add a ci job for the tests

.github/workflows/ci.yml

@@ -0,0 +1,39 @@
+name: ci
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+# Cancels a previous run if a new commit is made on the same pull request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Set up Bazel
+      uses: bazel-contrib/setup-bazel@0.14.0
+      with:
+        bazelisk-cache: true
+        disk-cache: ${{ github.workflow }}
+        repository-cache: true
+
+    - name: Bazel tests
+      run: bazel test src:all

WORKSPACE

@@ -59,3 +59,9 @@ git_repository(
     remote = "https://github.com/nlohmann/json.git",
     shallow_since = "1701207391 +0100",
 )
+
+http_archive(
+    name = "platforms",
+    urls = ["https://github.com/bazelbuild/platforms/archive/refs/tags/0.0.6.zip"],
+    strip_prefix = "platforms-0.0.6",
+)

src/BUILD

@@ -27,10 +27,15 @@ OPT_COPTS = select({
         "-fno-fast-math",
         "-flto",
         "-march=native",
-        "-mmacosx-version-min=10.15"
     ],
     ":debug": ["-Og"],
-}) + ["-std=c++20"]
+}) + select({
+        "@platforms//os:windows": ["/std:c++20"],
+        "//conditions:default": ["-std=c++20"],
+}) + select({
+    "@platforms//os:macos": ["-mmacosx-version-min=10.15"],
+    "//conditions:default": [],
+})
 
 OPT_LINKOPTS = select({
     "//conditions:default": [
@@ -100,7 +105,8 @@ cc_test(
     name = "tesseract_tests",
     timeout = "eternal",
     srcs = ["tesseract.test.cc"],
-    tags = ["exclusive"],
+    copts = OPT_COPTS,
+    linkopts = OPT_LINKOPTS,
     deps = [
         ":libsimplex",
         ":libtesseract",

src/tesseract.test.cc

@@ -80,7 +80,7 @@ bool simplex_test_compare(stim::DetectorErrorModel& dem,
 
 TEST(tesseract, Tesseract_simplex_test) {
   for (float p_err : {0.001, 0.003, 0.005}) {
-    for (size_t distance : {3, 5, 7}) {
+    for (size_t distance : {3, 5}) {
       for (const size_t num_rounds : {2, 5, 10}) {
         const size_t num_shots = 1000 / num_rounds / distance;
         std::cout << "p_err = " << p_err << " distance = " << distance