Method variance_chunk

src/backed/statistics/mod.rs:124–152

(&self, direction: &Direction, reference: &mut [T])

    }

    fn variance_chunk<I, T>(&self, direction: &Direction, reference: &mut [T]) -> anyhow::Result<()>
    where
        I: PrimInt + Unsigned + Zero + AddAssign + Into<T> + Send + Sync,
        T: num_traits::Float + num_traits::NumCast + AddAssign + std::iter::Sum + Send + Sync,
    {
        match direction {
            Direction::COLUMN => {
                for (chunk, _start, _end) in self.iter::<ArrayData>(1000) {
                    match_array_data_apply_function_with_generics!(
                        chunk,
                        var_col_chunk,
                        [I, T],
                        reference
                    )?;
                }
            }
            Direction::ROW => {
                for (chunk, start, end) in self.iter::<ArrayData>(1000) {
                    match_array_data_apply_function_with_generics!(
                        chunk,
                        var_row_chunk,
                        [I, T],
                        &mut reference[start..end]
                    )?;
                }
            }
        }
        Ok(())
    }
}

impl<B: Backend> ComputeMinMax for ArrayElem<B> {