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histogram.h00001 /* 00002 * Orca-Robotics Project: Components for robotics 00003 * http://orca-robotics.sf.net/ 00004 * Copyright (c) 2004-2009 Alex Brooks, Alexei Makarenko, Tobias Kaupp 00005 * 00006 * This copy of Orca is licensed to you under the terms described in 00007 * the LICENSE file included in this distribution. 00008 * 00009 */ 00010 00011 #ifndef HISTOGRAM_H 00012 #define HISTOGRAM_H 00013 00014 #include <string> 00015 #include <vector> 00016 00017 namespace delaymon 00018 { 00019 00020 // not thread-safe 00021 class Histogram 00022 { 00023 public: 00024 // start, end, stride in [ms] 00025 // stride must be positive 00026 // histogram must have at least 1 bin 00027 Histogram( int startEdge, int endEdge, int stride, const std::string& fileprefix ); 00028 ~Histogram(); 00029 00030 void addValue( int ); 00031 00032 const std::vector<int>& counters() const { return counters_; }; 00033 00034 // -inf and +inf are not included even though those values are counted 00035 std::vector<int> edges() const; 00036 00037 std::string toString() const; 00038 00039 private: 00040 // the bins are defined as follows: 00041 // [-inf, start) 00042 // [start, start+stride) 00043 // [start+strid, start+2*stride) 00044 // ... 00045 // [start+N-1*stride, start+N*stride) 00046 // [start+N*stride, +inf) 00047 // 00048 // where (start+N*stride) <= end 00049 std::vector<int> counters_; 00050 int start_; 00051 int end_; 00052 int stride_; 00053 00054 int bin( int value ); 00055 00056 std::ofstream *file_; 00057 }; 00058 00059 } // namespace 00060 00061 #endif |
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