It works!!!!!!

include/constants.hpp

@@ -0,0 +1,11 @@
+#pragma once
+
+namespace Constants {
+constexpr int maxIterations{2000};
+constexpr int windowWidth{600};
+constexpr int windowHeight{600};
+constexpr double posRealRange{3.0};
+constexpr double negRealRange{-3.0};
+constexpr double posImagRange{3.0};
+constexpr double negImagRange{-3.0};
+} // Namespace Constants

include/mandelbrot.hpp

@@ -0,0 +1,3 @@
+#pragma once
+
+int calculateMandelbrot(double cReal, double cImag);