pub fn keltner_batch_with_kernel(
high: &[f64],
low: &[f64],
close: &[f64],
source: &[f64],
sweep: &KeltnerBatchRange,
k: Kernel,
) -> Result<KeltnerBatchOutput, KeltnerError>pub fn keltner_batch_with_kernel(
high: &[f64],
low: &[f64],
close: &[f64],
source: &[f64],
sweep: &KeltnerBatchRange,
k: Kernel,
) -> Result<KeltnerBatchOutput, KeltnerError>