nan fix

vllm/poc/data.py

@@ -83,6 +83,8 @@ def is_mismatch(
 ) -> bool:
     """Check if vectors differ beyond threshold."""
     received = decode_vector(received_b64)
+    if not np.all(np.isfinite(received)):
+        return True
     distance = float(np.linalg.norm(computed_vector - received))
     return distance > dist_threshold
 

vllm/poc/validation.py

@@ -32,8 +32,13 @@ def validate_artifacts(
 
         computed_vec = decode_vector(artifact["vector_b64"])
         received_vec = decode_vector(received_b64)
-        distance = float(np.linalg.norm(computed_vec - received_vec))
 
+        if not np.all(np.isfinite(received_vec)):
+            n_mismatch += 1
+            mismatch_nonces.append(nonce)
+            continue
+
+        distance = float(np.linalg.norm(computed_vec - received_vec))
         if distance > dist_threshold:
             n_mismatch += 1
             mismatch_nonces.append(nonce)