From 4d062ecc925eafa9eaec0358c91420e1337142eb Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Sat, 3 Oct 2020 15:11:56 +0200
Subject: [PATCH] fix a bug in the derivative

---
 src/xspice/icm/xtradev/pswitch/cfunc.mod | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/xspice/icm/xtradev/pswitch/cfunc.mod b/src/xspice/icm/xtradev/pswitch/cfunc.mod
index e8d552b04..725d33f3a 100644
--- a/src/xspice/icm/xtradev/pswitch/cfunc.mod
+++ b/src/xspice/icm/xtradev/pswitch/cfunc.mod
@@ -226,7 +226,7 @@ void cm_pswitch(ARGS)  /* structure holding parms,
             }
         }
         
-        pi_pcntl = INPUT(out) / r * (loc->c2 * inmean * inmean - loc->c1 * INPUT(cntl_in));
+        pi_pcntl = INPUT(out) / r * (loc->c2 * inmean * inmean - loc->c1);
         pi_pvout = 1.0 / r;
         
     }