Update doc

stan-dev · Jan 4, 2025 · 95ce763 · 95ce763
1 parent f7d56d5
commit 95ce763
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
@@ -78,7 +78,8 @@ jobs:
         if: ${{ matrix.config.os == 'macOS-latest' }}
         run: |
           brew install pocl
-          # Set LDLIBS_OPENCL environment variable
+          # Set LDLIBS_OPENCL environment variable so that CPU OpenCL is found
+          # instead of Apple's GPU OpenCL - which does not support double precision
           echo "LDLIBS_OPENCL=-L'/opt/homebrew/opt/opencl-icd-loader/lib' -lOpenCL" >> $GITHUB_ENV
         shell: bash