V0.2

Cargo.toml

@@ -18,13 +18,21 @@ log = "0.4.14"
 fs2 = "0.4.0"
 env_logger = "0.11.3"
 serde_json = "1.0.68"
+ahash = "0.8.11"
+rand = "0.8.4"
+rusqlite = "0.31.0"
+chrono = "0.4"
+brotli = "6.0.0"
 
 [profile.release]
 opt-level = 3
 
 [profile.bench]
 opt-level = 3
 
+# [profile.dev]
+# debug = true
+
 # [[bench]]
 # name = "hamming_distance"
 # harness = false

src/constants.rs

@@ -1,2 +1,9 @@
 pub const VECTOR_SIZE: usize = 1024;
-pub const QUANTIZED_VECTOR_SIZE: usize = VECTOR_SIZE / 8;
+pub const QUANTIZED_VECTOR_SIZE: usize = 128;
+pub const K: usize = 512;
+pub const C: usize = 1;
+pub const ALPHA: usize = 64;
+pub const BETA: usize = 3;
+pub const GAMMA: usize = 1;
+pub const RHO: usize = 1;
+pub const B: usize = 512;

src/errors.rs

@@ -0,0 +1,27 @@
+use std::error::Error;
+use std::fmt;
+
+#[derive(Debug)]
+pub struct HaystackError {
+    details: String,
+}
+
+impl HaystackError {
+    pub fn new(msg: &str) -> HaystackError {
+        HaystackError {
+            details: msg.to_string(),
+        }
+    }
+}
+
+impl fmt::Display for HaystackError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", self.details)
+    }
+}
+
+impl Error for HaystackError {
+    fn description(&self) -> &str {
+        &self.details
+    }
+}

src/lib.rs

@@ -1,4 +1,5 @@
 pub mod constants;
+pub mod errors;
 pub mod math;
 pub mod services;
 pub mod structures;