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Handle numbers in PyOpenCLArrayContext.np.la.norm #100

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Handle numbers in PyOpenCLArrayContext.np.la.norm #100

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5 changes: 4 additions & 1 deletion meshmode/array_context.py
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Original file line number Diff line number Diff line change
Expand Up @@ -373,6 +373,8 @@ def norm(self, array, ord=None):
if ord is None:
ord = 2

from numbers import Number

# Handling DOFArrays here is not beautiful, but it sure does avoid
# downstream headaches.
from meshmode.dof_array import DOFArray
Expand All @@ -381,11 +383,12 @@ def norm(self, array, ord=None):
return la.norm(np.array([
self.norm(_flatten_grp_array(grp_ary), ord)
for grp_ary in array]), ord)
elif isinstance(array, Number):
return abs(array)

if array.size == 0:
return 0

from numbers import Number
if ord == np.inf:
return self._array_context.np.max(abs(array))
elif isinstance(ord, Number) and ord > 0:
Expand Down