2 files changed, 11 insertions, 0 deletions
diff --git a/intern/itasc/kdl/frames.hpp b/intern/itasc/kdl/frames.hpp
index 2a1ed3296f9..28a59898e20 100644
--- a/intern/itasc/kdl/frames.hpp
+++ b/intern/itasc/kdl/frames.hpp
@@ -201,6 +201,9 @@ public:
      //! Adds a vector from the Vector object itself
      inline Vector& operator +=(const Vector& arg);
 
+     //! Multiply by a scalar
+     inline Vector& operator *=(double arg);
+
      //! Scalar multiplication is defined
      inline friend Vector operator*(const Vector& lhs,double rhs);
      //! Scalar multiplication is defined
diff --git a/intern/itasc/kdl/frames.inl b/intern/itasc/kdl/frames.inl
index ff1307766bf..65c6148cd8e 100644
--- a/intern/itasc/kdl/frames.inl
+++ b/intern/itasc/kdl/frames.inl
@@ -143,6 +143,14 @@ Vector& Vector::operator -=(const Vector & arg)
     return *this;
 }
 
+Vector& Vector::operator *=(double arg)
+{
+	data[0] *= arg;
+	data[1] *= arg;
+	data[2] *= arg;
+	return *this;
+}
+
 Vector Vector::Zero()
 {
     return Vector(0,0,0);