PDF.h
Go to the documentation of this file.00001 /************************************************************************ 00002 * Copyright (C) 2012 Eindhoven University of Technology (TU/e). * 00003 * All rights reserved. * 00004 ************************************************************************ 00005 * Redistribution and use in source and binary forms, with or without * 00006 * modification, are permitted provided that the following conditions * 00007 * are met: * 00008 * * 00009 * 1. Redistributions of source code must retain the above * 00010 * copyright notice, this list of conditions and the following * 00011 * disclaimer. * 00012 * * 00013 * 2. Redistributions in binary form must reproduce the above * 00014 * copyright notice, this list of conditions and the following * 00015 * disclaimer in the documentation and/or other materials * 00016 * provided with the distribution. * 00017 * * 00018 * THIS SOFTWARE IS PROVIDED BY TU/e "AS IS" AND ANY EXPRESS OR * 00019 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * 00020 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * 00021 * ARE DISCLAIMED. IN NO EVENT SHALL TU/e OR CONTRIBUTORS BE LIABLE * 00022 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * 00023 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * 00024 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * 00025 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * 00026 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * 00027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * 00028 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH * 00029 * DAMAGE. * 00030 * * 00031 * The views and conclusions contained in the software and * 00032 * documentation are those of the authors and should not be * 00033 * interpreted as representing official policies, either expressed or * 00034 * implied, of TU/e. * 00035 ************************************************************************/ 00036 00037 #ifndef PROBLIB_PDF_H_ 00038 #define PROBLIB_PDF_H_ 00039 00040 #include "problib/globals.h" 00041 00042 namespace pbl { 00043 00044 class Gaussian; 00045 class Mixture; 00046 00047 class PDF { 00048 00049 public: 00050 00051 enum PDFType { 00052 GAUSSIAN, 00053 MIXTURE, 00054 UNIFORM, 00055 DISCRETE, 00056 EXACT, 00057 HYBRID, 00058 UNKNOWN 00059 }; 00060 00061 PDF(int dimensions, PDFType type); 00062 00063 PDF(const PDF& orig); 00064 00065 virtual ~PDF(); 00066 00067 virtual PDF* clone() const = 0; 00068 00069 //virtual double getDensity(const arma::vec& v) const = 0; 00070 00071 virtual double getMaxDensity() const = 0; 00072 00073 virtual bool getExpectedValue(std::string& v) const; 00074 00075 virtual bool getExpectedValue(arma::vec& v) const; 00076 00077 virtual double getLikelihood(const PDF& pdf) const = 0; 00078 00079 int dimensions() const; 00080 00081 PDFType type() const; 00082 00083 virtual std::string toString(const std::string& indent = "") const = 0; 00084 00085 protected: 00086 00087 int dimensions_; 00088 00089 PDFType type_; 00090 00091 }; 00092 00093 } 00094 00095 #endif /* PDF_H_ */