diff --git a/.github/workflows/prerelease.yml b/.github/workflows/prerelease.yml
index 7877777b..2f1d38f7 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.yml
@@ -35,6 +35,7 @@ jobs:
package.json:"version": "(\d+\.\d+\.\d+)"
CITATION.cff:^version: (\d+\.\d+\.\d+)
Cargo.toml:^version = "(\d+\.\d+\.\d+)"
+ Cargo.lock:name = "usearch"\nversion = "(\d+\.\d+\.\d+)"
wasmer.toml:^version = "(\d+\.\d+\.\d+)"
conanfile.py:version = "(\d+\.\d+\.\d+)"
java/README.md:(\d+\.\d+\.\d+)
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c128da8a..6c6739c7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -35,7 +35,7 @@ jobs:
package.json:"version": "(\d+\.\d+\.\d+)"
CITATION.cff:^version: (\d+\.\d+\.\d+)
Cargo.toml:^version = "(\d+\.\d+\.\d+)"
- Cargo.lock:^version = "(\d+\.\d+\.\d+)"
+ Cargo.lock:name = "usearch"\nversion = "(\d+\.\d+\.\d+)"
wasmer.toml:^version = "(\d+\.\d+\.\d+)"
conanfile.py:version = "(\d+\.\d+\.\d+)"
java/README.md:(\d+\.\d+\.\d+)
diff --git a/Cargo.lock b/Cargo.lock
index 875876f4..b7b7a927 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
[[package]]
name = "cc"
-version = "2.13.3"
+version = "1.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "099a5357d84c4c61eb35fc8eafa9a79a902c2f76911e5747ced4e032edd8d9b4"
+checksum = "26a5c3fd7bfa1ce3897a3a3501d362b2d87b7f2583ebcb4a949ec25911025cbc"
[[package]]
name = "codespan-reporting"
@@ -135,7 +135,7 @@ checksum = "68f5e5f3158ecfd4b8ff6fe086db7c8467a2dfdac97fe420f2b7c4aa97af66d6"
[[package]]
name = "usearch"
-version = "2.13.1"
+version = "2.13.3"
dependencies = [
"cxx",
"cxx-build",
diff --git a/Cargo.toml b/Cargo.toml
index b26527a5..346e046c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,10 +18,10 @@ include = [
]
[features]
-default = ["simsimd"] # SimSIMD is enabled by default
-simsimd = [] # No need to do anything to enable SimSIMD by default
-openmp = [] # Optional: Users can enable OpenMP
-fp16lib = [] # Optional: Users can enable FP16 support
+default = ["simsimd", "fp16lib"] # SimSIMD is enabled by default
+simsimd = [] # No need to do anything to enable SimSIMD by default
+fp16lib = [] # Without this FP16 we lose precision downcasting
+openmp = [] # Optional: Users can enable OpenMP
[lib]
name = "usearch"
diff --git a/build.rs b/build.rs
index a6d09e82..0a1c96f3 100644
--- a/build.rs
+++ b/build.rs
@@ -23,15 +23,41 @@ fn main() {
build.define("USEARCH_USE_FP16LIB", "0");
}
+ // Define all possible SIMD targets as 1
+ let target_arch = std::env::var("CARGO_CFG_TARGET_ARCH").unwrap_or_default();
+ let flags_to_try = match target_arch.as_str() {
+ "arm" | "aarch64" => vec![
+ "SIMSIMD_TARGET_SVE_BF16",
+ "SIMSIMD_TARGET_SVE_F16",
+ "SIMSIMD_TARGET_SVE_I8",
+ "SIMSIMD_TARGET_SVE",
+ "SIMSIMD_TARGET_NEON_BF16",
+ "SIMSIMD_TARGET_NEON_F16",
+ "SIMSIMD_TARGET_NEON_I8",
+ "SIMSIMD_TARGET_NEON",
+ ],
+ _ => vec![
+ "SIMSIMD_TARGET_SAPPHIRE",
+ "SIMSIMD_TARGET_GENOA",
+ "SIMSIMD_TARGET_ICE",
+ "SIMSIMD_TARGET_SKYLAKE",
+ "SIMSIMD_TARGET_HASWELL",
+ ],
+ };
+
if cfg!(feature = "simsimd") {
- build
- .define("USEARCH_USE_SIMSIMD", "1")
- .define("SIMSIMD_DYNAMIC_DISPATCH", "1")
- .define("SIMSIMD_NATIVE_BF16", "0")
- .define("SIMSIMD_NATIVE_F16", "0");
+ build.define("USEARCH_USE_SIMSIMD", "1")
+ .define("SIMSIMD_DYNAMIC_DISPATCH", "1")
+ .define("SIMSIMD_NATIVE_BF16", "0")
+ .define("SIMSIMD_NATIVE_F16", "0");
+
+ for flag in &flags_to_try {
+ build.define(flag, "1");
+ }
} else {
build.define("USEARCH_USE_SIMSIMD", "0");
}
+
// Conditional compilation depending on the target operating system.
if cfg!(target_os = "linux") {
@@ -60,28 +86,6 @@ fn main() {
let mut result = build.try_compile("usearch");
if result.is_err() {
print!("cargo:warning=Failed to compile with all SIMD backends...");
-
- let target_arch = std::env::var("CARGO_CFG_TARGET_ARCH").unwrap_or_default();
- let flags_to_try = match target_arch.as_str() {
- "arm" | "aarch64" => vec![
- "SIMSIMD_TARGET_SVE_BF16",
- "SIMSIMD_TARGET_SVE_F16",
- "SIMSIMD_TARGET_SVE_I8",
- "SIMSIMD_TARGET_SVE",
- "SIMSIMD_TARGET_NEON_BF16",
- "SIMSIMD_TARGET_NEON_F16",
- "SIMSIMD_TARGET_NEON_I8",
- "SIMSIMD_TARGET_NEON",
- ],
- _ => vec![
- "SIMSIMD_TARGET_SAPPHIRE",
- "SIMSIMD_TARGET_GENOA",
- "SIMSIMD_TARGET_ICE",
- "SIMSIMD_TARGET_SKYLAKE",
- "SIMSIMD_TARGET_HASWELL",
- ],
- };
-
for flag in flags_to_try {
build.define(flag, "0");
result = build.try_compile("usearch");
diff --git a/rust/lib.rs b/rust/lib.rs
index 92c34b58..9637e710 100644
--- a/rust/lib.rs
+++ b/rust/lib.rs
@@ -1639,6 +1639,28 @@ mod tests {
}
#[test]
+ fn test_zero_distances() {
+ let options = IndexOptions {
+ dimensions: 8,
+ metric: MetricKind::L2sq,
+ quantization: ScalarKind::F16,
+ ..Default::default()
+ };
+
+ let index = new_index(&options).unwrap();
+ index.reserve(10).unwrap();
+ index.add(0, &[0.4, 0.1, 0.1, 0.0, 0.0, 0.0, 0.0, 0.0]).unwrap();
+ index.add(1, &[0.5, 0.1, 0.1, 0.0, 0.0, 0.0, 0.0, 0.0]).unwrap();
+ index.add(2, &[0.6, 0.1, 0.1, 0.0, 0.0, 0.0, 0.0, 0.0]).unwrap();
+
+ // Make sure non of the distances are zeros
+ let matches = index.search(&[0.05, 0.1, 0.1, 0.0, 0.0, 0.0, 0.0, 0.0], 2).unwrap();
+ for distance in matches.distances.iter() {
+ assert_ne!(*distance, 0.0);
+ }
+ }
+
+ #[test]
fn test_change_distance_function() {
let mut options = IndexOptions::default();
options.dimensions = 2; // Adjusted for simplicity in creating test vectors
diff --git a/simsimd b/simsimd
index 91a76d1a..ff51434d 160000
--- a/simsimd
+++ b/simsimd
@@ -1 +1 @@
-Subproject commit 91a76d1ac519b3b9dc8957734a3dabd985f00c26
+Subproject commit ff51434d90c66f916e94ff05b24530b127aa4cff