hex output

polar_rs/src/coding.cpp

@@ -360,7 +360,7 @@ Coding::foldToBytes(vector<uint8_t>* input, unsigned int output_length)
     if(!output) throw new bad_alloc();
 
 #ifdef TEST
-    cout << "fold to bytes, Output:" << endl;
+    cout << "fold to bytes, Output:" << hex << endl;
 #endif // TEST
 
     for(unsigned int i = 0; i < output_length; i++)