nnfw/include/libperiodicfunctions.h
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00001 /******************************************************************************** 00002 * Neural Network Framework. * 00003 * Copyright (C) 2005-2011 Gianluca Massera <emmegian@yahoo.it> * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU General Public License as published by * 00007 * the Free Software Foundation; either version 2 of the License, or * 00008 * (at your option) any later version. * 00009 * * 00010 * This program is distributed in the hope that it will be useful, * 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00013 * GNU General Public License for more details. * 00014 * * 00015 * You should have received a copy of the GNU General Public License * 00016 * along with this program; if not, write to the Free Software * 00017 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * 00018 ********************************************************************************/ 00019 00020 #ifndef LIBPERIODICFUNCTIONS_H 00021 #define LIBPERIODICFUNCTIONS_H 00022 00023 #include "nnfwconfig.h" 00024 00030 #include "outputfunction.h" 00031 00032 namespace farsa { 00033 00037 class FARSA_NNFW_API PeriodicFunction : public OutputFunction { 00038 public: 00040 PeriodicFunction( double phase = 0.0, double span = 1.0, double amplitude = 1.0 ); 00042 virtual ~PeriodicFunction() { /* Nothing to do */ }; 00044 virtual void apply( DoubleVector& inputs, DoubleVector& outputs ) = 0; 00057 virtual void configure(ConfigurationParameters& params, QString prefix); 00067 virtual void save(ConfigurationParameters& params, QString prefix); 00068 double phase; 00069 double span; 00070 double amplitude; 00071 }; 00072 00076 class FARSA_NNFW_API SawtoothFunction : public PeriodicFunction { 00077 public: 00079 SawtoothFunction( double phase = 0.0, double span = 1.0, double amplitude = 1.0 ); 00081 virtual ~SawtoothFunction() { /* Nothing to do */ }; 00083 virtual void apply( DoubleVector& inputs, DoubleVector& outputs ); 00094 virtual void configure(ConfigurationParameters& params, QString prefix); 00102 virtual void save(ConfigurationParameters& params, QString prefix); 00103 }; 00104 00108 class FARSA_NNFW_API TriangleFunction : public PeriodicFunction { 00109 public: 00111 TriangleFunction( double phase = 0.0, double span = 1.0, double amplitude = 1.0 ); 00113 virtual ~TriangleFunction() { /* Nothing to do */ }; 00115 virtual void apply( DoubleVector& inputs, DoubleVector& outputs ); 00126 virtual void configure(ConfigurationParameters& params, QString prefix); 00134 virtual void save(ConfigurationParameters& params, QString prefix); 00135 }; 00136 00140 class FARSA_NNFW_API SinFunction : public PeriodicFunction { 00141 public: 00143 SinFunction( double phase = 0.0, double span = 1.0, double amplitude = 1.0 ); 00145 virtual ~SinFunction() { /* Nothing to do */ }; 00149 double frequency(); 00151 virtual void apply( DoubleVector& inputs, DoubleVector& outputs ); 00162 virtual void configure(ConfigurationParameters& params, QString prefix); 00170 virtual void save(ConfigurationParameters& params, QString prefix); 00171 }; 00172 00176 class FARSA_NNFW_API PseudoGaussFunction : public PeriodicFunction { 00177 public: 00179 PseudoGaussFunction( double phase = 0.0, double span = 1.0, double amplitude = 1.0 ); 00181 virtual ~PseudoGaussFunction() { /* Nothing to do */ }; 00183 virtual void apply( DoubleVector& inputs, DoubleVector& outputs ); 00194 virtual void configure(ConfigurationParameters& params, QString prefix); 00202 virtual void save(ConfigurationParameters& params, QString prefix); 00203 }; 00204 00205 } 00206 00207 #endif 00208