Neural Network

Started on implementing neural network from NNFS. I've done ReLU and stopped at p.104. Softmax is not ready.

include/utils/vector.h

@@ -5,6 +5,8 @@
 #include <vector>
 #include <random>
 
+#include <initializer_list>  
+
 
 #include <cstdint>
 #include <type_traits>
@@ -31,6 +33,9 @@ public:
 	        v.resize(size, value);
 	    }
 
+		// Construct from a braced list: utils::Vf v{1,2,3};
+		Vector(std::initializer_list<T> init) : v(init) {}
+
 
 
 	    //##########################################################
@@ -47,6 +52,13 @@ public:
 		// a = vector[2];
 		const T& operator[](uint64_t idx) const { return v[idx]; }
 
+
+		// Assign from a braced list after default construction:
+		Vector& operator=(std::initializer_list<T> init) {
+		    v = init;
+		    return *this;
+		}
+
 		// vector.size();
 		uint64_t size() const noexcept { return v.size(); }