math.big: fix a + b and a - b, when the signs are different, add more test cases
#1907
Workflow file for this run
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| name: Bootstrapping CI | |
| on: | |
| workflow_dispatch: | |
| push: | |
| paths-ignore: | |
| - '**.yml' | |
| - '**.md' | |
| - '**.vv' | |
| - '**.out' | |
| - 'cmd/tools/**' | |
| - '!cmd/tools/builders/**.v' | |
| - '!cmd/tools/vup.v' | |
| - '!**/bootstrapping_ci.yml' | |
| pull_request: | |
| paths-ignore: | |
| - '**.yml' | |
| - '**.md' | |
| - '**.vv' | |
| - '**.out' | |
| - 'cmd/tools/**' | |
| - '!cmd/tools/builders/**.v' | |
| - '!cmd/tools/vup.v' | |
| - '!**/bootstrapping_ci.yml' | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/master' && github.sha || github.ref }} | |
| cancel-in-progress: true | |
| jobs: | |
| bootstrap-v: | |
| strategy: | |
| matrix: | |
| os: [ubuntu-latest, macos-14] | |
| fail-fast: false | |
| runs-on: ${{ matrix.os }} | |
| timeout-minutes: 30 | |
| env: | |
| VFLAGS: -no-parallel | |
| B_LFLAGS: -lm -lpthread | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Build V | |
| run: make -j4 | |
| - name: Test bootstrapping (v.c can be compiled and run with -os cross) | |
| run: | | |
| ls -la v vc/v.c | |
| ./v -os cross -o vc/v.c cmd/v | |
| cc -o v_from_vc vc/v.c $B_LFLAGS | |
| ls -lart v_from_vc | |
| ./v_from_vc version | |
| ./v_from_vc run examples/hello_world.v | |
| ./v_from_vc -o v_from_vc_produced_native_v cmd/v | |
| ./v_from_vc_produced_native_v run examples/hello_world.v | |
| ### the next make invocation will simulate building V from scratch | |
| make local=1 | |
| ls -la v vc/v.c v_from_vc v_from_vc_produced_native_v | |
| ./v_from_vc_produced_native_v -os cross -o vc/v.c cmd/v | |
| ### do it a second time, just in case: | |
| clang -o v_from_vc2 vc/v.c $B_LFLAGS | |
| ls -lart v_from_vc2 | |
| ./v_from_vc2 version | |
| ./v_from_vc2 run examples/hello_world.v | |
| ./v_from_vc2 -o v_from_vc_produced_native_v2 cmd/v | |
| ./v_from_vc_produced_native_v2 run examples/hello_world.v | |
| make local=1 | |
| ls -la v vc/v.c | |
| ls -la v_from_vc v_from_vc_produced_native_v | |
| ls -la v_from_vc2 v_from_vc_produced_native_v2 | |
| - name: Ensure V master is available | |
| if: github.ref_name != 'master' | |
| run: git branch master remotes/origin/master | |
| - name: Test `v up` | |
| run: | | |
| # Derive a commit sha from an older successful fast workflow on master that was able to build V. | |
| # The workflow used below is `Path Testing CI` (18477644). | |
| recent_good_commit=$(curl -L \ | |
| -H "Accept: application/vnd.github+json" \ | |
| -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \ | |
| -H "X-GitHub-Api-Version: 2022-11-28" \ | |
| "https://api.github.com/repos/vlang/v/actions/workflows/18477644/runs?branch=master&status=success&event=push&per_page=5&page=2" \ | |
| | jq -r '.workflow_runs[4].head_sha') | |
| echo "recent_good_commit=$recent_good_commit" | |
| # Build oldv at recent_good_commit. | |
| ./v run cmd/tools/oldv.v -v $recent_good_commit | |
| cd ~/.cache/oldv/v_at_$recent_good_commit | |
| # Test updating | |
| ./v version && ./v -v up && ./v version | |
| ./v -o v2 cmd/v && ./v2 -o v3 cmd/v |