/usr/include/deal.II/lac/exceptions.h is in libdeal.ii-dev 8.5.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// Copyright (C) 2004 - 2017 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 at
// the top level of the deal.II distribution.
//
// ---------------------------------------------------------------------
#ifndef dealii__lac_exceptions_h
#define dealii__lac_exceptions_h
#include <deal.II/base/exceptions.h>
DEAL_II_NAMESPACE_OPEN
namespace LACExceptions
{
/**
* @addtogroup Exceptions
*/
//@{
/**
* This function only works for quadratic matrices.
*/
DeclExceptionMsg (ExcNotQuadratic,
"This function only works for quadratic objects!");
/**
* The operation cannot be finished since the matrix is singular.
*/
DeclException0 (ExcSingular);
/**
* Block indices of two block objects are different.
*/
DeclException0 (ExcDifferentBlockIndices);
/**
* Exception thrown when a PETSc function reports an error. If possible,
* this exception uses the message provided by
* <code>PetscErrorMessage</code> to print a description of the error.
*
* @note For backwards compatibility this is defined whether or not deal.II
* is compiled with PETSc.
*/
class ExcPETScError : public dealii::ExceptionBase
{
public:
ExcPETScError (const int error_code);
virtual void print_info (std::ostream &out) const;
const int error_code;
};
/**
* An error of a Trilinos function was encountered. Check the Trilinos
* documentation for details.
*/
DeclException1 (ExcTrilinosError,
int,
<< "An error with error number " << arg1
<< " occurred while calling a Trilinos function");
//@}
}
using namespace LACExceptions;
DEAL_II_NAMESPACE_CLOSE
#endif
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