Reviving return_type_tinfo-system.

[ginac.git] / ginac / power.h

diff --git a/ginac/power.h b/ginac/power.h
index 13230e9c89f5e1c094331f55b1721afca2a541c6..48ca5b5d67922907612a15de8c8606f681c3b572 100644 (file)
--- a/ginac/power.h
+++ b/ginac/power.h
@@ -71,7 +71,7 @@ protected:
        ex derivative(const symbol & s) const;
        ex eval_ncmul(const exvector & v) const;
        unsigned return_type() const;
-       const basic* return_type_tinfo() const;
+       tinfo_t return_type_tinfo() const;
        ex expand(unsigned options = 0) const;
        
        // new virtual functions which can be overridden by derived classes