CatagoricalCrossentrophy

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

include/numerics/veclog.h

@@ -0,0 +1,30 @@
+#pragma once
+
+
+#include "./utils/vector.h"
+#include "./utils/matrix.h"
+
+
+namespace numerics{
+	
+
+	template <typename T>
+	void inplace_veclog(utils::Vector<T>& a){
+
+		const uint64_t N = a.size();
+
+		for (uint64_t i = 0; i < N; ++i){
+			numerics::inplace_log(a[i]);
+		}
+	}
+
+	template <typename T>
+	utils::Vector<T> veclog(const utils::Vector<T>& a){
+
+		utils::Vector<T> b = a;
+		inplace_veclog(b);
+		return b;
+	}
+
+} // namespace numerics
+