wasm: run IEEE and relaxed numerical suites as CI matrix jobs

Expose WASM_RELAXED_SIMD=0 and =1 as separate GitHub Actions jobs so
both builds are visible checks. run.sh still runs both locally when the
variable is unset.

Signed-off-by: Julien Jerphanion <git@jjerphan.xyz>

Author: jjerphan

.github/workflows/wasm.yml

@@ -31,6 +31,13 @@ jobs:
     if: github.repository == 'OpenMathLib/OpenBLAS' || github.event_name == 'workflow_dispatch'
     runs-on: ubuntu-latest
     timeout-minutes: 45
+    strategy:
+      fail-fast: false
+      matrix:
+        # Explicit IEEE vs relaxed-SIMD OpenBLAS builds (and matching suite tolerances).
+        wasm_relaxed_simd: ['0', '1']
+
+    name: numerical (WASM_RELAXED_SIMD=${{ matrix.wasm_relaxed_simd }})
 
     steps:
       - name: Checkout repository
@@ -54,5 +61,8 @@ jobs:
           which emmake emar emranlib
 
       - name: Run WASM numerical CBLAS suite
+        env:
+          WASM_RELAXED_SIMD: ${{ matrix.wasm_relaxed_simd }}
         run: |
+          echo "Running suite with WASM_RELAXED_SIMD=${WASM_RELAXED_SIMD}"
           JOBS="$(nproc)" ./test/wasm/run.sh

test/wasm/run.sh

@@ -114,6 +114,24 @@ build_and_run() {
 }
 
 echo "test/wasm run.sh JOBS=$JOBS"
-build_and_run 0
-build_and_run 1
-echo "test/wasm: IEEE + relaxed suites passed"
+# If WASM_RELAXED_SIMD is set to 0 or 1, run only that mode (used by CI matrix).
+# Otherwise run both IEEE and relaxed builds.
+case "${WASM_RELAXED_SIMD-}" in
+  0)
+    build_and_run 0
+    echo "test/wasm: IEEE suite passed (WASM_RELAXED_SIMD=0)"
+    ;;
+  1)
+    build_and_run 1
+    echo "test/wasm: relaxed suite passed (WASM_RELAXED_SIMD=1)"
+    ;;
+  "")
+    build_and_run 0
+    build_and_run 1
+    echo "test/wasm: IEEE + relaxed suites passed"
+    ;;
+  *)
+    echo "WASM_RELAXED_SIMD must be unset, 0, or 1 (got: ${WASM_RELAXED_SIMD})" >&2
+    exit 1
+    ;;
+esac