/** @file fail.h
*
- * Interface to class signaling failure of operation. Considered obsolete all
- * this stuff ought to be replaced by exceptions. */
+ * Interface to class signaling failure of operation. Considered obsolete
+ * (all of this is replaced by exceptions). */
/*
* GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
{
GINAC_DECLARE_REGISTERED_CLASS(fail, basic)
- // other ctors
- // none
-
// functions overriding virtual functions from bases classes
public:
- void print(std::ostream & os, unsigned upper_precedence=0) const;
- void printraw(std::ostream & os) const;
+ void print(const print_context & c, unsigned level = 0) const;
protected:
unsigned return_type(void) const { return return_types::noncommutative_composite; };
-
- // new virtual functions which can be overridden by derived classes
- // none
-
- // non-virtual functions in this class
- // none
-
- // member variables
- // none
};
+/** Specialization of is_exactly_a<fail>(obj) for fail objects. */
+template<> inline bool is_exactly_a<fail>(const basic & obj)
+{
+ return obj.tinfo()==TINFO_fail;
+}
+
} // namespace GiNaC
#endif // ndef __GINAC_FAIL_H__