graph/layout: avoid panic in Eades test on arm64
@@ -137,6 +137,9 @@ func (u *EadesR2) Update(g graph.Graph, layout LayoutR2) bool {
// Apply adjacent node attraction.
v := u.particles[yidx].Coord2().Sub(u.particles[xidx].Coord2())
f := v.Scale(weight(xid, yid) * math.Log(math.Hypot(v.X, v.Y)))
+ if math.IsInf(f.X, 0) || math.IsInf(f.Y, 0) {
+ return false
+ }
if math.Hypot(f.X, f.Y) > 1e-12 {
updated = true
}
