removed some functional stuff

linear-interpolation/src/UVGrid.cpp

@@ -2,7 +2,6 @@
 
 #include "UVGrid.h"
 #include "readdata.h"
-#include "to_vector.h"
 
 #define sizeError2 "The sizes of the hydrodynamic data files are different"
 #define sizeError "The sizes of the hydrodynamicU or -V files does not correspond with the sizes of the grid file"
@@ -27,12 +26,11 @@ UVGrid::UVGrid() {
         throw domain_error(sizeError);
     }
 
-  uvData = to_vector(views::transform(views::zip(us, vs), [](auto pair){return Vel(pair);}));
-//     uvData = views::zip(us, vs)
-//              | views::transform([](auto pair) {
-//         return Vel(pair);
-//     })
-// | ranges::to<vector>();
+    uvData.reserve(gridSize);
+
+    for (auto vel: views::zip(us, vs)) {
+        uvData.push_back(Vel(vel));
+    }
 }
 
 const Vel &UVGrid::operator[](size_t timeIndex, size_t latIndex, size_t lonIndex) const {
@@ -52,12 +50,12 @@ int UVGrid::timeStep() const {
     return times[1] - times[0];
 }
 
-void UVGrid::printSlice(size_t t) {
+void UVGrid::streamSlice(ostream &os, size_t t) {
     for (int x = 0; x < latSize; x++) {
         for (int y = 0; y < lonSize; y++) {
-            auto [u,v] = (*this)[t,x,y];
-            printf("%7.4f, %7.4f", u, v);
+            auto vel = (*this)[t,x,y];
+            os << vel << " ";
         }
-      cout << endl;
+      os << endl;
     }
 }