Fittet new functions to everying in neural networks. Still need to optimise for uint64_t vs int64_t and vec vs mat in some places.

include/utils/matcast.h

@@ -1,7 +1,7 @@
 #pragma once
 
-#include "./core/omp_config.h"
-#include "./utils/matrix.h"
+#include "core/omp_config.h"
+#include "utils/matrix.h"
 
 
 namespace utils{

include/utils/utils.h

@@ -6,3 +6,4 @@
 #include "./utils/generators.h"
 #include "./utils/random.h"
 #include "./utils/matcast.h"
+#include "./utils/veccast.h"

include/utils/veccast.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include "core/omp_config.h"
+#include "utils/matrix.h"
+
+
+namespace utils{
+
+    template <typename To, typename From>
+    void inplace_veccast(const utils::Vector<From>& a, utils::Vector<To>& b) {
+        if (a.size() != b.size()){
+            throw std::runtime_error("inplace_veccast: dimension mismatch");
+        }
+
+        uint64_t n = a.size();
+
+        for (uint64_t i = 0; i < n; ++i){
+            b[i] = static_cast<To>(a[i]);
+        }
+    }
+
+
+    template <typename To, typename From>
+    utils::Vector<To> veccast(const utils::Vector<From>& a) {
+        utils::Vector<To> b(a.size(), To{0});
+
+        inplace_veccast(a,b);
+
+        return b;
+    }
+
+} // end namespace utils
+