From b98288988c7721150c9e872a98e55b9fd3974d9f Mon Sep 17 00:00:00 2001
From: hackbard <hackbard@sage.physik.uni-augsburg.de>
Date: Wed, 13 Feb 2008 16:16:39 +0100
Subject: [PATCH] rewritten state machine

---
 sic.c | 98 +++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 61 insertions(+), 37 deletions(-)

diff --git a/sic.c b/sic.c
index 406ad53..77e3c79 100644
--- a/sic.c
+++ b/sic.c
@@ -133,51 +133,75 @@ int sic_hook(void *moldyn,void *hook_params) {
 	/* switch to insert state immediately */
 	if(hp->state==STATE_PRERUN)
 		hp->state=STATE_INSERT;
-
-	/* act according to state */
+	
 	switch(hp->state) {
 		case STATE_INSERT:
-			/* assigne values */
-			steps=INS_RELAX;
-			tau=INS_TAU;
-			/* check temperature */
-			dt=md->t_avg-md->t_ref;
-			if(dt<0)
-				dt=-dt;
-			if(dt>INS_DELTA_TC)
-				break;
-			/* insert atoms */
-			hp->insert_count+=1;
-			printf("   ### insert atoms (%d/%d) ###\n",
-			       hp->insert_count*INS_ATOMS,INS_RUNS*INS_ATOMS);
-			insert_atoms(md);
-			/* change state after last insertion */
-			if(hp->insert_count==INS_RUNS)
-				hp->state=STATE_POSTRUN;
+			goto insert;
 			break;
 		case STATE_POSTRUN:
-			/* assigne values */
-			steps=POST_RELAX;
-			tau=POST_TAU;
-			/* check temperature */
-			dt=md->t_avg-md->t_ref;
-			if(dt<0)
-				dt=-dt;
-			if(dt>POST_DELTA_TC)
-				break;
-			/* decrease temperature */
-			hp->postrun_count+=1;
-			printf(" ### postrun (%d/%d) ###\n",
-			       hp->postrun_count,POST_RUNS);
-			set_temperature(md,md->t_ref-POST_DT);
-			if(hp->postrun_count==POST_RUNS)
-				return 0;
+			goto postrun;
 			break;
 		default:
-			printf("[hook] FATAL (default case!?!)\n");
-			break;
+			printf("[sic hook] unknown state\n");
+			return -1;
 	}
 
+	/* act according to state */
+
+insert:
+
+	/* immediately go on if no job is to be done */
+	if(hp->insert_count==INS_RUNS) {
+printf("immediate insert run return!\n");
+		hp->state=STATE_POSTRUN;
+		goto postrun;
+	}
+
+	/* assigne values */
+	steps=INS_RELAX;
+	tau=INS_TAU;
+
+	/* check temperature */
+	dt=md->t_avg-md->t_ref;
+	if(dt<0)
+		dt=-dt;
+	if(dt>INS_DELTA_TC)
+		goto addsched;
+
+	/* else -> insert atoms */
+	hp->insert_count+=1;
+	printf("   ### insert atoms (%d/%d) ###\n",
+	       hp->insert_count*INS_ATOMS,INS_RUNS*INS_ATOMS);
+	insert_atoms(md);
+	goto addsched;
+
+postrun:
+
+	/* immediately return if no job is to be done */
+	if(hp->postrun_count==POST_RUNS) {
+printf("immediate post run return!\n");
+		return 0;
+	}
+
+	/* assigne values */
+	steps=POST_RELAX;
+	tau=POST_TAU;
+
+	/* check temperature */
+	dt=md->t_avg-md->t_ref;
+	if(dt<0)
+		dt=-dt;
+	if(dt>POST_DELTA_TC)
+		goto addsched;
+
+	/* postrun action */
+	hp->postrun_count+=1;
+	printf(" ### postrun (%d/%d) ###\n",
+	       hp->postrun_count,POST_RUNS);
+	set_temperature(md,md->t_ref-POST_DT);
+
+addsched:
+
 	/* reset the average counters */
 	average_reset(md);
 
-- 
2.20.1