CatagoricalCrossentrophy

Fixed the loss functions for categories and is ready for accuracy calculation on page 129

include/numerics/vecmax.h

@@ -0,0 +1,22 @@
+#pragma once
+
+
+#include "./utils/vector.h"
+
+namespace numerics{
+	
+
+
+	template <typename T>
+	T vecmax(const utils::Vector<T>& a){
+		T max_value(T{0});
+		uint64_t N = a.size();
+
+		for (uint64_t i = 0; i < N; ++i){
+			max_value = numerics::max(max_value, a[i]);
+		}
+		return max_value;
+	}
+
+} // namespace numerics
+