diff --git a/include/ngl/ShaderLib.h b/include/ngl/ShaderLib.h
index e85c3bcd..7bbb54d7 100644
--- a/include/ngl/ShaderLib.h
+++ b/include/ngl/ShaderLib.h
@@ -426,6 +426,8 @@ class NGL_DLLEXPORT ShaderLib
   static std::shared_ptr< ngl::Shader > getShader(std::string_view _shaderName) noexcept;
   static bool setUniformBuffer(std::string_view _uniformBlockName, size_t _size, void *_data);
 
+  
+
     protected:
   //----------------------------------------------------------------------------------------------------------------------
   /// @brief  get shader type from string (used for json parsing)
diff --git a/src/Mat4.cpp b/src/Mat4.cpp
index dadffbd8..c84d2dcc 100644
--- a/src/Mat4.cpp
+++ b/src/Mat4.cpp
@@ -446,21 +446,21 @@ Quaternion Mat4::asQuaternion() const noexcept
   {
     case 0:
     {
-      auto S = static_cast< Real >(sqrtf(1.0f + m_openGL[0] - m_openGL[5] - m_openGL[10]) * 2.0f);
+      auto S = sqrtf(1.0f + m_openGL[0] - m_openGL[5] - m_openGL[10]) * 2.0f;
 
       return Quaternion(
         0.5f / S, (m_openGL[1] + m_openGL[4]) / S, (m_openGL[2] + m_openGL[8]) / S, (m_openGL[6] + m_openGL[9]) / S);
     }
     case 1:
     {
-      auto S = static_cast< Real >(sqrtf(1.0f + m_openGL[5] - m_openGL[0] - m_openGL[10]) * 2.0f);
+      auto S = sqrtf(1.0f + m_openGL[5] - m_openGL[0] - m_openGL[10]) * 2.0f;
 
       return Quaternion(
         (m_openGL[1] + m_openGL[4]) / S, 0.5f / S, (m_openGL[6] + m_openGL[9]) / S, (m_openGL[2] + m_openGL[8]) / S);
     }
     case 2:
     {
-      auto S = static_cast< Real >(sqrtf(1.0f + m_openGL[10] - m_openGL[0] - m_openGL[5]) * 2.0f);
+      auto S = sqrtf(1.0f + m_openGL[10] - m_openGL[0] - m_openGL[5]) * 2.0f;
 
       return Quaternion(
         (m_openGL[2] + m_openGL[8]) / S, (m_openGL[6] + m_openGL[9]) / S, 0.5f / S, (m_openGL[1] + m_openGL[4]) / S);