- added statistics folder

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/cpp@1042 b431acfa-c32f-4a4a-93f1-934dc6c82436
2022-06-20 10:58:03 +00:00
parent dce7a3cade
commit a7976e4365
2 changed files with 137 additions and 0 deletions
@@ -0,0 +1,58 @@
+#ifndef _STATISTICS_SLIDINGMINMAX_HPP_
+#define _STATISTICS_SLIDINGMINMAX_HPP_
+
+#pragma once
+
+#include <cpp/radio/Vector.hpp>
+#include <cpp/radio/statistics/SlidingMinMax.hpp>
+#include <stddef.h>
+#include <blaze/Blaze.h>
+
+
+namespace Radio
+{
+namespace Statistics
+{
+
+// Sliding Min/Max based on MAXLIST-Algorithm, based on:
+// "AN EFFICIENT ALGORITHM FOR RUNNING MAX MIN CALCULATION", 1996, S.C. Douglas, University of Utah
+// Dependeding on 'mode' this algorithm calculates either minimum (mode = -1) or maximum (mode = +1)
+template <typename T>
+class SlidingMinMax
+{
+public:
+    enum Mode
+    {
+        Min,
+        Max
+    };
+
+    SlidingMinMax(Mode mode, size_t L, T P);
+    ~SlidingMinMax();
+    void process(T const &xin);
+    T getWinner()
+    {
+        return m_win_value;
+    }
+private:
+	size_t m_L;
+	T m_P;
+	size_t m_N;
+	Mode m_mode;
+	RealScalar m_mode_value;
+	T m_win_value;
+	size_t m_win_index;
+
+	blaze::DynamicVector<T> m_pU;
+	blaze::DynamicVector<T> m_pU_last;
+	blaze::DynamicVector<size_t> m_pP;
+	blaze::DynamicVector<size_t> m_pP_last;
+
+};
+
+#include "SlidingMinMax.tcc"
+
+} // Statistics
+} // Radio
+
+#endif // _STATISTICS_SLIDINGMINMAX_HPP_