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[paramcore] fix for traversal

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This commit is contained in:
mzwiessele 2014-05-13 14:20:59 +01:00
parent 851e63476c
commit 442bc3f581
1 changed files with 11 additions and 11 deletions
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22
GPy/core/parameterization/parameter_core.py
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@ -599,14 +599,13 @@ class OptimizationHandlable(Constrainable):
return p
def _set_params_transformed(self, p):
if p is self.param_array:
p = p.copy()
if self.has_parent() and self.constraints[__fixed__].size != 0:
fixes = np.ones(self.size).astype(bool)
fixes[self.constraints[__fixed__]] = FIXED
self.param_array.flat[fixes] = p
elif self._has_fixes(): self.param_array.flat[self._fixes_] = p
else: self.param_array.flat = p
if not(p is self.param_array):
if self.has_parent() and self.constraints[__fixed__].size != 0:
fixes = np.ones(self.size).astype(bool)
fixes[self.constraints[__fixed__]] = FIXED
self.param_array.flat[fixes] = p
elif self._has_fixes(): self.param_array.flat[self._fixes_] = p
else: self.param_array.flat = p
self.untransform()
self._trigger_params_changed()
@ -621,7 +620,7 @@ class OptimizationHandlable(Constrainable):
def num_params(self):
"""
Return the number of parameters of this parameter_handle.
Param objects will allways return 0.
Param objects will always return 0.
"""
raise NotImplemented, "Abstract, please implement in respective classes"
@ -742,14 +741,15 @@ class Parameterizable(OptimizationHandlable):
self.__visited = True
for c in self._parameters_:
c.traverse(visit, *args, **kwargs)
self.__visited = False
def traverse_parents(self, visit, *args, **kwargs):
"""
Traverse the hierarchy upwards, visiting all parents and their children.
See "visitor pattern" in literature. This is implemented in pre-order fashion.
Example:
parents = []
self.traverse_parents(parents.append)
print parents