Function write_back_soa_f64 

pub fn write_back_soa_f64<A, S>(
    store: &S,
    ids: &[AgentId],
    columns: &[Vec<f64>],
)
where
    A: SoaExtractableF64,
    S: AgentStore<A>,

Write f64 SoA buffers back into an AgentStore.