- */Makefile.in: changes triggered by newer automake.

[ginac.git] / ginac / ex.h

diff --git a/ginac/ex.h b/ginac/ex.h
index 974bfde3cde5f8a6d3fca144885376b3b097e116..6bc4879ea427aec76b3f19bd4a5d45389b6fe0ad 100644 (file)
--- a/ginac/ex.h
+++ b/ginac/ex.h
@@ -245,6 +245,8 @@ public:
     ex operator[](int i) const;
     ex op(int i) const;
     ex & let_op(int i);
+    ex lhs(void) const;
+    ex rhs(void) const;
     int compare(const ex & other) const
 #ifdef INLINE_EX_CONSTRUCTORS
         {
@@ -382,6 +384,18 @@ inline ex subs(const ex & thisex, const ex & e)
 inline ex subs(const ex & thisex, const lst & ls, const lst & lr)
 { return thisex.subs(ls, lr); }
 
+inline ex op(const ex & thisex, int i)
+{ return thisex.op(i); }
+
+inline ex lhs(const ex & thisex)
+{ return thisex.lhs(); }
+
+inline ex rhs(const ex & thisex)
+{ return thisex.rhs(); }
+
+inline bool is_zero(const ex & thisex)
+{ return thisex.is_zero(); }
+
 inline void swap(ex & e1, ex & e2)
 { e1.swap(e2); }