Lighten a spline mode

diff --git a/org/w3c/dom/smil.js b/org/w3c/dom/smil.js
index e067227..87c23d4 100644 (file)
--- a/org/w3c/dom/smil.js
+++ b/org/w3c/dom/smil.js
@@ -635,6 +635,7 @@ Math.qubicnewton = function(a0, a1, a2, a3, b) {
   /*限界の収束回数は100回とする*/\r
   for (var i=0;i<100;++i) {\r
     if (_abs(fb) < eps) {\r
+      fb = eps = void 0;\r
       return b;\r
     } else {\r
       b =  b - fb / (3* a0 *b*b + 2 * a1 *b + a2);\r