1 files changed, 19 insertions, 0 deletions
diff --git a/src/gui/math3d/qvector4d.cpp b/src/gui/math3d/qvector4d.cpp
index 7ced99dfeb..2247e95d5e 100644
--- a/src/gui/math3d/qvector4d.cpp
+++ b/src/gui/math3d/qvector4d.cpp
@@ -225,6 +225,25 @@ QVector4D::QVector4D(const QVector3D& vector, float wpos)
     \sa w(), setX(), setY(), setZ()
 */
 
+/*! \fn float &QVector4D::operator[](int i)
+    \since 5.2
+
+    Returns the component of the vector at index position \a i
+    as a modifiable reference.
+
+    \a i must be a valid index position in the vector (i.e., 0 <= \a i
+    < 4).
+*/
+
+/*! \fn float QVector4D::operator[](int i) const
+    \since 5.2
+
+    Returns the component of the vector at index position \a i.
+
+    \a i must be a valid index position in the vector (i.e., 0 <= \a i
+    < 4).
+*/
+
 /*!
     Returns the length of the vector from the origin.