Function quote_block 

fn quote_block(
    reference: NaiveDate,
    dates: &[NaiveDate],
    params: &[f64],
    rungs: &[Rung],
    fixings: &FixingStore,
    fx: &FxRates,
    form: Form<'_>,
    scheme: Interpolation,
) -> Result<(Vec<f64>, Vec<Vec<f64>>, JacobianEngine), CalibrationError>