embedded-dsp 0.5.1

A no_std Rust digital signal processing library for microcontrollers, embedded systems, and real-time signals.
Documentation 
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name: CI

on:
  push:
    branches: [master, main]
  pull_request:
    branches: [master, main]

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

env:
  CARGO_TERM_COLOR: always
  MSRV: "1.93"

jobs:
  fmt:
    name: Formatting
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt
      - run: cargo fmt --all --check

  check:
    name: Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - run: cargo check --all-targets --all-features

  check-no-std:
    name: Check (no_std - ${{ matrix.target }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        target:
          - thumbv6m-none-eabi       # Cortex-M0/M0+ (pure integer, no FPU)
          - thumbv7em-none-eabi      # Cortex-M4 (no FPU)
          - thumbv7em-none-eabihf    # Cortex-M4F/M7 (hardware FPU)
          - riscv32imc-unknown-none-elf # RISC-V embedded (ESP32-C3)
          - wasm32-unknown-unknown   # WebAssembly
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.target }}
      - uses: Swatinem/rust-cache@v2
      - name: Check build for ${{ matrix.target }} (libm, full)
        run: cargo check --target ${{ matrix.target }} --no-default-features --features full,libm
      - name: Check build for ${{ matrix.target }} with cortex-m-dsp (if ARM)
        if: startsWith(matrix.target, 'thumbv7em')
        run: cargo check --target ${{ matrix.target }} --no-default-features --features full,libm,cortex-m-dsp

  msrv:
    name: MSRV check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.MSRV }}
      - uses: Swatinem/rust-cache@v2
      - run: cargo check --no-default-features --features full,libm

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy
          targets: thumbv7em-none-eabihf
      - uses: Swatinem/rust-cache@v2
      - run: cargo clippy --all-targets --all-features -- -W clippy::all
      - run: cargo clippy --no-default-features --features full,libm --target thumbv7em-none-eabihf -- -W clippy::all

  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - name: Run unit & integration tests (default features)
        run: cargo test --all-targets --all-features
      - name: Run tests (no-default-features + libm + full)
        run: cargo test --no-default-features --features full,libm

  docs:
    name: Docs & GitHub Pages
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - run: bash .github/scripts/ci_docs.sh
      - name: Deploy Docs to GitHub Pages
        if: github.ref == 'refs/heads/master' && github.event_name == 'push'
        uses: JamesIves/github-pages-deploy-action@v4
        with:
          folder: target/doc
          branch: gh-pages

  publish-dry-run:
    name: Publish dry-run
    runs-on: ubuntu-latest
    continue-on-error: true
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - run: cargo publish --dry-run

  audit:
    name: Security & License Audit
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - uses: EmbarkStudios/cargo-deny-action@v2
        with:
          command: check
          arguments: --all-features

  coverage:
    name: Code Coverage
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: llvm-tools-preview
      - uses: taiki-e/install-action@cargo-llvm-cov
      - uses: Swatinem/rust-cache@v2
      - name: Measure code coverage
        run: |
          echo "### 📊 Code Coverage Report" >> "$GITHUB_STEP_SUMMARY"
          echo '```text' >> "$GITHUB_STEP_SUMMARY"
          cargo llvm-cov --all-features --summary-only | tee -a "$GITHUB_STEP_SUMMARY"
          echo '```' >> "$GITHUB_STEP_SUMMARY"
          cargo llvm-cov --all-features --lcov --output-path lcov.info
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v7
        with:
          files: lcov.info
          fail_ci_if_error: false
          token: ${{ secrets.CODECOV_TOKEN }}
          slug: leftger/embedded-dsp