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spikingneuron.hGo to the documentation of this file.00001 00005 #ifndef _SPIKINGNEURON_H_ 00006 #define _SPIKINGNEURON_H_ 00007 00008 #include "neuron.h" 00009 #include "csimlist.h" 00010 #include "spikingsynapse.h" 00011 00012 00014 00022 class SpikingNeuron : public Neuron { 00023 00024 public: 00025 00026 SpikingNeuron(void); 00027 00029 virtual ~SpikingNeuron(); 00030 00032 virtual void reset(void); 00033 00034 virtual double nextstate(void) { 00035 outSpike = hasFired; 00036 if ( hasFired ) saveSpike(); 00037 return hasFired; 00038 }; 00039 00040 virtual void force(double s) { 00041 outSpike = s; 00042 }; 00043 00044 virtual void output(void) { 00045 if ( outSpike ) propagateSpike(); 00046 }; 00047 00049 virtual int fired(void) { return hasFired; }; 00050 00052 virtual int isRefractory(void) { return 0; }; 00053 00055 inline int nSpikes(void) { return nEmittedSpikes; }; 00056 00058 inline double spikeTime(int i) { return Spikes[i]; }; 00059 00061 void copySpikes(double *buffer) { 00062 memcpy(buffer,Spikes,sizeof(double)*nEmittedSpikes); 00063 } 00064 00066 virtual int addIncoming(Advancable *S); 00067 00069 virtual int addOutgoing(Advancable *S); 00070 00071 protected: 00073 bool hasFired; 00074 00075 00076 private: 00077 // SpikingInputNeuron will be a friend bcs. it will call 00078 // propagateSpike ans saveSpike directly such that it can not be 00079 // forced. 00080 friend class SpikingInputNeuron; 00081 00083 bool outSpike; 00084 00086 void propagateSpike(void); 00087 00089 void saveSpike(void); 00090 00092 double *Spikes; 00093 00095 int nEmittedSpikes; 00096 00098 int nSpikesAlloc; 00099 00101 struct SpikeDest { 00102 SpikeDest(SpikingSynapse *s, pSpikeHandler h, float *d) {synapse=s; spikeHandler=h; delay=d;} 00103 SpikingSynapse *synapse; 00104 pSpikeHandler spikeHandler; // pointer at member function which handles the spike 00105 float *delay; 00106 }; 00107 00108 csimList<SpikeDest,100> SpikeReceiver; 00109 }; 00110 00111 #endif | |||||||||||
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| (C) 2003, Thomas Natschläger | last modified 07/10/2006 |
