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.

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

{
  using namespace libMesh;

  libmesh_error_msg_if(argc < 2, "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;
}