Make .eval() evaluate top-level only.

[ginac.git] / ginac / fderivative.cpp

diff --git a/ginac/fderivative.cpp b/ginac/fderivative.cpp
index 4229d0ab4eff471739b6678132f254b7aaee3bc6..17817e108671ffd4bc612ee343d78937455e2c49 100644 (file)
--- a/ginac/fderivative.cpp
+++ b/ginac/fderivative.cpp
@@ -139,13 +139,8 @@ void fderivative::do_print_tree(const print_tree & c, unsigned level) const
        c.s << std::string(level + c.delta_indent, ' ') << "=====" << std::endl;
 }
 
-ex fderivative::eval(int level) const
+ex fderivative::eval() const
 {
-       if (level > 1) {
-               // first evaluate children, then we will end up here again
-               return fderivative(serial, parameter_set, evalchildren(level));
-       }
-
        // No parameters specified? Then return the function itself
        if (parameter_set.empty())
                return function(serial, seq);