Add optional debugging for calls to ValueNode_*::operator(). export SYNFIG_DEBUG_VAL...

[synfig.git] / synfig-core / trunk / src / synfig / valuenode_cos.cpp

diff --git a/synfig-core/trunk/src/synfig/valuenode_cos.cpp b/synfig-core/trunk/src/synfig/valuenode_cos.cpp
index 40d22d9..efcd88a 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_cos.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_cos.cpp
@@ -86,6 +86,9 @@ ValueNode_Cos::~ValueNode_Cos()
 ValueBase
 ValueNode_Cos::operator()(Time t)const
 {
+       if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+               printf("%s:%d operator()\n", __FILE__, __LINE__);
+
        return
                Angle::cos(
                        (*angle_)(t).get(Angle())