Fix more narrow conversion warnings

examples/dom/gauge.cpp

@@ -5,12 +5,13 @@
 #include "ftxui/dom/elements.hpp"
 #include "ftxui/screen/screen.hpp"
 
+
 int main(int argc, const char* argv[]) {
   using namespace ftxui;
   using namespace std::chrono_literals;
 
   std::string reset_position;
-  for (float percentage = 0; percentage <= 1.0; percentage += 0.002) {
+  for (float percentage = 0.0f; percentage <= 1.0f; percentage += 0.002f) {
     std::wstring data_downloaded =
         std::to_wstring(int(percentage * 5000)) + L"/5000";
     // clang-format off

examples/dom/graph.cpp

@@ -7,18 +7,19 @@
 #include "ftxui/screen/screen.hpp"
 #include "ftxui/screen/string.hpp"
 
+
 class Graph {
  public:
   std::vector<int> operator()(int width, int height) {
     std::vector<int> output(width);
     for (int i = 0; i < width; ++i) {
       float v = 0;
-      v += 0.1 * sin((i + shift) * 0.1);
+      v += 0.1f * sin((i + shift) * 0.1f);
-      v += 0.2 * sin((i + shift + 10) * 0.15);
+      v += 0.2f * sin((i + shift + 10) * 0.15f);
-      v += 0.1 * sin((i + shift) * 0.03);
+      v += 0.1f * sin((i + shift) * 0.03f);
       v *= height;
-      v += 0.5 * height;
+      v += 0.5f * height;
-      output[i] = v;
+      output[i] = static_cast<int>(v);
     }
     return output;
   }