# HG changeset patch
# User Chris Cannam
# Date 1369393064 -3600
# Node ID 97741fe162058fb9a72a3e44687c1ed425fa0cb1
# Parent  98d54183d0f8d210f50149fe9b526218c4cd09ca
Comment about periodic windows

diff -r 98d54183d0f8 -r 97741fe16205 base/Window.h
--- a/base/Window.h	Thu May 16 15:00:20 2013 +0100
+++ b/base/Window.h	Fri May 24 11:57:44 2013 +0100
@@ -41,7 +41,11 @@
 {
 public:
     /**
-     * Construct a windower of the given type.
+     * Construct a windower of the given type and size. 
+     *
+     * Note that the cosine windows are periodic by design, rather
+     * than symmetrical. (A window of size N is equivalent to a
+     * symmetrical window of size N+1 with the final element missing.)
      */
     Window(WindowType type, size_t size) : m_type(type), m_size(size) { encache(); }
     Window(const Window &w) : m_type(w.m_type), m_size(w.m_size) { encache(); }