bump MSRV to 1.70 for f16c intrinsics

.circleci/config.yml

@@ -50,8 +50,8 @@ workflows:
           toolchain: stable
           features: --all-features
       - rust:
-          name: Rust AArch64 (1.61.0)
-          toolchain: 1.61.0
+          name: Rust AArch64 (1.70.0)
+          toolchain: 1.70.0
           features: --all-features
       - rust:
           name: Rust AArch64 (nightly)

.github/workflows/rust.yml

@@ -30,7 +30,7 @@ jobs:
           - stable
           - beta
           - nightly
-          - 1.61.0
+          - 1.70.0
 
     steps:
     - name: Checkout

CHANGELOG.md

@@ -11,7 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Floating point formatting options in `Display` and `Debug` implementations. By [@eiz].
 
 ### Changed
-- **Breaking Change** Minimum supported Rust version is now 1.61.
+- **Breaking Change** Minimum supported Rust version is now 1.70.
 - **Breaking Change** Minimum supported Rust version policy reverted to original policy of allowing
   minimum supported Rust version updates for minor releases instead of only major to avoid
   segmentation and allow optimizing hardware implementations without unnecessary major releases.

Cargo.toml

@@ -10,7 +10,7 @@ keywords = ["f16", "bfloat16", "no_std"]
 license = "MIT OR Apache-2.0"
 categories = ["no-std", "data-structures", "encoding"]
 edition = "2021"
-rust-version = "1.61"
+rust-version = "1.70"
 exclude = [".git*", ".editorconfig"]
 
 [features]

README.md

@@ -15,7 +15,7 @@ be required for some hardware.
 
 This crate provides [`no_std`](https://rust-embedded.github.io/book/intro/no-std.html) support so can easily be used in embedded code where a smaller float format is most useful.
 
-*Requires Rust 1.61 or greater.* If you need support for older versions of Rust, use 1.x versions of
+*Requires Rust 1.70 or greater.* If you need support for older versions of Rust, use 1.x versions of
 this crate.
 
 See the [crate documentation](https://docs.rs/half/) for more details.