From ca8e9b2d2df428421a79ea036c608d70cf140562 Mon Sep 17 00:00:00 2001
From: h_vogt <h_vogt>
Date: Sun, 29 Apr 2012 23:16:46 +0200
Subject: [PATCH] prevent false outputs of @dev[param], when not defined in ac
 simulation

---
 src/frontend/error.h          | 2 ++
 src/spicelib/analysis/acan.c  | 2 ++
 src/spicelib/devices/cktask.c | 7 +++++++
 3 files changed, 11 insertions(+)

diff --git a/src/frontend/error.h b/src/frontend/error.h
index 4d7ad9d5d..1cc4b26c6 100644
--- a/src/frontend/error.h
+++ b/src/frontend/error.h
@@ -6,6 +6,8 @@
 #ifndef ERROR_H_INCLUDED
 #define ERROR_H_INCLUDED
 
+#include "ngspice/defines.h"
+
 void controlled_exit(int status);
 
 #endif
diff --git a/src/spicelib/analysis/acan.c b/src/spicelib/analysis/acan.c
index b503cb1fd..ca19b7557 100644
--- a/src/spicelib/analysis/acan.c
+++ b/src/spicelib/analysis/acan.c
@@ -244,6 +244,8 @@ ACan(CKTcircuit *ckt, int restart)
 
     INIT_STATS();
 
+    ckt->CKTcurrentAnalysis = DOING_AC;
+
     /* main loop through all scheduled frequencies */
     while (freq <= job->ACstopFreq + freqTol) {
         if(SPfrontEnd->IFpauseTest()) {
diff --git a/src/spicelib/devices/cktask.c b/src/spicelib/devices/cktask.c
index 941023565..603840788 100644
--- a/src/spicelib/devices/cktask.c
+++ b/src/spicelib/devices/cktask.c
@@ -7,12 +7,15 @@ Author: 1985 Thomas L. Quarles
  *
  * Ask questions about a specified device.  */
 
+#include "ngspice/ngspice.h"
 #include "ngspice/config.h"
 #include "ngspice/devdefs.h"
 #include "ngspice/sperror.h"
 
 #include "dev.h"
+#include "error.h"
 
+extern bool ft_stricterror;
 
 int
 CKTask(CKTcircuit *ckt, GENinstance *instance, int which, IFvalue *value, IFvalue *selector)
@@ -40,5 +43,9 @@ CKTask(CKTcircuit *ckt, GENinstance *instance, int which, IFvalue *value, IFvalu
     length = sizeof(int);
     BRDCST_(&msgtype, (char *)&error, &length, &from);
 #endif /* PARALLEL_ARCH */
+    if (ft_stricterror) {
+        fprintf(stderr, "\nError: %s\n", errMsg);
+        controlled_exit(EXIT_BAD);
+    }
     return(error);
 }