Make .eval() evaluate top-level only.

[ginac.git] / ginac / symbol.h

diff --git a/ginac/symbol.h b/ginac/symbol.h
index 84320f277ef796c400d95e94c7035b87dd0a3b5e..157e42843aa715ca2184347bb61696d05e414561 100644 (file)
--- a/ginac/symbol.h
+++ b/ginac/symbol.h
@@ -46,7 +46,7 @@ public:
        // functions overriding virtual functions from base classes
 public:
        bool info(unsigned inf) const override;
-       ex eval(int level = 0) const override { return *this; } // for performance reasons
+       ex eval() const override { return *this; } // for performance reasons
        ex evalf(int level = 0) const override { return *this; } // overwrites basic::evalf() for performance reasons
        ex series(const relational & s, int order, unsigned options = 0) const override;
        ex subs(const exmap & m, unsigned options = 0) const override { return subs_one_level(m, options); } // overwrites basic::subs() for performance reasons