Brought DualComplex into Magnum namespace.

src/Magnum.h

@@ -120,6 +120,9 @@ typedef Math::Matrix4<GLdouble> Matrix4d;
 /** @brief %Complex number */
 typedef Math::Complex<GLfloat> Complex;
 
+/** @brief %Dual complex number */
+typedef Math::DualComplex<GLfloat> DualComplex;
+
 /** @brief %Quaternion */
 typedef Math::Quaternion<GLfloat> Quaternion;
 

src/Math/DualComplex.h

@@ -30,7 +30,7 @@ namespace Magnum { namespace Math {
 @tparam T   Underlying data type
 
 Represents 2D rotation and translation.
-@see Dual, Complex, Matrix3
+@see Magnum::DualComplex, Dual, Complex, Matrix3
 @todo Can this be done similarly as in dual quaternions? It sort of works, but
     the math beneath is weird.
 */