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

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

diff --git a/synfig-core/trunk/src/synfig/valuenode_log.cpp b/synfig-core/trunk/src/synfig/valuenode_log.cpp
index a79dde5..59f82e5 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_log.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_log.cpp
@@ -149,6 +149,9 @@ ValueNode_Logarithm::get_link_index_from_name(const String &name)const
 ValueBase
 ValueNode_Logarithm::operator()(Time t)const
 {
+       if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+               printf("%s:%d operator()\n", __FILE__, __LINE__);
+
        Real link     = (*link_)    (t).get(Real());
        Real epsilon  = (*epsilon_) (t).get(Real());
        Real infinite = (*infinite_)(t).get(Real());