function testresult = percentile_test()
% PERCENTILE_TEST  One line description goes here
%  
% More detailed description of the test goes here.
%
%
%   See also 

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%% Version <http://svnbook.red-bean.com/en/1.5/svn.advanced.props.special.keywords.html>
% Created: 04 Nov 2010
% Created with Matlab version: 7.11.0.584 (R2010b)

% $Id$
% $Date$
% $Author$
% $Revision$
% $HeadURL$
% $Keywords: $

MTestCategory.Unit;

%% basic testcase
x    = (0.5:99.5)';
pct  = (0:0.1:100)';
val  = percentile(x,pct);

testresult(1) = ...
    max (pct-val)-.5<eps(10) &&...
    mean(pct-val)   <eps(10);

%% compare with median function
x             = peaks(50);
pct           = 50;
testresult(2) = all(abs(median(x) - percentile(x,pct)) < eps(max(x))); 

%% combine test results
testresult = all(testresult);

