brotli::enc::block_splitter

Function update_cost_and_signal

source 
fn update_cost_and_signal(
    num_histograms32: u32,
    ix: usize,
    min_cost: floatX,
    block_switch_cost: floatX,
    cost: &mut [Mem256f],
    switch_signal: &mut [u8],
)