From b00c20da4032bc28a0710984a1a1cfce3d589b38 Mon Sep 17 00:00:00 2001
From: ian <ian>
Date: Mon, 5 May 2008 13:21:20 +0000
Subject: [PATCH] do not regard a train as satisfying detection at a location
 if the movposcomb is not known

---
 hostside/resolve.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/hostside/resolve.c b/hostside/resolve.c
index 7fdd39d..7a35f99 100644
--- a/hostside/resolve.c
+++ b/hostside/resolve.c
@@ -158,15 +158,19 @@
 static int resmain_getmovpos(TrackLocation *t, TrackAdvanceContext *c,
 			     MovPosComb *use_io) {
   Segment *d= t->seg;
+  const char *pn= d->i->pname;
 
   if (d->home && d->home->resolution == RR_H) {
     d->tr_backwards= d->ho_backwards;
     *use_io= 0; /* a bit kludgey */
+    oprintf(DUPO("resolving") " resmain  getmovpos %s H\n", pn);
   } else if (d->owner) {
     d->tr_backwards ^= d->owner->backwards;
     *use_io= d->movposcomb;
+    oprintf(DUPO("resolving") " resmain  getmovpos %s E %u\n", pn, *use_io);
   } else {
     *use_io= -1;
+    oprintf(DUPO("resolving") " resmain  getmovpos %s N -1\n", pn);
   }
   return 0;
 }
@@ -202,14 +206,15 @@ static int resolve_complete_main(void) {
     FOR_SEGMENT(d,NOOP,NOOP) { /* calculate U */
       unsigned updated= 0;
 
-#define ADDTO_U_EH(homeowner,HH_HE,string)			\
-      if (d->homeowner && d->homeowner->resolution == HH_HE) {	\
+#define ADDTO_U_EH(homeowner,HH_HE,string)				\
+      if (d->homeowner && d->homeowner->resolution == HH_HE) {		\
 	oprintf(DUPO("resolving") "  covered %s " string " %s\n",	\
-		di->pname, d->homeowner->pname);		\
-	updated++;						\
+		di->pname, d->homeowner->pname);			\
+	updated++;							\
       }
       ADDTO_U_EH(home,  RR_H, "at-home");
-      ADDTO_U_EH(owner, RR_E, "as-expected");
+      if (d->movposcomb >= 0)
+	ADDTO_U_EH(owner, RR_E, "as-expected");
 
       assert(updated<=1);
       d->iselem_u= updated;
@@ -320,8 +325,6 @@ static int resolve_complete_main(void) {
     }
   }
     
-  if (problems) return problems;
-
   TrackAdvanceContext tac;
   MovPosComb target;
   tac.getmovpos= resmain_getmovpos;
@@ -385,7 +388,7 @@ static int findends_getmovpos(TrackLocation *t, TrackAdvanceContext *c,
     oprintf(DUPO("resolving") " ends  getmovpos %s fails\n", pn);
     return -1;
   }
-//  oprintf(DUPO("resolving") " ends  getmovpos %s -> %d\n", pn, *use_io);
+  oprintf(DUPO("resolving") " ends  getmovpos %s -> %d\n", pn, *use_io);
   return 0;
 }
 
-- 
2.30.2