Function auto_solve 

pub fn auto_solve<S, Sys>(
    problem: &Sys,
    t0: S,
    tf: S,
    y0: &[S],
    options: &SolverOptions<S>,
) -> Result<SolverResult<S>, SolverError>
where
    S: Scalar + SimpleEntity + Conjugate<Canonical = S> + ComplexField,
    Sys: OdeSystem<S>,

Convenience function for automatic solving.