Fixed perturbed wall interactions

With free-energy calculations, the B-state wall force and potential
were set to zero.
Fixes #1501

Change-Id: Ib53073c19fee19979ade96455b6505001187a2fa

diff --git a/src/mdlib/wall.c b/src/mdlib/wall.c
index 3c0b904622393ff0554c014dd764c84f09ced18a..a9c2bec98fb8b8dcb8017e369ef680622ab8f6ea 100644 (file)
--- a/src/mdlib/wall.c
+++ b/src/mdlib/wall.c
@@ -162,7 +162,7 @@ real do_walls(t_inputrec *ir, t_forcerec *fr, matrix box, t_mdatoms *md,
             }
             else
             {
-                lamfac = 0;
+                lamfac = lambda;
                 type   = md->typeB;
             }
         }