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@*
SICDeltaAOperator.tmpl
delta-a operator for the left/right propagation in the SIC integrator.
Created by Graham Dennis on 2008-08-07.
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.Operators._SICDeltaAOperator
@def description: Left/Right Delta A propagation operator for field $field.name
@def callEvaluateLoop
@#
@for crossIntegrationVector in $crossIntegrationVectors
@for componentName in crossIntegrationVector.components
${crossIntegrationVector.type} _old_d${componentName}_d${crossPropagationDimension};
@end for
@end for
@#
@set $loopingOrder = {
'+': SICDeltaAOperator.LoopingOrder.StrictlyAscendingOrder,
'-': SICDeltaAOperator.LoopingOrder.StrictlyDescendingOrder
}[self.crossPropagationDirection]
${codeBlocks['operatorDefinition'].loop(self.insideEvaluateOperatorLoops, loopingOrder = loopingOrder)}@slurp
@end def
@def insideEvaluateOperatorLoops($codeString)
@#
${insideEvaluateOperatorLoopsBegin}@slurp
@#
@# The Operator class will have defined for us all of the dVariableName_dPropagationDimension variables.
@# Note that we assume that all of the integration vectors have an operotor component defined for them.
// UNVECTORISABLE
@for crossIntegrationVector in $crossIntegrationVectors
@for componentName in crossIntegrationVector.components
d${componentName}_d${crossPropagationDimension} = _old_d${componentName}_d${crossPropagationDimension};
@end for
@end for
@set $crossDimRep = $loopingField.dimensionWithName($crossPropagationDimension).inBasis($operatorBasis)
@if $crossPropagationDirection == '+'
if (${crossDimRep.loopIndex} == 0) {
@else
if (${crossDimRep.loopIndex} == ${crossDimRep.globalLattice} - 1) {
@end if
// ********** Boundary condition code ***********
${codeBlocks['boundaryCondition'].loopCodeString, autoIndent=True}@slurp
// **********************************************
@for crossIntegrationVector in $crossIntegrationVectors
for (long _cmp = 0; _cmp < _${crossIntegrationVector.id}_ncomponents; _cmp++)
_old_${crossIntegrationVector.id}[_cmp] = _active_${crossIntegrationVector.id}[_${crossIntegrationVector.id}_index_pointer + _cmp];
@end for
@# This is where one (half-step) cross-IP step would go
} else {
// Update the next guess for iteration.
@for crossIntegrationVector in $crossIntegrationVectors
@for componentNumber, componentName, in enumerate(crossIntegrationVector.components)
${componentName} = _old_${crossIntegrationVector.id}[${componentNumber}] + d${componentName}_d${crossPropagationDimension} * (${crossPropagationDirection}0.5*d${crossPropagationDimension});
@end for
@end for
}
for (long _iter = 0; _iter < ${iterations}; _iter++) {
#define d${propagationDimension} _step
{
// ************* Propagation code ***************
${codeString, autoIndent=True}@slurp
// **********************************************
}
#undef d${propagationDimension}
{
// *********** Cross-propagation code ***********
${codeBlocks['crossPropagation'].loopCodeString, autoIndent=True}@slurp
// **********************************************
}
// Update propagation vectors (note that _step is actually half a step)
@for integrationVector in $integrationVectors
@for componentNumber, componentName in enumerate(integrationVector.components)
${componentName} = _${integrator.name}_oldcopy_${integrationVector.id}[_${integrationVector.id}_index_pointer + ${componentNumber}] + d${componentName}_d${propagationDimension} * _step;
@end for
@end for
// Update cross-propagation vectors
@for crossIntegrationVector in $crossIntegrationVectors
@for componentNumber, componentName in enumerate($crossIntegrationVector.components)
${componentName} = _old_${crossIntegrationVector.id}[${componentNumber}] + d${componentName}_d${crossPropagationDimension} * (${crossPropagationDirection}0.5*d${crossPropagationDimension});
@end for
@end for
}
// Update the 'old' copy for the next half-step
@for crossIntegrationVector in $crossIntegrationVectors
@for componentNumber, componentName in enumerate(crossIntegrationVector.components)
_old_${crossIntegrationVector.id}[${componentNumber}] += d${componentName}_d${crossPropagationDimension} * (${crossPropagationDirection}d${crossPropagationDimension});
@end for
@end for
@# This is where one (full step) cross-IP step would go
@for crossIntegrationVector in $crossIntegrationVectors
@for componentName in crossIntegrationVector.components
_old_d${componentName}_d${crossPropagationDimension} = d${componentName}_d${crossPropagationDimension};
@end for
@end for
@#
@end def
@def evaluateOperatorFunctionContentsWithCodeBlock($function)
@#
@# We shouldn't have a deltaAField. It doesn't work with cross-propagation.
@assert not $deltaAField
@#
@for $crossIntegrationVector in $crossIntegrationVectors
${crossIntegrationVector.type} _old_${crossIntegrationVector.id}[_${crossIntegrationVector.id}_ncomponents];
@end for
@#
@super(function)
@#
@end def
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