whoops, no ability to add comments in between functions in pseudocode

[openpower-isa.git] / src / openpower / decoder / isa / fastdctlee.py

diff --git a/src/openpower/decoder/isa/fastdctlee.py b/src/openpower/decoder/isa/fastdctlee.py
index 8b9258e977d6357b305c8cef0c9139c17c241be1..40444d4c6b477cb136bd4d3c51fdda87d7d21c76 100644 (file)
--- a/src/openpower/decoder/isa/fastdctlee.py
+++ b/src/openpower/decoder/isa/fastdctlee.py
@@ -323,6 +323,9 @@ def inverse_transform(vector, root=True, indent=0):
 # totally cool *in-place* DCT algorithm
 def inverse_transform_iter(vec):
 
+    # in-place, but actually have to protect the input list!
+    vec = deepcopy(vec)
+
     # Initialization
     n = len(vec)
     print ()