From 4dc114acc25c2ac29aab6e05a78a444341fa39ae Mon Sep 17 00:00:00 2001
From: erg <devnull@localhost>
Date: Mon, 28 Apr 2008 16:52:59 +0000
Subject: [PATCH] Fix bug in vpsc code where a divide by 0 may occur

---
 lib/neatogen/quad_prog_vpsc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/neatogen/quad_prog_vpsc.c b/lib/neatogen/quad_prog_vpsc.c
index b6f6256b9..46c66f59f 100644
--- a/lib/neatogen/quad_prog_vpsc.c
+++ b/lib/neatogen/quad_prog_vpsc.c
@@ -143,7 +143,10 @@ constrained_majorization_vpsc(CMajEnvVPSC * e, float *b, float *place,
 	    }
 	    denominator += r * d[i];
 	}
-	beta = numerator / denominator;
+	if (denominator != 0.0)
+	    beta = numerator / denominator;
+	else
+	    beta = 1.0;
 
 	for (i = 0; i < n; i++) {
 	    /* beta > 1.0 takes us back outside the feasible region
-- 
2.40.0