Allow for more general expressions for clifford metrics. Patch by Vladimir.

[ginac.git] / ginac / mul.h

diff --git a/ginac/mul.h b/ginac/mul.h
index 7730bad07deb6ed8fb90eb8ab6b12a4d1f67d7b6..d9023c2f30755d2374e621d24f2f3a03864ecce8 100644 (file)
--- a/ginac/mul.h
+++ b/ginac/mul.h
@@ -55,6 +55,8 @@ public:
        bool has(const ex & other, unsigned options = 0) const;
        ex eval(int level=0) const;
        ex evalf(int level=0) const;
+       ex real_part() const;
+       ex imag_part() const;
        ex evalm() const;
        ex series(const relational & s, int order, unsigned options = 0) const;
        ex normal(exmap & repl, exmap & rev_lookup, int level = 0) const;
@@ -79,6 +81,7 @@ protected:
        void combine_overall_coeff(const ex & c1, const ex & c2);
        bool can_make_flat(const expair & p) const;
        ex expand(unsigned options=0) const;
+       void find_real_imag(ex&, ex&) const;
        
        // new virtual functions which can be overridden by derived classes
        // none