Reference documentation for deal.II version GIT relicensing-43-g3fc2fae7c3 2024-03-03 21:10:02+00:00
\(\newcommand{\dealvcentcolon}{\mathrel{\mathop{:}}}\) \(\newcommand{\dealcoloneq}{\dealvcentcolon\mathrel{\mkern-1.2mu}=}\) \(\newcommand{\jump}[1]{\left[\!\left[ #1 \right]\!\right]}\) \(\newcommand{\average}[1]{\left\{\!\left\{ #1 \right\}\!\right\}}\)
Loading...
Searching...
No Matches
exceptions.cc
Go to the documentation of this file.
1// ------------------------------------------------------------------------
2//
3// SPDX-License-Identifier: LGPL-2.1-or-later
4// Copyright (C) 2016 - 2023 by the deal.II authors
5//
6// This file is part of the deal.II library.
7//
8// Part of the source code is dual licensed under Apache-2.0 WITH
9// LLVM-exception OR LGPL-2.1-or-later. Detailed license information
10// governing the source code and code contributions can be found in
11// LICENSE.md and CONTRIBUTING.md at the top level directory of deal.II.
12//
13// ------------------------------------------------------------------------
14
15#include <deal.II/base/config.h>
16
18
19#ifdef DEAL_II_WITH_PETSC
20# include <petscsys.h>
21#endif // DEAL_II_WITH_PETSC
22
24
25namespace LACExceptions
26{
27 ExcPETScError::ExcPETScError(const int error_code)
28 : error_code(error_code)
29 {}
30
31 void
32 ExcPETScError::print_info(std::ostream &out) const
33 {
34 out << "deal.II encountered an error while calling a PETSc function."
35 << std::endl;
36#ifdef DEAL_II_WITH_PETSC
37 // PetscErrorMessage changes the value in a pointer to refer to a
38 // statically allocated description of the current error message.
39 const char *petsc_message;
40 const PetscErrorCode ierr =
41 PetscErrorMessage(static_cast<PetscErrorCode>(error_code),
42 &petsc_message,
43 /*specific=*/nullptr);
44 if (ierr == 0 && petsc_message != nullptr)
45 {
46 out << "The description of the error provided by PETSc is \""
47 << petsc_message << "\"." << std::endl;
48 }
49 else
50 {
51 out
52 << "PETSc was not able to determine a description for this particular error code."
53 << std::endl;
54 }
55#endif // DEAL_II_WITH_PETSC
56 out << "The numerical value of the original error code is " << error_code
57 << '.' << std::endl;
58 }
59} // namespace LACExceptions
60
virtual void print_info(std::ostream &out) const override
Definition exceptions.cc:32
ExcPETScError(const int error_code)
Definition exceptions.cc:27
#define DEAL_II_NAMESPACE_OPEN
Definition config.h:502
#define DEAL_II_NAMESPACE_CLOSE
Definition config.h:503