metatensor 0.2.0

Self-describing sparse tensor data format for atomistic machine learning and beyond
# Changelog

All notable changes to the metatensor Rust crate are documented here, following
the [keep a changelog](https://keepachangelog.com/en/1.1.0/) format. This
project follows [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]https://github.com/metatensor/metatensor/
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## [Version 0.2.0]https://github.com/metatensor/metatensor/releases/tag/metatensor-rust-v0.2.0 - 2024-09-24

### Changed

- The code now requires Rustc v1.74 to build.
- We now depend on `ndarray=^0.16`

## [Version 0.1.6]https://github.com/metatensor/metatensor/releases/tag/metatensor-rust-v0.1.6 - 2024-09-10

### Added

- Added support for serialization of TensorBlock with `TensorBlock::load`,
  `TensorBlock::load_buffer`, `TensorBlock::save`, `TensorBlock::save_buffer`
  and the corresponding functions in `metatensor::io`.
- `Labels::select` function, to sub-select labels entries.

## [Version 0.1.5]https://github.com/metatensor/metatensor/releases/tag/metatensor-rust-v0.1.5 - 2024-03-12

### Fixed

- Re-export C API bindings in the `metatensor::c_api` module (#549)

## [Version 0.1.4]https://github.com/metatensor/metatensor/releases/tag/metatensor-rust-v0.1.4 - 2024-03-12

### Changed

- Bindings to the raw C API are now part of the `metatensor-sys` crate (#535)

## [Version 0.1.3]https://github.com/metatensor/metatensor/releases/tag/metatensor-rust-v0.1.3 - 2024-02-12

### Fixed

- Fixed build with older versions of rustc by pinning dependencies of
  metatensor-core (#505 and #506)

## [Version 0.1.2]https://github.com/metatensor/metatensor/releases/tag/metatensor-rust-v0.1.2 - 2024-01-26

### Added

- Offer serialization functionality as associated functions (i.e. `TensorMap::load`)
  in addition to the existing free standing functions (i.e. `metatensor::io::load`) (#453)

- Serialization of labels with `Labels::save`, `Labels::load`,
  `Labels::save_buffer`, `Labels::load_buffer` and the corresponding free
  functions. (#455)

## [Version 0.1.1]https://github.com/metatensor/metatensor/releases/tag/metatensor-rust-v0.1.1 - 2024-01-05

### Fixed

- Fixed the build with Cargo 1.75

## [Version 0.1.0]https://github.com/metatensor/metatensor/releases/tag/metatensor-rust-v0.1.0 - 2023-10-11

### Added

- Rust bindings to all metatensor-core class: `Labels`, `LabelsEntry`,
  `TensorBlock`, and `TensorMap`;
- Rust binding of `mts_array_t` through the `Array` trait;
- Implementation of `Array` for [ndarray]https://docs.rs/ndarray/;
- Parallel iteration over labels entries and blocks using [rayon]https://docs.rs/rayon/;