name: CI
on:
  push:
    branches:
      - staging
      - trying

jobs:

  test:
    name: Test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust: [
          1.31.0, # MSRV
          1.35.0, # has_copysign
          1.37.0, # has_reverse_bits
          1.38.0, # has_div_euclid
          1.44.0, # has_to_int_unchecked
          1.46.0, # has_leading_trailing_ones
          stable,
          beta,
          nightly,
        ]
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - run: cargo build
        env:
          # https://github.com/rust-lang/cargo/issues/10303
          CARGO_NET_GIT_FETCH_WITH_CLI: true
      - run: ./ci/test_full.sh

  # i586 presents floating point challenges for lack of SSE/SSE2
  i586:
    name: Test (i586)
    runs-on: ubuntu-latest
    steps:
      - run: |
          sudo apt-get update
          sudo apt-get install gcc-multilib
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
        with:
          target: i586-unknown-linux-gnu
      - run: cargo test --target i586-unknown-linux-gnu --all-features

  # try a target that doesn't have std at all
  no_std:
    name: No Std
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
        with:
          target: thumbv6m-none-eabi
      - run: cargo build --target thumbv6m-none-eabi --no-default-features
      - run: cargo build --target thumbv6m-none-eabi --no-default-features --features libm

  fmt:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@1.62.0
        with:
          components: rustfmt
      - run: cargo fmt --all --check