pub fn dx_batch_par_slice(
high: &[f64],
low: &[f64],
close: &[f64],
sweep: &DxBatchRange,
kern: Kernel,
) -> Result<DxBatchOutput, DxError>pub fn dx_batch_par_slice(
high: &[f64],
low: &[f64],
close: &[f64],
sweep: &DxBatchRange,
kern: Kernel,
) -> Result<DxBatchOutput, DxError>