added tests

src/NeuralNetwork/FeedForward.cpp

@@ -71,6 +71,7 @@ FeedForward::FeedForward(std::initializer_list<size_t> s, double lam, FeedForwar
 		prev_size=layeSize;
 	}
 }
+
 FeedForward::~FeedForward()
 {
 	if(weights != nullptr)
@@ -162,6 +163,11 @@ Shin::Solution FeedForward::solve(const Shin::Problem& p)
 {
 	register float* sol=outputs[0];
 
+	if(p.size()+1 != layerSizes[0])
+	{
+		throw std::out_of_range("Wrong number of inputs");
+	}
+
 	sol[0]=1;
 	for(size_t i=0;i<p.size();i++)
 		sol[i+1]=p[i];

tests/nn-02.cpp

@@ -12,18 +12,28 @@ class X: public Shin::Problem
 		}
 };
 
+class X1: public Shin::Problem
+{
+	protected:
+		std::vector<float> representation() const
+		{
+			return std::vector<float>({1});
+		}
+};
+
 int main()
 {
-	Shin::NeuralNetwork::FeedForward n({2,4,2});
-	Shin::NeuralNetwork::FeedForward nq({2,4,2});
-	if(n[1].size() != 4)
+	NeuralNetwork::FeedForward n({2,4,2});
+	NeuralNetwork::FeedForward nq({2,4,2});
+	if(n[2].size() != 4)
 	{
-		std::cout << "Actual size:" << n[0].size();
+		std::cout << "1) Actual size:" << n[1].size();
 		return 1;
 	}
+
 	if(nq[1].size() != 4)
 	{
-		std::cout << "QUICK Actual size:" << nq[0].size();
+		std::cout << "QUICK Actual size:" << nq[1].size();
 		return 1;
 	}
 

tests/nn-05.cpp

@@ -0,0 +1,72 @@
+ 
+#include "../src/NeuralNetwork/FeedForward"
+
+#include <iostream>
+#include <stdlib.h>
+
+
+int main()
+{
+
+	srand(time(NULL));
+	NeuralNetwork::FeedForward ns({1,1});
+	ns[0][0].setPotential(0);
+	ns[1][1].setWeight(0,0);
+	ns[1][1].setWeight(1,1);
+
+	Shin::Solution ss =ns.solve(Shin::Problem({1}));
+
+	if(ss[0] < 0.689874481 || ss[0] > 0.69)
+	{
+		std::cout << "1) Wrong counter: shoul be 0.626961, is: " << ss[0];
+		return 1;
+	}
+
+	NeuralNetwork::FeedForward xorF({2,2,1},0.8);
+
+	xorF[1][1].setWeight(0,-6.06);
+	xorF[1][1].setWeight(1,-11.62);
+	xorF[1][1].setWeight(2,10.99);
+
+	xorF[1][2].setWeight(0,-7.19);
+	xorF[1][2].setWeight(1,12.88);
+	xorF[1][2].setWeight(2,-13-13);
+
+	xorF[2][1].setWeight(0,-6.56);
+	xorF[2][1].setWeight(1,13.34);
+	xorF[2][1].setWeight(2,-7.19);
+
+	ss= xorF.solve(Shin::Problem({0,1}));
+
+	if(ss[0] > 1 || ss[0] < 0.98 )
+	{
+		std::cout << "2) wrong output";
+		return 1;
+	}
+
+	ss= xorF.solve(Shin::Problem({0,1}));
+
+	if(ss[0] > 1 || ss[0] < 0.98 )
+	{
+		std::cout << "3) wrong output";
+		return 1;
+	}
+
+	ss= xorF.solve(Shin::Problem({0,0}));
+
+	if(ss[0] <0 || ss[0] > 0.06 )
+	{
+		std::cout << "4) wrong output";
+		return 1;
+	}
+
+	ss= xorF.solve(Shin::Problem({1,1}));
+
+	if(ss[0] <0 || ss[0] > 0.06 )
+	{
+		std::cout << "5) wrong output";
+		return 1;
+	}
+
+	return 0;
+}