Added methods for taking real and imaginary parts.

[ginac.git] / ginac / ex.h

diff --git a/ginac/ex.h b/ginac/ex.h
index c23336ba5fdb56b56df9400068622dc614cbec9c..030046c5c1d576612634cb4c7a2daf4be4b3181c 100644 (file)
--- a/ginac/ex.h
+++ b/ginac/ex.h
@@ -134,8 +134,10 @@ public:
        ex lhs() const;
        ex rhs() const;
 
-       // complex conjugation
+       // function for complex expressions
        ex conjugate() const { return bp->conjugate(); }
+       ex real_part() const { return bp->real_part(); }
+       ex imag_part() const { return bp->imag_part(); }
 
        // pattern matching
        bool has(const ex & pattern, unsigned options = 0) const { return bp->has(pattern, options); }
@@ -685,6 +687,12 @@ inline ex expand(const ex & thisex, unsigned options = 0)
 inline ex conjugate(const ex & thisex)
 { return thisex.conjugate(); }
 
+inline ex real_part(const ex & thisex)
+{ return thisex.real_part(); }
+
+inline ex imag_part(const ex & thisex)
+{ return thisex.imag_part(); }
+
 inline bool has(const ex & thisex, const ex & pattern, unsigned options = 0)
 { return thisex.has(pattern, options); }