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[Kern] added assertion for inputs X being matrix (ndim == 2)

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Max Zwiessele 2014-04-16 10:17:02 +01:00
parent 58097a5241
commit 39b68be5ed
1 changed files with 3 additions and 1 deletions
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4
GPy/kern/_src/kernel_slice_operations.py
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@ -31,9 +31,11 @@ class KernCallsViaSlicerMeta(ParametersChangedMeta):
class _Slice_wrap(object): class _Slice_wrap(object):
def __init__(self, k, X, X2=None): def __init__(self, k, X, X2=None):
assert X.ndim == 2, "only matrices are allowed as inputs to kernels for now, given X.shape={!s}".format(X.shape)
self.k = k self.k = k
self.shape = X.shape self.shape = X.shape
assert X.ndim == 2, "only matrices are allowed as inputs to kernels for now, given X.shape={!s}".format(X.shape)
if X2 is not None:
assert X2.ndim == 2, "only matrices are allowed as inputs to kernels for now, given X2.shape={!s}".format(X2.shape)
if (self.k.active_dims is not None) and (self.k._sliced_X == 0): if (self.k.active_dims is not None) and (self.k._sliced_X == 0):
assert X.shape[1] >= len(np.r_[self.k.active_dims]), "At least {} dimensional X needed, X.shape={!s}".format(len(np.r_[self.k.active_dims]), X.shape) assert X.shape[1] >= len(np.r_[self.k.active_dims]), "At least {} dimensional X needed, X.shape={!s}".format(len(np.r_[self.k.active_dims]), X.shape)
self.X = self.k._slice_X(X) self.X = self.k._slice_X(X)