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src/Math/testing/AccumulatorTest.cpp

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+/*//////////////////////////////////////////////////////////////////////////////
+// CMT Cosmic Muon Tomography project //////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+
+  Copyright (c) 2014, Universita' degli Studi di Padova, INFN sez. di Padova
+  All rights reserved
+
+  Authors: Andrea Rigoni Garola < andrea.rigoni@pd.infn.it >
+
+  ------------------------------------------------------------------
+  This library is free software;  you  can  redistribute  it  and/or
+  modify it  under the  terms  of  the  GNU  Lesser  General  Public
+  License as published  by  the  Free  Software  Foundation;  either
+  version 3.0 of the License, or (at your option) any later version.
+
+  This library is  distributed in  the hope that it will  be useful,
+  but  WITHOUT ANY WARRANTY;  without  even  the implied warranty of
+  MERCHANTABILITY  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of  the GNU Lesser General  Public
+  License along with this library.
+
+//////////////////////////////////////////////////////////////////////////////*/
+
+
+
+
+#include "Math/Accumulator.h"
+#include "testing-prototype.h"
+
+#include <TRandom.h>
+
+
+//#include <boost/accumulators/framework/accumulator_set.hpp>
+//#include <boost/accumulators/statistics/count.hpp>
+//#include <boost/accumulators/accumulators.hpp>
+
+using namespace uLib;
+
+int test_ABTrim() {
+
+    Accumulator_ABTrim<float> acc;
+
+    acc.SetABTrim(1,1);
+
+    Vector<float> v;
+    v << 1,5,5,5,300;
+
+    for(Vector<float>::Iterator itr=v.begin(); itr<v.end(); itr++)
+        acc += *itr;
+
+    std::cout << "Accumulating  Trim(1,1) vector: "
+              << v << " ... out = " << acc() << "\n";
+
+    return( acc() == 15.0 );
+
+}
+
+
+int test_Mean() {
+    Accumulator_Mean<float> mean;
+    TRandom rnd;
+    const int c = 10000000;
+    Vector<float> v;
+    v.reserve(c);
+    for(int i=0;i<c;++i) v.push_back( rnd.Gaus(2000,5) );
+
+    float m = 0;
+    for(int i=0;i<c;++i) m += v[i];
+    m /= c;
+    std::cout << "simple mean: " << m << "\n";
+
+    for(int i=0;i<c;++i) mean(v[i]);
+    std::cout << "mean pass: " << mean() << "\n";
+    mean.AddPass();
+    for(int i=0;i<c;++i) mean(v[i]);
+    std::cout << "mean pass: " << mean() << "\n";
+    mean.AddPass();
+    for(int i=0;i<c;++i) mean(v[i]);
+    std::cout << "mean pass: " << mean() << "\n";
+    mean.AddPass();
+    for(int i=0;i<c;++i) mean(v[i]);
+    std::cout << "mean pass: " << mean() << "\n";
+    mean.AddPass();
+    for(int i=0;i<c;++i) mean(v[i]);
+    std::cout << "mean pass: " << mean() << "\n";
+    mean.AddPass();
+    for(int i=0;i<c;++i) mean(v[i]);
+    std::cout << "mean pass: " << mean() << "\n";
+    mean.AddPass();
+    for(int i=0;i<c;++i) mean(v[i]);
+    std::cout << "mean pass: " << mean() << "\n";
+
+
+}
+
+
+
+
+int main(void) {
+    BEGIN_TESTING(Accumulator);
+
+    //TEST1( test_ABTrim() );
+    test_Mean();
+
+    END_TESTING;
+}