#include <ginac/exprseq.h>
+namespace GiNaC {
+
/** Non-commutative product of expressions. */
class ncmul : public exprseq
{
ex nonsimplified_ncmul(exvector const & v);
ex simplified_ncmul(exvector const & v);
-#define ex_to_ncmul(X) static_cast<ncmul const &>(*(X).bp)
+// utility functions
+inline const ncmul &ex_to_ncmul(const ex &e)
+{
+ return static_cast <const ncmul &>(*e.bp);
+}
+
+} // namespace GiNaC
#endif // ndef __GINAC_NCMUL_H__
-