The fix 2545b3fc6e8e67c8c27f6f9bfb2d20cd2060234f for #26 unfortunately introduces artifacts in OSPRay (from test `TestScenesVolumes_FromOsprayTesting.test_scenes_20`): | rendered | reference | diff | |----|----|----| |<img width="1024" height="768" alt="Image" src="https://github.com/user-attachments/assets/838fee56-60b1-405d-bb1f-188dc9e693d6" />|<img width="1024" height="768" alt="Image" src="https://github.com/user-attachments/assets/24cecf79-7d43-4053-adbd-2b7bc6f53403" />|<img width="1024" height="768" alt="Image" src="https://github.com/user-attachments/assets/fd56738d-f995-4e06-a7d6-d9a557c5560b" />| It's triggered by making the bounds an ULP smaller in [devices/cpu/volume/amr/AMRData.cpp:30](https://github.com/RenderKit/openvkl/blob/master/openvkl/devices/cpu/volume/amr/AMRData.cpp#L30).