code: public Vector4d fma(Vector4dc a, Vector4dc b, Vector4d dest) {
          dest.x = x + a.x() * b.x();
          dest.y = y + a.y() * b.y();
          dest.z = z + a.z() * b.z();
          dest.w = w + a.w() * b.w();
          return dest;
      }
docs: /* (non-Javadoc)
  @see org.joml.Vector4dc#fma(org.joml.Vector4dc, org.joml.Vector4dc, org.joml.Vector4d)