A specialization of the SolverException class for PETSc. More...

#include <petsc_solver_exception.h>

Inheritance diagram for libMesh::PetscSolverException:

Public Member Functions
	PetscSolverException (int error_code_in)

virtual const char *	what () const noexcept
	Override the what() function to provide a generic error message. More...

Public Attributes
int	error_code
	The error code generated by the solver. More...

std::string	what_message
	string which holds the message built in the constructor. More...

Detailed Description

A specialization of the SolverException class for PETSc.

Definition at line 37 of file petsc_solver_exception.h.

Constructor & Destructor Documentation

◆ PetscSolverException()

libMesh::PetscSolverException::PetscSolverException ( int error_code_in )

Definition at line 40 of file petsc_solver_exception.h.

References libMesh::SolverException::error_code, and libMesh::SolverException::what_message.

                                           :
     SolverException(error_code_in)
   {
     const char * text;
     // This is one scenario where we don't catch the error code
     // returned by a PETSc function :)
     PetscErrorMessage(error_code, &text, nullptr);
     what_message = text;
   }

Member Function Documentation

◆ what()

virtual const char* libMesh::SolverException::what ( ) const

virtualnoexceptinherited

Override the what() function to provide a generic error message.

Definition at line 127 of file libmesh_exceptions.h.

References libMesh::SolverException::what_message.

   {
     // std::string::c_str() is noexcept in C++11, so it's safe to call
     // in what() because it can't throw.
     return what_message.c_str();
   }