pub fn mass_batch_with_kernel(
high: &[f64],
low: &[f64],
sweep: &MassBatchRange,
k: Kernel,
) -> Result<MassBatchOutput, MassError>pub fn mass_batch_with_kernel(
high: &[f64],
low: &[f64],
sweep: &MassBatchRange,
k: Kernel,
) -> Result<MassBatchOutput, MassError>