Finalize 1.7.0 release.

[ginac.git] / ginac / basic.h

diff --git a/ginac/basic.h b/ginac/basic.h
index 6f5cd1d24f2e29d974284cc51e431780e5b39e6a..1af6f85844ca68683f2eb3a0111d6fcf02578a20 100644 (file)
--- a/ginac/basic.h
+++ b/ginac/basic.h
@@ -92,7 +92,8 @@ struct map_function {
 
 /** Degenerate base class for visitors. basic and derivative classes
  *  support Robert C. Martin's Acyclic Visitor pattern (cf.
- *  http://objectmentor.com/publications/acv.pdf). */
+ *  http://condor.depaul.edu/dmumaugh/OOT/Design-Principles/acv.pdf
+ *  or chapter 10 of Andrei Alexandrescu's "Modern C++ Design"). */
 class visitor {
 protected:
        virtual ~visitor() {}
@@ -136,7 +137,7 @@ public: // only const functions please (may break reference counting)
 
        // evaluation
        virtual ex eval() const;
-       virtual ex evalf(int level = 0) const;
+       virtual ex evalf() const;
        virtual ex evalm() const;
        virtual ex eval_integ() const;
 protected:
@@ -199,7 +200,7 @@ public:
        virtual ex series(const relational & r, int order, unsigned options = 0) const;
 
        // rational functions
-       virtual ex normal(exmap & repl, exmap & rev_lookup, int level = 0) const;
+       virtual ex normal(exmap & repl, exmap & rev_lookup) const;
        virtual ex to_rational(exmap & repl) const;
        virtual ex to_polynomial(exmap & repl) const;
 
@@ -304,8 +305,6 @@ protected:
 
 // global variables
 
-extern int max_recursion_level;
-
 
 // convenience type checker template functions