Fix integer overflow

I forgot this piece in 779618e45d.
2013-02-06 08:07:30 +01:00 · 2013-02-06 08:07:30 +01:00 · 41a2060720
commit 41a2060720
parent a4a4bca745
1 changed files with 1 additions and 1 deletions
--- a/src/FbTk/TextureRender.cc
+++ b/src/FbTk/TextureRender.cc
@ -513,7 +513,7 @@ void renderPipeCrossGradient(bool interlaced,
            // 'b' (a.cross() is equal to b.cross()) then use the x_gradient,
            // otherwise use y_gradient

-            if ((a.cross(x, y) * b.cross(x, b.y + y)) > 0) {
+            if (sign(a.cross(x, y)) * sign(b.cross(x, b.y + y)) > 0) {
                rgba[i] = x_gradient[x];
            } else {
                rgba[i] = y_gradient[y];