficient than calling kernel.K for each data point # is wasteful, but is more efficient than calling kernel.K for each data point
batch_size = 100 batch_size = 100
n_batches = int(np.ceil(n_points / batch_size)) n_batches = int(np.ceil(n_points / float(batch_size)))
cross_term = np.zeros(X.shape[0]) cross_term = np.zeros(X.shape[0])
for i in range(n_batches): for i in range(n_batches):
i_start = i * batch_size i_start = i * batch_size