possibly loaded 3d array to device?

src/hurricanedata/datareader.cu

@@ -22,4 +22,33 @@ std::vector<float> readData(std::string path, std::string variableName) {
     var.getVar(vec.data());
 
     return vec;
+}
+
+struct cudaArray* loadDataToDevice(std::string path, std::string variableName) {
+    netCDF::NcFile data(path, netCDF::NcFile::read);
+
+    multimap<string, NcVar> vars = data.getVars();
+
+    NcVar var = vars.find(variableName)->second;   
+
+    struct cudaChannelFormatDesc arrayType = {
+        .x = 32,
+        .y = 0,
+        .z = 0,
+        .w = 0,
+        .f = cudaChannelFormatKindFloat
+    }; // Float-32
+    
+    struct cudaExtent extent = {
+        .width = var.getDim(3).getSize(), // longitude
+        .height = var.getDim(2).getSize(), // latitude
+        .depth = var.getDim(1).getSize(), // level
+    };
+
+    struct cudaArray *array;
+
+    cudaError_t error = cudaMalloc3DArray(&array, &arrayType, extent, 0);
+    cout << "cuda error: " << error << "\n";
+
+    return array;
 }