Function LegacyContext

tests/unit/sys/test_expressionparser.cxx:31–33

};

Context LegacyContext(BoutReal x, BoutReal y, BoutReal z, BoutReal t) {
  return Context().set("x", x, "y", y, "z", z, "t", t);
}

/// For testing, a generator function of two inputs
class BinaryGenerator : public FieldGenerator {