/** @file mul.h
*
- * Interface to GiNaC's products of expressions.
- *
+ * Interface to GiNaC's products of expressions. */
+
+/*
* GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
#ifndef __GINAC_MUL_H__
#define __GINAC_MUL_H__
-class mul;
+#include <ginac/expairseq.h>
+
+namespace GiNaC {
/** Product of expressions. */
class mul : public expairseq
extern const mul some_mul;
extern type_info const & typeid_mul;
-#define ex_to_mul(X) static_cast<mul const &>(*(X).bp)
+// utility functions
+inline const mul &ex_to_mul(const ex &e)
+{
+ return static_cast<const mul &>(*e.bp);
+}
-#endif // ndef __GINAC_MUL_H__
+} // namespace GiNaC
+#endif // ndef __GINAC_MUL_H__