www.pudn.com > 基于VC的神经网络开发程序包(源码).rar > Layer.cpp

#include "../include/Layer.h" 
#include "../include/Exception.h" 
 
using namespace std; 
 
namespace annie 
{ 
 
const int Layer::MAX_LAYER_SIZE = MAX_NEURONS_IN_LAYER; 
 
Layer::Layer(int label) 
{ 
	_size = 0; 
	_label = label; 
} 
 
Layer::~Layer() 
{ 
	vector::iterator it; 
	while (!_neurons.empty()) 
	{ 
		it = _neurons.begin(); 
		delete *it; 
		it = _neurons.erase(it); 
	} 
} 
 
VECTOR 
Layer::getActivation() 
{ 
	VECTOR answer; 
	vector::iterator it; 
	for (it = _neurons.begin(); it!=_neurons.end(); it++) 
	{ 
		Neuron *n = (Neuron *)(*it); 
		answer.push_back(n->getActivation()); 
	} 
	return answer; 
} 
 
VECTOR 
Layer::getOutput() 
{ 
	VECTOR answer; 
	vector::iterator it; 
	for (it = _neurons.begin(); it!=_neurons.end(); it++) 
	{ 
		Neuron *n = (Neuron *)(*it); 
		answer.push_back(n->getOutput()); 
	} 
	return answer; 
} 
 
Neuron & 
Layer::getNeuron(int i) 
{ 
	if (i<0 || i>=getSize()) 
	{ 
		string error(getClassName()); 
		error = error + "::getNeuron() - Invalid index specified"; 
		throw Exception(error); 
	} 
	return *(_neurons[i]); 
} 
 
int 
Layer::getSize() 
{	return _size;	} 
 
int 
Layer::getLabel() 
{	return _label;	} 
 
void 
Layer::addNeuron(Neuron *nrn) 
{ 
	_neurons.push_back(nrn); 
	_size++; 
} 
 
const char * 
Layer::getClassName() 
{	return "Layer";	} 
 
}; //namespace annie