pub fn efi_batch_slice(
price: &[f64],
volume: &[f64],
sweep: &EfiBatchRange,
kern: Kernel,
) -> Result<EfiBatchOutput, EfiError>pub fn efi_batch_slice(
price: &[f64],
volume: &[f64],
sweep: &EfiBatchRange,
kern: Kernel,
) -> Result<EfiBatchOutput, EfiError>