Add deprecated warning

gwastro · Dec 2, 2024 · 34fb40e · 34fb40e
1 parent 1c49374
commit 34fb40e
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/pycbc/scheme.py b/pycbc/scheme.py
@@ -126,6 +126,13 @@ def __init__(self, device_num=None):
     def __enter__(self):
         super().__enter__()
         self.cuda_device.__enter__()
+        logging.warn(
+            "You are using the CUPY GPU backend for PyCBC. This backend is "
+            "still only a prototype. It may be useful for your application "
+            "but it may fail unexpectedly, run slowly, or not give correct "
+            "output. Please do contribute to the effort to develop this "
+            "further."
+        )
 
     def __exit__(self, *args):
         super().__exit__(*args)