Add SIMD

.github/workflows/check-msrv.yml

@@ -0,0 +1,20 @@
+name: Check MSRV
+
+on: [push]
+
+jobs:
+  msrv:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Run check
+        run: |
+          # extract the MSRV from Root `Cargo.toml`
+          MSRV=$(grep '^rust-version ' Cargo.toml | cut -d= -f2- | tr -d ' "')
+          rustup default "${MSRV}"
+          cargo check --all-targets

.github/workflows/run-rust.yml

@@ -0,0 +1,59 @@
+name: Run the Rust tests 🦀
+
+on:
+  push:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Switch to nightly Rust
+        run: |
+          rustup default nightly
+          rustup component add llvm-tools-preview
+
+      - name: Set RUSTDOCFLAGS
+        run: |
+          echo "RUSTDOCFLAGS=-Cinstrument-coverage -Z unstable-options --persist-doctests $(pwd)/target/debug/doctestbins" >> "$GITHUB_ENV"
+
+      - name: Run tests 🦀
+        env:
+          RUSTFLAGS: '-Cinstrument-coverage -Clink-dead-code'
+        run: |
+          cargo test --workspace --exclude mchep_pyapi --no-fail-fast 2> >(tee stderr 1>&2)
+          if [ "${{ matrix.os }}" != "macos-latest" ]; then
+            sed -i 's/\x1B\[[0-9;]\{1,\}[A-Za-z]//g' stderr
+          fi
+
+      - name: Generate code coverage
+        if: matrix.os == 'ubuntu-latest'
+        run: |
+          find . -name '*.profraw' -exec $(rustc --print target-libdir)/../bin/llvm-profdata merge -sparse -o mchep.profdata {} +
+          sed -nE 's/[[:space:]]+Running( unittests|) [^[:space:]]+ \(([^)]+)\)/\2/p' stderr | \
+              xargs printf ' --object %s' | \
+              xargs $(rustc --print target-libdir)/../bin/llvm-cov export \
+                  --ignore-filename-regex=index.crates.io \
+                  --ignore-filename-regex=rustc \
+                  --ignore-filename-regex=mchep/tests \
+                  --ignore-filename-regex=mchep_capi \
+                  --instr-profile=mchep.profdata \
+                  --skip-functions \
+                  --format lcov > lcov.info
+          grep SF lcov.info | sort -u | sed 's/SF://'
+
+      - name: Upload to codecov.io
+        if: matrix.os == 'ubuntu-latest'
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          flags: rust