fparser_parse.C File Reference

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Functions
int	main (int argc, char **argv)

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 28 of file fparser_parse.C.

{
  using namespace libMesh;
 
  if (argc < 2)
    libmesh_error_msg("Usage: " << argv[0] << " function_to_eval [x] [y] [z] [t]");
 
  std::string function_string = argv[1];
 
  ParsedFunction<> func(function_string);
 
  const Point p ( (argc > 2) ? std::atof(argv[2]) : 0.0,
                  (argc > 3) ? std::atof(argv[3]) : 0.0,
                  (argc > 4) ? std::atof(argv[4]) : 0.0 );
 
  const libMesh::Real t = (argc > 5) ? std::atof(argv[5]) : 0.0;
 
  const libMesh::Number out = func(p,t);
 
  libMesh::out << "out = " << out << std::endl;
 
  return 0;
}

References libMesh::out, and libMesh::Real.