# Changelog

Notable changes to this project are documented in this file.

The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).

The `euler` crate adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).

## [0.4.0] - 2018-06-22

- `cgmath` updated to version 0.16.x.
- `mint` updated to version 0.5.x.

## [0.3.0] - 2018-01-07

## Added

- Implementation of `{Add, Sub, Mul, Div}Assign` for vectors.
- Implementation of `MulAssign` for quaternions.
- `Vec{2, 3}::angle`.
- `Vec3::rotate_by`.
- `Quat::euler`.

## Changed

- Renamed `Mat::invert` as `Mat::inverse`.

## [0.2.1] - 2017-10-14

### Fixed

- Vector macro constructor ordering.

## [0.2.0] - 2017-10-14

### Added

- Double precision types `DVec*`, `DMat*`, and `DQuat*`.

## [0.1.0] - 2017-09-09

### Added

- Vector types `Vec2`, `Vec3`, and `Vec4`.
- Matrix types `Mat2`, `Mat3`, and `Mat4`.
- Quaternion type `Quat`.
- Vector macro constructors `vec2!`, `vec3!`, and `vec4!`.
- Matrix macro constructors `mat2!`, `mat3!`, and `mat4!`.
- Quaternion macro constructor `quat!`.
- Transform type, representing translation * rotation * non-uniform scale.
- Vector and matrix multiplication operators:
  - `Mat2 * Mat2`
  - `Mat2 * Vec2`
  - `Mat3 * Mat3`
  - `Mat3 * Vec3`
  - `Mat4 * Mat4`
  - `Mat4 * Vec4`
- Vector addition operators:
  - `Vec2 + Vec2`
  - `Vec3 + Vec3`
- Functions `invert` and `try_invert` implemented for all matrix types.