# HG changeset patch
# User Chris Cannam <c.cannam@qmul.ac.uk>
# Date 1399368901 -3600
# Node ID 4744a44dcfb16f19e5ae22160d1cab864a3a3031
# Parent  ca607a7d928ace011a99afb12e0558b67e95e94c
Print warning

diff -r ca607a7d928a -r 4744a44dcfb1 maths/MedianFilter.h
--- a/maths/MedianFilter.h	Wed Apr 30 16:59:08 2014 +0100
+++ b/maths/MedianFilter.h	Tue May 06 10:35:01 2014 +0100
@@ -47,7 +47,10 @@
     }
 
     void push(T value) {
-        if (value != value) return; // nan
+        if (value != value) {
+            std::cerr << "WARNING: MedianFilter::push: attempt to push NaN" << std::endl;
+            return; // nan
+        }
 	drop(m_frame[0]);
 	const int sz1 = m_size-1;
 	for (int i = 0; i < sz1; ++i) m_frame[i] = m_frame[i+1];