/usr/include/deal.II/lac/petsc_full_matrix.h is in libdeal.ii-dev 6.3.1-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// $Id: petsc_full_matrix.h 20107 2009-11-13 15:40:05Z kronbichler $
// Version: $Name$
//
// Copyright (C) 2004, 2005, 2006, 2007 by the deal.II authors
//
// This file is subject to QPL and may not be distributed
// without copyright and license information. Please refer
// to the file deal.II/doc/license.html for the text and
// further information on this license.
//
//---------------------------------------------------------------------------
#ifndef __deal2__petsc_full_matrix_h
#define __deal2__petsc_full_matrix_h
#include <base/config.h>
#ifdef DEAL_II_USE_PETSC
# include <lac/exceptions.h>
# include <lac/petsc_matrix_base.h>
DEAL_II_NAMESPACE_OPEN
namespace PETScWrappers
{
/*! @addtogroup PETScWrappers
*@{
*/
/**
* Implementation of a sequential dense matrix class based on PETSC. All the
* functionality is actually in the base class, except for the calls to
* generate a sequential dense matrix. This is possible since PETSc only works
* on an abstract matrix type and internally distributes to functions that do
* the actual work depending on the actual matrix type (much like using
* virtual functions). Only the functions creating a matrix of specific type
* differ, and are implemented in this particular class.
*
* @ingroup Matrix1
* @author Wolfgang Bangerth, 2004
*/
class FullMatrix : public MatrixBase
{
public:
/**
* Create a full matrix of dimensions
* @p m times @p n.
*/
FullMatrix (const unsigned int m,
const unsigned int n);
/**
* Return a reference to the MPI
* communicator object in use with this
* matrix. Since this is a sequential
* matrix, it returns the MPI_COMM_SELF
* communicator.
*/
virtual const MPI_Comm & get_mpi_communicator () const;
};
/*@}*/
}
DEAL_II_NAMESPACE_CLOSE
#endif // DEAL_II_USE_PETSC
/*---------------------------- petsc_full_matrix.h ---------------------------*/
#endif
/*---------------------------- petsc_full_matrix.h ---------------------------*/
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