[gtk/path-ops: 3/23] curve: Small improvement

[Matthias Clasen <matthiasc src gnome org>]

commit e2958b2debf5906bce51a0bafaa75fd5df5d8afc
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 21 00:14:40 2022 -0400

    curve: Small improvement

 gsk/gskcurve.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/gsk/gskcurve.c b/gsk/gskcurve.c
index f72ad89e00..1e6673062e 100644
--- a/gsk/gskcurve.c
+++ b/gsk/gskcurve.c
@@ -863,8 +863,10 @@ gsk_curve_curve_get_curvature (const GskCurve *curve,
   get_derivatives (curve, t, &d, &dd);
 
   num = cross (&d, &dd);
-  denom = pow3 (graphene_vec2_length (&d));
+  if (num == 0)
+    return 0;
 
+  denom = pow3 (graphene_vec2_length (&d));
   if (denom == 0)
     return 0;
 
@@ -1584,8 +1586,10 @@ gsk_conic_curve_get_curvature (const GskCurve *curve,
   get_conic_derivatives (curve, t, &d, &dd);
 
   num = cross (&d, &dd);
-  denom = pow3 (graphene_vec2_length (&d));
+  if (num == 0)
+    return 0;
 
+  denom = pow3 (graphene_vec2_length (&d));
   if (denom == 0)
     return 0;