honeycomb_benches/
utils.rs

1use std::collections::hash_map::DefaultHasher;
2use std::fs::File;
3use std::hash::Hasher;
4use std::io::Read;
5
6cfg_if::cfg_if! {
7    if #[cfg(feature = "_single_precision")] {
8        /// Floating-point type alias.
9        ///
10        /// This is mostly used to run tests using both `f64` and `f32`.
11        pub type FloatType = f32;
12    } else {
13        /// Floating-point type alias.
14        ///
15        /// This is mostly used to run tests using both `f64` and `f32`.
16        pub type FloatType = f64;
17    }
18}
19
20pub fn hash_file(path: &str) -> Result<u64, std::io::Error> {
21    let mut file = File::open(path)?;
22    let mut hasher = DefaultHasher::new();
23    let mut buffer = [0; 8192];
24
25    loop {
26        let bytes_read = file.read(&mut buffer)?;
27        if bytes_read == 0 {
28            break;
29        }
30        hasher.write(&buffer[..bytes_read]);
31    }
32
33    Ok(hasher.finish())
34}
honeycomb_benches/utils.rs

honeycomb_benches/
utils.rs
