slight simplification to newtonRaphsonRootFind() (soswow#15)

NoBey · Jun 27, 2017 · 3636363 · 3636363
1 parent 6241d07
commit 3636363
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/fit-curve.js b/src/fit-curve.js
@@ -311,8 +311,8 @@ function newtonRaphsonRootFind(bez, point, u) {
 
     var d = maths.subtract(bezier.q(bez, u), point),
         qprime = bezier.qprime(bez, u),
-        numerator = /*sum(*/maths.mulMatrix(d, qprime)/*)*/,
-        denominator = maths.sum(maths.addItems( maths.squareItems(qprime), maths.mulMatrix(d, bezier.qprimeprime(bez, u)) ));
+        numerator = maths.mulMatrix(d, qprime),
+        denominator = maths.sum(maths.squareItems(qprime)) + 2 * maths.mulMatrix(d, bezier.qprimeprime(bez, u));
 
     if (denominator === 0) {
         return u;