Function bits_per_dim

nodedb-array/src/coord/normalize.rs:25–31

Bits per dim for an `n`-dim schema, dividing [`PREFIX_BITS`] evenly (truncated). Returns at least 1 bit per dim.

(n_dims: usize)

/// Bits per dim for an `n`-dim schema, dividing [`PREFIX_BITS`] evenly
/// (truncated). Returns at least 1 bit per dim.
pub fn bits_per_dim(n_dims: usize) -> u32 {
    if n_dims == 0 {
        return 0;
    }
    let raw = PREFIX_BITS / n_dims as u32;
    raw.max(1)
}

/// Normalize one cell coordinate into per-dim integer coordinates in
/// `[0, 2^bits)`. The output `Vec` has the same arity as the schema.