shape ops work in progress

basic functionality works at this point

git-svn-id: http://skia.googlecode.com/svn/trunk@7004 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/EdgeWalkerQuadratic4x4_Test.cpp b/experimental/Intersection/EdgeWalkerQuadratic4x4_Test.cpp
index a2b6bef..3a0a8f5 100644
--- a/experimental/Intersection/EdgeWalkerQuadratic4x4_Test.cpp
+++ b/experimental/Intersection/EdgeWalkerQuadratic4x4_Test.cpp
@@ -84,7 +84,12 @@
     const char testStr[] = "testQuadratic";
     initializeTests(testStr, sizeof(testStr));
     int testsStart = testsRun;
-    for (int a = 0; a < 16; ++a) {
+    int a = 0;
+#define SKIP_A 0
+#if SKIP_A
+    a = 2;
+#endif
+    for (; a < 16; ++a) {
         for (int b = a ; b < 16; ++b) {
             for (int c = b ; c < 16; ++c) {
                 for (int d = c; d < 16; ++d) {