In classes GreenOperator2D and GreenOperator3D, method _update() now takes a pointer to double, instead of the components of the wave-vector k.
In classes GreenOperator2D and GreenOperator3D, method _update() now takes a
pointer to double, instead of the components of the wave-vector k.

sbrisard/janus,sbrisard/janus,sbrisard/janus