void showError(mu::Parser::exception_type &e)
{
cout << "Error occurred in parser.\n"
<< "Message: " << e.GetMsg() << "\n"
<< "Formula: " << e.GetExpr() << "\n"
<< "Token: " << e.GetToken() << "\n"
<< "Position: " << e.GetPos() << "\n"
<< "Error code: " << e.GetCode() << endl;
}
void printMuException(mu::Parser::exception_type &e)
{
using std::cout;
cout << "Content of muParser exception" << "\n";
cout << "Message: " << e.GetMsg() << "\n";
cout << "Formula: " << e.GetExpr() << "\n";
cout << "Token: " << e.GetToken() << "\n";
cout << "Position: " << e.GetPos() << "\n";
cout << "Errc: " << e.GetCode() << "\n";
}