fix pathops battle test

src/pathops/SkOpAngle.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkOpAngle.h"
 #include "SkOpSegment.h"
 #include "SkPathOpsCurve.h"
 #include "SkTSort.h"
@@ skipping 164 matching lines @@
 int SkOpAngle::allOnOneSide(const SkOpAngle* test) {
     SkASSERT(!fIsCurve);
     SkASSERT(test->fIsCurve);
     const SkDPoint& origin = test->fCurvePart[0];
     SkVector line;
     if (segment()->verb() == SkPath::kLine_Verb) {
         const SkPoint* linePts = segment()->pts();
         int lineStart = fStart->t() < fEnd->t() ? 0 : 1;
         line = linePts[lineStart ^ 1] - linePts[lineStart];
     } else {
-        SkPoint shortPts[2] = { fCurvePart[0].asSkPoint(), fCurvePart[1].asSkPoint() };
-        line = shortPts[1] - shortPts[0];
+        line = (fCurvePart[1] - fCurvePart[0]).asSkVector();
     }
     float crosses[3];
     SkPath::Verb testVerb = test->segment()->verb();
     int iMax = SkPathOpsVerbToPoints(testVerb);
 //    SkASSERT(origin == test.fCurveHalf[0]);
     const SkDCurve& testCurve = test->fCurvePart;
     for (int index = 1; index <= iMax; ++index) {
         float xy1 = (float) (line.fX * (testCurve[index].fY - origin.fY));
         float xy2 = (float) (line.fY * (testCurve[index].fX - origin.fX));
         crosses[index - 1] = AlmostEqualUlps(xy1, xy2) ? 0 : xy1 - xy2;
@@ skipping 895 matching lines @@
         return true;
     }
     SkASSERT(s0dt0 != 0);
     double m = s0xt0 / s0dt0;
     double sDist = sweep[0].length() * m;
     double tDist = tweep[0].length() * m;
     bool useS = fabs(sDist) < fabs(tDist);
     double mFactor = fabs(useS ? this->distEndRatio(sDist) : rh->distEndRatio(tDist));
     return mFactor < 2400;  // empirically found limit
 }