TagVectorSum.C

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#include "TagVectorSum.h"
 
// MOOSE includes
#include "NonlinearSystemBase.h"
#include "FEProblemBase.h"
 
// libMesh includes
#include "libmesh/numeric_vector.h"
 
registerMooseObject("MooseApp", TagVectorSum);
 
InputParameters
TagVectorSum::validParams()
{
  InputParameters params = GeneralPostprocessor::validParams();
  params.addRequiredParam<TagName>("vector", "The name of the vector to compute the sum for");
  params.addClassDescription("Computes the sum of components of the requested tagged vector");
  return params;
}
 
TagVectorSum::TagVectorSum(const InputParameters & parameters)
  : GeneralPostprocessor(parameters),
    _vec(_fe_problem.getNonlinearSystemBase(_sys.number())
             .getVector(_fe_problem.getVectorTagID(getParam<TagName>("vector"))))
{
}
 
void
TagVectorSum::initialize()
{
}
 
void
TagVectorSum::execute()
{
  _sum = _vec.sum();
}
 
PostprocessorValue
TagVectorSum::getValue() const
{
  return _sum;
}