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@shBang #!/usr/bin/env python3
@*
FixedStepWithCross.tmpl
Created by Graham Dennis on 2008-11-12.
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/>.
*@
@extends xpdeint.Segments.Integrators._FixedStepWithCross
@def leftRightDeltaAFunctionBody($function, $replacementOperatorContainer)
@#
@# First evaluate any computed vector that any of our operators may depend on
${evaluateComputedVectors($dynamicVectorsNeedingPrecalculationForOperatorContainers($intraStepOperatorContainers), static = False)}@slurp
@#
@# Then loop over operators that come before the delta A operators in the order in which
@# they appear in the xmds script.
@#
@for $operatorContainer in $intraStepOperatorContainers
${operatorContainer.evaluatePreDeltaAOperators(parentFunction = function)}@slurp
@end for
@#
@# Now loop over delta A operators
@# See the comment in _Integrator about why this needs to be done in
@# this particular order
@for $operatorContainer in $intraStepOperatorContainersInFieldDescendingOrder
@# Blank line for formatting
@if not operatorContainer == $operatorContainerToOverride
${operatorContainer.evaluateDeltaAOperator(parentFunction = function)}@slurp
@else
${replacementOperatorContainer.evaluateDeltaAOperator(parentFunction = function)}@slurp
@end if
@end for
@#
@# Lastly, loop over the operators that come after the delta a operators in the order in
@# which they appear in the xmds script.
@#
@for $operatorContainer in $intraStepOperatorContainers
@# Blank line for formatting
${operatorContainer.evaluatePostDeltaAOperators(parentFunction = function)}@slurp
@end for
@#
@set $integrationVectorsNeedingUpdating = $integrationVectors
@silent integrationVectorsNeedingUpdating.difference_update(replacementOperatorContainer.deltaAOperator.integrationVectors)
${transformVectorsToBasis($integrationVectorsNeedingUpdating, $homeBasis), autoIndent=True}@slurp
${loopOverVectorsWithInnerContentTemplate($integrationVectorsNeedingUpdating,
c"""// a = oldcopy + a
_\${vector.id}[\$index] += _${name}_oldcopy_\${vector.id}[\$index];
""", basis = $homeBasis)}@slurp
@#
@end def
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