pathops coincident fixes

src/pathops/SkPathOpsTypes.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 "SkFloatBits.h"
+#include "SkOpCoincidence.h"
 #include "SkPathOpsTypes.h"
 
 static bool arguments_denormalized(float a, float b, int epsilon) {
     float denormalizedCheck = FLT_EPSILON * epsilon / 2;
     return fabsf(a) <= denormalizedCheck && fabsf(b) <= denormalizedCheck;
 }
 
 // from http://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/
 // FIXME: move to SkFloatBits.h
 static bool equal_ulps(float a, float b, int epsilon, int depsilon) {
@@ skipping 173 matching lines @@
 double SkDCubeRoot(double x) {
     if (approximately_zero_cubed(x)) {
         return 0;
     }
     double result = halley_cbrt3d(fabs(x));
     if (x < 0) {
         result = -result;
     }
     return result;
 }
+
+SkOpGlobalState::SkOpGlobalState(SkOpCoincidence* coincidence, SkOpContourHead* head)
+    : fCoincidence(coincidence)
+    , fContourHead(head)
+    , fNested(0)
+    , fWindingFailed(false)
+    , fAngleCoincidence(false)
+    , fPhase(kIntersecting)
+    SkDEBUGPARAMS(fAngleID(0))
+    SkDEBUGPARAMS(fContourID(0))
+    SkDEBUGPARAMS(fPtTID(0))
+    SkDEBUGPARAMS(fSegmentID(0))
+    SkDEBUGPARAMS(fSpanID(0)) {
+    if (coincidence) {
+        coincidence->debugSetGlobalState(this);
+    }
+}
+