Fix bug 2039

diff --git a/lib/neatogen/quad_prog_vpsc.c b/lib/neatogen/quad_prog_vpsc.c
index 2609d28d367b33a35971d5be877b85f0283dfe73..cfe11ce1b97236d076309a0504720b14d74f5e51 100644 (file)
--- a/lib/neatogen/quad_prog_vpsc.c
+++ b/lib/neatogen/quad_prog_vpsc.c
@@ -113,7 +113,10 @@ constrained_majorization_vpsc(CMajEnvVPSC * e, float *b, float *place,
            }
            denominator -= r * g[i];
        }
-       alpha = numerator / denominator;
+       if (denominator != 0)
+           alpha = numerator / denominator;
+       else
+           alpha = 1.0;
        for (i = 0; i < n; i++) {
            place[i] -= alpha * g[i];
        }