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Support FFT based expansions #151

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Merged
inducer merged 1 commit into from
May 14, 2022
Merged

Support FFT based expansions #151

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9 changes: 8 additions & 1 deletion pytential/qbx/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,8 @@
from pytential.source import LayerPotentialSourceBase
from sumpy.expansion import DefaultExpansionFactory as DefaultExpansionFactoryBase

from functools import partial

import logging
logger = logging.getLogger(__name__)

Expand All @@ -49,7 +51,12 @@ class DefaultExpansionFactory(DefaultExpansionFactoryBase):
"""A expansion factory to create QBX local, local and multipole expansions
"""
def get_qbx_local_expansion_class(self, kernel):
return self.get_local_expansion_class(kernel)
local_expn_class = self.get_local_expansion_class(kernel)
from sumpy.expansion.m2l import NonFFTM2LTranslationClassFactory
factory = NonFFTM2LTranslationClassFactory()
m2l_translation = factory.get_m2l_translation_class(kernel,
local_expn_class)()
return partial(local_expn_class, m2l_translation=m2l_translation)


class _not_provided: # noqa: N801
Expand Down