Added methods for taking real and imaginary parts.

[ginac.git] / ginac / basic.h

diff --git a/ginac/basic.h b/ginac/basic.h
index 6b117cc9dc1b289b1cdc9cef023f696c449f2fcd..b08ad6693472859ccf1645abf889f1558b3f37d2 100644 (file)
--- a/ginac/basic.h
+++ b/ginac/basic.h
@@ -215,8 +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: