Add the BitRound codec

Cargo.toml

@@ -3,6 +3,8 @@ resolver = "2"
 members = [
     "crates/numcodecs",
     "crates/numcodecs-python",
+
+    "codecs/bit-round",
 ]
 
 [workspace.package]
@@ -13,19 +15,23 @@ license = "MPL-2.0"
 rust-version = "1.64"
 
 [workspace.dependencies]
-# workspace-internal crates
+# workspace-internal numcodecs crates
 numcodecs = { path = "crates/numcodecs", default-features = false }
 numcodecs-python = { path = "crates/numcodecs-python", default-features = false }
 
+# workspace-internal codecs crates
+numcodecs-bit-round = { path = "codecs/bit-round", default-features = false }
+
 # crates.io third-party dependencies
 convert_case = { version = "0.6", default-features = false }
 numpy = { version = "0.21", default-features = false }
-ndarray = { version = "0.15", default-features = false }
+ndarray = { version = "0.15", default-features = false } # keep in sync with numpy
 pyo3 = { version = "0.21", default-features = false }
 pythonize = { version = "0.21", default-features = false }
 serde = { version = "1.0", default-features = false }
 serde-transcode = { version = "1.1", default-features = false }
 serde_json = { version = "1.0", default-features = false }
+thiserror = { version = "1.0", default-features = false }
 
 [workspace.lints.rust]
 unsafe_code = "deny"

codecs/bit-round/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "numcodecs-bit-round"
+version = "0.1.0"
+edition = { workspace = true }
+authors = { workspace = true }
+repository = { workspace = true }
+license = { workspace = true }
+rust-version = { workspace = true }
+
+description = "Bit rounding codec implementation for the numcodecs API"
+readme = "README.md"
+categories = ["compression", "encoding"]
+keywords = ["bit-rounding", "numcodecs", "compression", "encoding"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+ndarray = { workspace = true }
+numcodecs = { workspace = true }
+serde = { workspace = true, features = ["std", "derive"] }
+thiserror = { workspace = true }
+
+[lints]
+workspace = true

codecs/bit-round/LICENSE

@@ -0,0 +1 @@
+../../LICENSE

codecs/bit-round/README.md

@@ -0,0 +1,32 @@
+[![CI Status]][workflow] [![MSRV]][repo] [![Latest Version]][crates.io] [![Rust Doc Crate]][docs.rs] [![Rust Doc Main]][docs]
+
+[CI Status]: https://img.shields.io/github/actions/workflow/status/juntyr/numcodecs-rs/ci.yml?branch=main
+[workflow]: https://github.com/juntyr/numcodecs-rs/actions/workflows/ci.yml?query=branch%3Amain
+
+[MSRV]: https://img.shields.io/badge/MSRV-1.64.0-blue
+[repo]: https://github.com/juntyr/numcodecs-rs
+
+[Latest Version]: https://img.shields.io/crates/v/numcodecs-bit-round
+[crates.io]: https://crates.io/crates/numcodecs-bit-round
+
+[Rust Doc Crate]: https://img.shields.io/docsrs/numcodecs-bit-round
+[docs.rs]: https://docs.rs/numcodecs-bit-round/
+
+[Rust Doc Main]: https://img.shields.io/badge/docs-main-blue
+[docs]: https://juntyr.github.io/numcodecs-rs/numcodecs-bit-round
+
+# numcodecs-bit-round
+
+Bit rounding codec implementation for the [`numcodecs`] API.
+
+[`numcodecs`]: https://docs.rs/numcodecs/0.1/numcodecs/
+
+## License
+
+Licensed under the Mozilla Public License, Version 2.0 ([LICENSE](LICENSE) or https://www.mozilla.org/en-US/MPL/2.0/).
+
+## Funding
+
+The `numcodecs-bit-round` crate has been developed as part of [ESiWACE3](https://www.esiwace.eu), the third phase of the Centre of Excellence in Simulation of Weather and Climate in Europe.
+
+Funded by the European Union. This work has received funding from the European High Performance Computing Joint Undertaking (JU) under grant agreement No 101093054.