From: Benjamin Poirier <benjamin.poirier@polymtl.ca>
Date: Thu, 18 Feb 2010 19:42:55 +0000 (-0500)
Subject: Don't add "0" rows to a glpk problem
X-Git-Tag: v0.12.31~28
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=dce9bf0cdab09cf62bde268246578e2df512b56c;p=lttv.git

Don't add "0" rows to a glpk problem

glpk aborts if "0" rows are added, skip over the call.

Signed-off-by: Benjamin Poirier <benjamin.poirier@polymtl.ca>
---

diff --git a/lttv/lttv/sync/event_analysis_eval.c b/lttv/lttv/sync/event_analysis_eval.c
index 6b961020..39aa7cda 100644
--- a/lttv/lttv/sync/event_analysis_eval.c
+++ b/lttv/lttv/sync/event_analysis_eval.c
@@ -1537,7 +1537,10 @@ static glp_prob* lpCreateProblem(GQueue* const lowerHull, GQueue* const
 
 	// Create the LP problem
 	glp_term_out(GLP_OFF);
-	glp_add_rows(lp, hullPointNb);
+	if (hullPointNb > 0)
+	{
+		glp_add_rows(lp, hullPointNb);
+	}
 	glp_add_cols(lp, 2);
 
 	glp_set_col_name(lp, 1, "a0");