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#!/usr/bin/env python3
# encoding: utf-8
"""
_NoTransformMPI.py
Created by Graham Dennis on 2008-08-24.
Copyright (c) 2008-2012, Graham Dennis
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
from xpdeint.Features.Transforms._NoTransform import _NoTransform
class _NoTransformMPI (_NoTransform):
def initialiseForMPIWithDimensions(self, dimensions):
dimensions[0].representations[0].setHasLocalOffset()
self.mpiDimension = dimensions[0]
self._driver.distributedDimensionNames.append(self.mpiDimension.name)
def isFieldDistributed(self, field):
return field.hasDimension(self.mpiDimension)
def canonicalBasisForBasis(self, basis, **KWs):
mpiDimRep = self.mpiDimension.representations[0]
mpiDimNames = set([mpiDimRep.name, mpiDimRep.canonicalName])
if mpiDimNames.intersection(basis):
basis = list(basis)
for idx, b in enumerate(basis[:]):
if b in mpiDimNames:
basis[idx] = mpiDimRep.canonicalName
break
basis = tuple(basis)
return basis
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