Update half requirement from 1.8 to 2.0

[dependabot]

Updates the requirements on half to permit the latest version.

Release notes

Sourced from half's releases.

2.0.0

Changed

• Breaking Change Minimum supported Rust version is now 1.58.
• Breaking Change std is now enabled as a default cargo feature. Disable default features to continue using no_std support.
• Migrated to Rust Edition 2021.
• Added #[must_use] attributes to functions, as appropriate.

Fixed

• Fix a soundness bug with slice::as_ptr not correctly using mutable reference. By @​Nilstrieb.

Added

• Added const conversion methods to both f16 and bf16. These methods never use hardware intrinsics, unlike the current conversion methods, which is why they are separated into new methods. The following const methods were added:
  • from_f32_const
  • from_f64_const
  • to_f32_const
  • to_f64_const
• Added Neg trait support for borrowed values &f16 and &bf16. By @​pthariensflame.
• Added AsPrimitive implementations from and to self, usize, and isize. By @​kali.

Removed

• Breaking Change The deprecated serialize cargo feature has been removed. Use serde cargo feature instead.
• Breaking Change The deprecated consts module has been removed. Use associated constants on f16 instead.
• Breaking Change The following deprecated functions have been removed:
  • f16::as_bits
  • slice::from_bits_mut
  • slice::to_bits_mut
  • slice::from_bits
  • slice::to_bits
  • vec::from_bits
  • vec::to_bits

Changelog

Sourced from half's changelog.

[2.0.0] - 2022-06-21

Changed

• Breaking Change Minimum supported Rust version is now 1.58.
• Breaking Change std is now enabled as a default cargo feature. Disable default features to continue using no_std support.
• Migrated to Rust Edition 2021.
• Added #[must_use] attributes to functions, as appropriate.

Fixed

• Fix a soundness bug with slice::as_ptr not correctly using mutable reference. By [@​Nilstrieb].

Added

• Added const conversion methods to both f16 and bf16. These methods never use hardware intrinsics, unlike the current conversion methods, which is why they are separated into new methods. The following const methods were added:
  • from_f32_const
  • from_f64_const
  • to_f32_const
  • to_f64_const
• Added Neg trait support for borrowed values &f16 and &bf16. By [@​pthariensflame].
• Added AsPrimitive implementations from and to self, usize, and isize. By [@​kali].

Removed

• Breaking Change The deprecated serialize cargo feature has been removed. Use serde cargo feature instead.
• Breaking Change The deprecated consts module has been removed. Use associated constants on f16 instead.
• Breaking Change The following deprecated functions have been removed:
  • f16::as_bits
  • slice::from_bits_mut
  • slice::to_bits_mut
  • slice::from_bits
  • slice::to_bits
  • vec::from_bits
  • vec::to_bits

[1.8.2] - 2021-10-22

Fixed

• Remove cargo resolver=2 from manifest to resolve errors in older versions of Rust that still worked with 1.8.0. Going forward, MSRV increases will be major version increases. Fixes #48.

[1.8.1] - 2021-10-21 - Yanked

Yanked

Not recommended due to introducing compilation error in Rust versions that worked with 1.8.0.

Changed

• Now uses cargo resolver version 2 to prevent dev-dependencies from enabling std feature on optional dependencies.

Fixed

• Fixed compile failure when std feature is not enabled and num-traits is enabled under new

... (truncated)

Commits

• 7ae587c Version bump for release
• 2a463c3 Add miri to CI
• 36c1e3f Fix exclusive reference obtained from shared reference
• 4e4ef87 update changelog with PR changes
• 723ca07 add AsPrimitive impls: from and to self, from and to usize and isize
• 0389edf Add impl Neg for references
• f8a4b83 bump rustc min to 1.58
• 005ad4e allow uninit_vec clippy lint for now
• ce0279c allow uninit_vec clippy lint for now
• 37ed710 added #[must_use] attributes
• Additional commits viewable in compare view

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