From d93a11b8ea39294d74f1beb3116b0c1707778b98 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Mon, 17 Nov 2025 23:56:50 +0100
Subject: [PATCH] Remove unused functions from the IFfrontEnd struct.

---
 src/frontend/outitf.c       | 72 ++-----------------------------------
 src/frontend/outitf.h       |  9 -----
 src/include/ngspice/ifsim.h | 15 --------
 src/main.c                  | 13 ++-----
 src/sharedspice.c           |  6 ----
 5 files changed, 4 insertions(+), 111 deletions(-)

diff --git a/src/frontend/outitf.c b/src/frontend/outitf.c
index 8e9bcd9ce..91cb49624 100644
--- a/src/frontend/outitf.c
+++ b/src/frontend/outitf.c
@@ -118,20 +118,6 @@ OUTpBeginPlot(CKTcircuit *circuitPtr, JOB *analysisPtr,
 }
 
 
-int
-OUTwBeginPlot(CKTcircuit *circuitPtr, JOB *analysisPtr,
-              IFuid analName,
-              IFuid refName, int refType,
-              int numNames, IFuid *dataNames, int dataType, runDesc **plotPtr)
-{
-
-    return (beginPlot(analysisPtr, circuitPtr, "circuit name",
-                      analName, refName, refType, numNames,
-                      dataNames, dataType, TRUE,
-                      plotPtr));
-}
-
-
 static int
 beginPlot(JOB *analysisPtr, CKTcircuit *circuitPtr, char *cktName, char *analName, char *refName, int refType, int numNames, char **dataNames, int dataType, bool windowed, runDesc **runp)
 {
@@ -148,10 +134,9 @@ beginPlot(JOB *analysisPtr, CKTcircuit *circuitPtr, char *cktName, char *analNam
     bool savenointernals = FALSE;
     char *an_name;
     int initmem;
-    /*to resume a run saj
-     *All it does is reassign the file pointer and return (requires *runp to be NULL if this is not needed)
-     */
 
+    /*to resume a run, Reassign the file pointer and return
+      (requires *runp to be NULL if this is not needed)*/
     if (dataType == 666 && numNames == 666) {
         run = *runp;
         run->writeOut = ft_getOutReq(&run->fp, &run->runPlot, &run->binary,
@@ -801,38 +786,6 @@ OUTpData(runDesc *plotPtr, IFvalue *refValue, IFvalue *valuePtr)
 } /* end of function OUTpData */
 
 
-
-int OUTwReference(runDesc*plotPtr, IFvalue *valuePtr, void **refPtr)
-{
-    NG_IGNORE(refPtr);
-    NG_IGNORE(valuePtr);
-    NG_IGNORE(plotPtr);
-
-    return OK;
-}
-
-
-int
-OUTwData(runDesc *plotPtr, int dataIndex, IFvalue *valuePtr, void *refPtr)
-{
-    NG_IGNORE(refPtr);
-    NG_IGNORE(valuePtr);
-    NG_IGNORE(dataIndex);
-    NG_IGNORE(plotPtr);
-
-    return OK;
-}
-
-
-int
-OUTwEnd(runDesc *plotPtr)
-{
-    NG_IGNORE(plotPtr);
-
-    return OK;
-}
-
-
 int
 OUTendPlot(runDesc *plotPtr)
 {
@@ -852,27 +805,6 @@ OUTendPlot(runDesc *plotPtr)
 }
 
 
-int
-OUTbeginDomain(runDesc *plotPtr, IFuid refName, int refType, IFvalue *outerRefValue)
-{
-    NG_IGNORE(outerRefValue);
-    NG_IGNORE(refType);
-    NG_IGNORE(refName);
-    NG_IGNORE(plotPtr);
-
-    return (OK);
-}
-
-
-int
-OUTendDomain(runDesc *plotPtr)
-{
-    NG_IGNORE(plotPtr);
-
-    return (OK);
-}
-
-
 int
 OUTattributes(runDesc *plotPtr, IFuid varName, int param, IFvalue *value)
 {
diff --git a/src/frontend/outitf.h b/src/frontend/outitf.h
index efb333119..cf4895d7e 100644
--- a/src/frontend/outitf.h
+++ b/src/frontend/outitf.h
@@ -50,17 +50,8 @@ int OUTpBeginPlot(CKTcircuit *circuitPtr, JOB *analysisPtr,
                   IFuid analName,
                   IFuid refName, int refType,
                   int numNames, IFuid *dataNames, int dataType, runDesc **plotPtr);
-int OUTwBeginPlot(CKTcircuit *circuitPtr, JOB *analysisPtr,
-                  IFuid analName,
-                  IFuid refName, int refType,
-                  int numNames, IFuid *dataNames, int dataType, runDesc **plotPtr);
 int OUTpData(runDesc *plotPtr, IFvalue *refValue, IFvalue *valuePtr);
-int OUTwReference(runDesc *plotPtr, IFvalue *valuePtr, void **refPtr);
-int OUTwData(runDesc *plotPtr, int dataIndex, IFvalue *valuePtr, void *refPtr);
-int OUTwEnd(runDesc *plotPtr);
 int OUTendPlot(runDesc *plotPtr);
-int OUTbeginDomain(runDesc *plotPtr, IFuid refName, int refType, IFvalue *outerRefValue);
-int OUTendDomain(runDesc *plotPtr);
 int OUTattributes(runDesc *plotPtr, IFuid varName, int param, IFvalue *value);
 int OUTstopnow(void);
 void OUTerror(int flags, char *format, IFuid *names);
diff --git a/src/include/ngspice/ifsim.h b/src/include/ngspice/ifsim.h
index cf019be2e..ca2f0787f 100644
--- a/src/include/ngspice/ifsim.h
+++ b/src/include/ngspice/ifsim.h
@@ -455,23 +455,8 @@ struct IFfrontEnd {
                             /* start pointwise output plot */
     int (*OUTpData) (runDesc *, IFvalue *, IFvalue *);
                             /* data for pointwise plot */
-    int (*OUTwBeginPlot) (CKTcircuit *, JOB *,
-                          IFuid,
-                          IFuid, int,
-                          int, IFuid *, int, runDesc **);
-                            /* start windowed output plot */
-    int (*OUTwReference) (runDesc *, IFvalue *, void **);
-                            /* independent vector for windowed plot */
-    int (*OUTwData) (runDesc *, int, IFvalue *, void *);
-                            /* data for windowed plot */
-    int (*OUTwEnd) (runDesc *);
-                            /* signal end of windows */
     int (*OUTendPlot) (runDesc *);
                             /* end of plot */
-    int (*OUTbeginDomain) (runDesc *, IFuid, int, IFvalue *);
-                            /* start nested domain */
-    int (*OUTendDomain) (runDesc *);
-                            /* end nested domain */
     int (*OUTattributes) (runDesc *, IFuid, int, IFvalue *);
                             /* specify output attributes of node */
 };
diff --git a/src/main.c b/src/main.c
index 723855c7a..c547d5475 100644
--- a/src/main.c
+++ b/src/main.c
@@ -200,11 +200,8 @@ struct comm *cp_coms = spcp_coms;
 
 extern int OUTpBeginPlot(CKTcircuit *, JOB *, IFuid, IFuid, int, int, IFuid *, int, runDesc **);
 extern int OUTpData(runDesc *, IFvalue *, IFvalue *);
-extern int OUTwBeginPlot(CKTcircuit *, JOB *, IFuid, IFuid, int, int, IFuid *, int, runDesc **);
-extern int OUTwReference(runDesc *, IFvalue *, void **);
-extern int OUTwData(runDesc *, int, IFvalue *, void *), OUTwEnd(runDesc *), OUTendPlot(runDesc *);
-extern int OUTbeginDomain(runDesc *, IFuid, int, IFvalue *);
-extern int OUTendDomain(runDesc *), OUTstopnow(void);
+extern int OUTendPlot(runDesc *);
+extern int OUTstopnow(void);
 extern void OUTerror(int, char *, IFuid *);
 
 #ifdef __GNUC__
@@ -224,13 +221,7 @@ IFfrontEnd nutmeginfo = {
     OUTerrorf,
     OUTpBeginPlot,
     OUTpData,
-    OUTwBeginPlot,
-    OUTwReference,
-    OUTwData,
-    OUTwEnd,
     OUTendPlot,
-    OUTbeginDomain,
-    OUTendDomain,
     OUTattributes
 };
 
diff --git a/src/sharedspice.c b/src/sharedspice.c
index 5049fd12a..b7c660c87 100644
--- a/src/sharedspice.c
+++ b/src/sharedspice.c
@@ -258,13 +258,7 @@ IFfrontEnd nutmeginfo = {
     OUTerrorf,
     OUTpBeginPlot,
     OUTpData,
-    OUTwBeginPlot,
-    OUTwReference,
-    OUTwData,
-    OUTwEnd,
     OUTendPlot,
-    OUTbeginDomain,
-    OUTendDomain,
     OUTattributes
 };