Fixed compilation error due to obsolete internal::abs and internal::sqrt function calls

2 files changed, 2 insertions, 2 deletions

diff --git a/demos/opengl/quaternion_demo.cpp b/demos/opengl/quaternion_demo.cpp
index 04165619b..dd323a4c9 100644
--- a/demos/opengl/quaternion_demo.cpp
+++ b/demos/opengl/quaternion_demo.cpp
@@ -234,7 +234,7 @@ void RenderingWidget::drawScene()
   gpu.drawVector(Vector3f::Zero(), length*Vector3f::UnitZ(), Color(0,0,1,1));
 
   // draw the fractal object
-  float sqrt3 = internal::sqrt(3.);
+  float sqrt3 = std::sqrt(3.);
   glLightfv(GL_LIGHT0, GL_AMBIENT, Vector4f(0.5,0.5,0.5,1).data());
   glLightfv(GL_LIGHT0, GL_DIFFUSE, Vector4f(0.5,1,0.5,1).data());
   glLightfv(GL_LIGHT0, GL_SPECULAR, Vector4f(1,1,1,1).data());
diff --git a/demos/opengl/trackball.cpp b/demos/opengl/trackball.cpp
index 77ac790c8..7c2da8e96 100644
--- a/demos/opengl/trackball.cpp
+++ b/demos/opengl/trackball.cpp
@@ -23,7 +23,7 @@ void Trackball::track(const Vector2i& point2D)
   {
     Vector3f axis = mLastPoint3D.cross(newPoint3D).normalized();
     float cos_angle = mLastPoint3D.dot(newPoint3D);
-    if ( internal::abs(cos_angle) < 1.0 )
+    if ( std::abs(cos_angle) < 1.0 )
     {
       float angle = 2. * acos(cos_angle);
       if (mMode==Around)