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/tests/PathOpsLineIntersectionTest.cpp b/tests/PathOpsLineIntersectionTest.cpp
index d0b5731..675ce9d 100644
--- a/tests/PathOpsLineIntersectionTest.cpp
+++ b/tests/PathOpsLineIntersectionTest.cpp
@@ -10,6 +10,7 @@
 
 // FIXME: add tests for intersecting, non-intersecting, degenerate, coincident
 static const SkDLine tests[][2] = {
+    {{{{5, 0}, {0, 5}}}, {{{5, 4}, {1, 4}}}},
     {{{{0, 0}, {1, 0}}}, {{{1, 0}, {0, 0}}}},
     {{{{0, 0}, {0, 0}}}, {{{0, 0}, {1, 0}}}},
     {{{{0, 1}, {0, 1}}}, {{{0, 0}, {0, 2}}}},