--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/test/test_ltpda_cpsd.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,42 @@
+% Test ltpda_cpsd functionality.
+%
+% M Hewitson 13-02-07
+%
+% $Id: test_ltpda_cpsd.m,v 1.23 2009/04/07 17:45:22 ingo Exp $
+%
+function test_ltpda_cpsd()
+  
+  % Make test AOs
+  
+  nsecs = 10;
+  fs    = 1000;
+  pl = plist('nsecs', nsecs, 'fs', fs, 'tsfcn', 'sin(2*pi*7.433*t) + randn(size(t))');
+  
+  a1 = ao(pl);
+  a2 = ao(pl);
+  
+  % Filter one time-series
+  % Make a filter
+  pl = plist('type', 'bandpass', 'fs', 1000, 'order', 3, 'fc', [50 250]);
+  f2 = miir(pl);
+  
+  % filter the input data
+  [a3, f2] = filter(a1,plist(param('filter', f2)));
+  
+  % make some cross-power
+  a4 = a3+a2;
+  
+  % Make CPSD
+  a8 = cpsd(a1, a4);
+  
+  % Plot results and history
+  iplot(a8);
+  plot(a8.hist);
+  
+  % Reproduce from history
+  a_out = rebuild(a8);
+  
+  iplot(a_out)
+  plot(a_out.hist)
+  
+end
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