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// --------------------------------------------------------------------- | ||
// | ||
// Copyright (C) 2013 - 2018 by the deal.II authors | ||
// | ||
// This file is part of the deal.II library. | ||
// | ||
// The deal.II library is free software; you can use it, redistribute | ||
// it, and/or modify it under the terms of the GNU Lesser General | ||
// Public License as published by the Free Software Foundation; either | ||
// version 2.1 of the License, or (at your option) any later version. | ||
// The full text of the license can be found in the file LICENSE.md at | ||
// the top level directory of deal.II. | ||
// | ||
// --------------------------------------------------------------------- | ||
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// AffineConstraints<double>::distribute() crashes because copy_from() is | ||
// incomplete: | ||
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/** | ||
An error occurred in line <2679> of file | ||
</ssd/deal-git1/include/deal.II/lac/affine_constraints.templates.h> in function | ||
void dealii::AffineConstraints<number>::distribute(VectorType&) const [with | ||
VectorType = dealii::LinearAlgebra::distributed::Vector<double>; number = | ||
double] The violated condition was: needed_elements_for_distribute != IndexSet() | ||
*/ | ||
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#include <deal.II/dofs/dof_tools.h> | ||
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#include <deal.II/lac/la_parallel_block_vector.h> | ||
#include <deal.II/lac/la_parallel_vector.h> | ||
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#include "../tests.h" | ||
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void | ||
test() | ||
{ | ||
unsigned int myid = Utilities::MPI::this_mpi_process(MPI_COMM_WORLD); | ||
unsigned int numproc = Utilities::MPI::n_mpi_processes(MPI_COMM_WORLD); | ||
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IndexSet owned(numproc); | ||
owned.add_range(myid, myid + 1); | ||
IndexSet relevant = complete_index_set(numproc); | ||
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AffineConstraints<double> cm(owned, relevant); | ||
cm.add_line(0); | ||
cm.close(); | ||
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AffineConstraints<double> cm2; | ||
cm2.copy_from(cm); | ||
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LinearAlgebra::distributed::Vector<double> x(owned, relevant, MPI_COMM_WORLD); | ||
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cm.distribute(x); // this works | ||
cm2.distribute(x); // this used to fail | ||
deallog << "OK" << std::endl; | ||
} | ||
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int | ||
main(int argc, char *argv[]) | ||
{ | ||
Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv, 1); | ||
MPILogInitAll log; | ||
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test(); | ||
return 0; | ||
} |
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DEAL:0::OK | ||
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DEAL:1::OK | ||
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