From 7387d59b1a59139f4e7ba705d963b3d65bf52e82 Mon Sep 17 00:00:00 2001
From: h_vogt <h_vogt>
Date: Mon, 20 May 2013 19:13:27 +0200
Subject: [PATCH] dctran.c, bug fix `#235 When Using .TRAN analysis with UIC,
 ...'

add a breakpoint for UIC

#235 When Using .TRAN analysis with UIC, unconnected pulse bug
http://sourceforge.net/p/ngspice/bugs/235/
---
 src/spicelib/analysis/dctran.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/spicelib/analysis/dctran.c b/src/spicelib/analysis/dctran.c
index 9716e9fa3..e300a3278 100644
--- a/src/spicelib/analysis/dctran.c
+++ b/src/spicelib/analysis/dctran.c
@@ -507,7 +507,7 @@ resume:
     if (ckt->CKTtime == 0.)
         SetAnalyse( "tran init", 0);
     else
-        SetAnalyse( "tran", (int)((ckt->CKTtime * 1000.) / ckt->CKTfinalTime) + 0.5);
+        SetAnalyse( "tran", (int)((ckt->CKTtime * 1000.) / ckt->CKTfinalTime + 0.5));
 #endif
     ckt->CKTdelta =
             MIN(ckt->CKTdelta,ckt->CKTmaxStep);
@@ -545,6 +545,10 @@ resume:
             ckt->CKTbreaks[1] - ckt->CKTbreaks[0]));
 
         if(firsttime) {
+            /* set a breakpoint to reduce ringing of current in devices */
+            if (ckt->CKTmode & MODEUIC)
+                CKTsetBreak(ckt, ckt->CKTstep);
+
             ckt->CKTdelta /= 10;
 #ifdef STEPDEBUG
             (void)printf("delta cut for initial timepoint\n");