Alexeis patches for better handling of collect_common_factors.

[ginac.git] / ginac / power.h

diff --git a/ginac/power.h b/ginac/power.h
index 13230e9c89f5e1c094331f55b1721afca2a541c6..ad2b4af9a66f70228d249287518f38b23e4afade 100644 (file)
--- a/ginac/power.h
+++ b/ginac/power.h
@@ -54,6 +54,7 @@ public:
        size_t nops() const;
        ex op(size_t i) const;
        ex map(map_function & f) const;
+       bool is_polynomial(const ex & var) const;
        int degree(const ex & s) const;
        int ldegree(const ex & s) const;
        ex coeff(const ex & s, int n = 1) const;
@@ -67,11 +68,13 @@ public:
        ex to_rational(exmap & repl) const;
        ex to_polynomial(exmap & repl) const;
        ex conjugate() const;
+       ex real_part() const;
+       ex imag_part() const;
 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