path ops work in progress

fix bugs in tests on 32 bit release

Most changes revolve around pinning computed t values
very close to zero and one.

git-svn-id: http://skia.googlecode.com/svn/trunk@8745 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pathops/SkPathOpsDebug.cpp b/src/pathops/SkPathOpsDebug.cpp
index bef129c..ece3b14 100644
--- a/src/pathops/SkPathOpsDebug.cpp
+++ b/src/pathops/SkPathOpsDebug.cpp
@@ -28,7 +28,9 @@
         num = str[idx] >= '0' && str[idx] <= '9';
     }
 }
+#endif
 
+#if DEBUG_SORT || DEBUG_SWAP_TOP
 bool valid_wind(int wind) {
     return wind > SK_MinS32 + 0xFFFF && wind < SK_MaxS32 - 0xFFFF;
 }