Added methods for taking real and imaginary parts.

[ginac.git] / ginac / basic.h

diff --git a/ginac/basic.h b/ginac/basic.h
index fc825226538a1ff5672ddac9cf991eea1932a850..b08ad6693472859ccf1645abf889f1558b3f37d2 100644 (file)
--- a/ginac/basic.h
+++ b/ginac/basic.h
@@ -180,6 +180,7 @@ public:
        }
 
        // degree/coeff
+       virtual bool is_polynomial(const ex & var) const;
        virtual int degree(const ex & s) const;
        virtual int ldegree(const ex & s) const;
        virtual ex coeff(const ex & s, int n = 1) const;
@@ -214,8 +215,10 @@ public:
        virtual unsigned return_type() const;
        virtual tinfo_t return_type_tinfo() const;
 
-       // complex conjugation
+       // functions for complex expressions
        virtual ex conjugate() const;
+       virtual ex real_part() const;
+       virtual ex imag_part() const;
 
        // functions that should be called from class ex only
 protected: