Function calculate_path

src/models/utils.rs:13–24

Calculates the path from `current_dim_index` to `target_dim_index`. Decomposes the difference into powers of 4 and returns the indices.

(target_dim_index: u32, current_dim_index: u32)

/// Calculates the path from `current_dim_index` to `target_dim_index`.
/// Decomposes the difference into powers of 4 and returns the indices.
pub fn calculate_path(target_dim_index: u32, current_dim_index: u32) -> Vec<u8> {
    let mut path = Vec::new();
    let mut remaining = target_dim_index - current_dim_index;

    while remaining > 0 {
        let (child_index, pow_4) = largest_power_of_4_below(remaining);
        path.push(child_index);
        remaining -= pow_4;
    }

    path
}