SKIP: FAILED fn isNormal_c6e880() { var res : bool = isNormal(1.0); } [[stage(vertex)]] fn vertex_main() { isNormal_c6e880(); } [[stage(fragment)]] fn fragment_main() { isNormal_c6e880(); } [[stage(compute)]] fn compute_main() { isNormal_c6e880(); } Failed to generate: error: is_normal not supported in HLSL backend yet