* Supplement some (now deprecated) macros by inlined template functions:

[ginac.git] / ginac / fail.h

diff --git a/ginac/fail.h b/ginac/fail.h
index d6bf22d013bf0c36a7aefc4aee9bf39f9be12d75..240509239851bdd68e4ec0810d9978fa07820a5f 100644 (file)
--- a/ginac/fail.h
+++ b/ginac/fail.h
@@ -1,7 +1,7 @@
 /** @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
@@ -26,48 +26,25 @@
 
 #include "basic.h"
 
-#ifndef NO_NAMESPACE_GINAC
 namespace GiNaC {
-#endif // ndef NO_NAMESPACE_GINAC
 
 class fail : public basic
 {
        GINAC_DECLARE_REGISTERED_CLASS(fail, basic)
-
-       // default constructor, destructor, copy constructor assignment operator and helpers
-public:
-       fail();
-       ~fail();
-       fail(const fail & other);
-       const fail & operator=(const fail & other);
-protected:
-       void copy(const fail & other);
-       void destroy(bool call_parent);
-
-       // other constructors
-       // none
-
+       
        // functions overriding virtual functions from bases classes
 public:
-       basic * duplicate() const;
-       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:
-       int compare_same_type(const basic & other) const;
        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
 };
 
-#ifndef NO_NAMESPACE_GINAC
+/** 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 NO_NAMESPACE_GINAC
 
 #endif // ndef __GINAC_FAIL_H__