implied-vol 2.0.0

A pure rust implementation of Peter Jäckel's implied volatility calculation
Documentation 
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name: CI

on:
  push:
    branches: [ main ]
  pull_request:
    types: [opened, reopened]
jobs:
  tests:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy, rustfmt
      - name: Install nextest
        shell: bash
        run: |
          curl -LsSf https://get.nexte.st/latest/linux | tar zxf - -C ${CARGO_HOME:-~/.cargo}/bin
      - run: cargo fmt --all --check
      - run: cargo check --all-features --workspace
      - run: cargo clippy --all-features -- -D warnings
      - run: RUSTFLAGS="-C target-cpu=native -C target-feature=+fma -C llvm-args=--fp-contract=fast" cargo test --all-features --doc -- --show-output
      - run: RUSTFLAGS="-C target-cpu=native -C target-feature=+fma -C llvm-args=--fp-contract=fast" cargo nextest run --all-features

  benchmarks:
    name: Run benchmarks
    runs-on: ubuntu-24.04
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Install nightly toolchain
        uses: dtolnay/rust-toolchain@nightly

      - name: Run benchmarks
        run: RUSTFLAGS="-C target-cpu=native -C target-feature=+fma -C llvm-args=--fp-contract=fast" cargo +nightly bench --features cxx_bench
        env:
          RUSTFLAGS: --cfg=bench

      - name: Run benchmarks with FMA
        run: RUSTFLAGS="-C target-cpu=native -C target-feature=+fma -C llvm-args=--fp-contract=fast" cargo +nightly bench --features fma,cxx_bench
        env:
          RUSTFLAGS: --cfg=bench