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-rw-r--r--gui/src/chainImage.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/gui/src/chainImage.h b/gui/src/chainImage.h
index 034d0a4..78b4eaf 100644
--- a/gui/src/chainImage.h
+++ b/gui/src/chainImage.h
@@ -24,6 +24,10 @@
//so annoying 1: menubar
//so annoying 2: dialogue stops screen
+template <typename T> int sgn(T val) {
+ return (T(0) < val) - (val < T(0));
+}
+
class chainImage : public ofImage{