- switched to automake build environment

[ginac.git] / ginac / isospin.h

diff --git a/ginac/isospin.h b/ginac/isospin.h
new file mode 100644 (file)
index 0000000..3a8e930
--- /dev/null
+++ b/ginac/isospin.h
@@ -0,0 +1,75 @@
+/** @file isospin.h
+ *
+ *  Interface to GiNaC's isospin objects. */
+
+#ifndef _ISOSPIN_H_
+#define _ISOSPIN_H_
+
+#include <string>
+
+class isospin;
+
+#include "indexed.h"
+
+/** Base class for isospin object */
+class isospin : public indexed
+{
+// member functions
+
+    // default constructor, destructor, copy constructor assignment operator and helpers
+public:
+    isospin();
+    ~isospin();
+    isospin(isospin const & other);
+    isospin const & operator=(isospin const & other);
+protected:
+    void copy(isospin const & other); 
+    void destroy(bool call_parent);
+
+    // other constructors
+public:
+    explicit isospin(string const & initname);
+
+    // functions overriding virtual functions from base classes
+public:
+    basic * duplicate() const;
+    void printraw(ostream & os) const;
+    void printtree(ostream & os, unsigned indent) const;
+    void print(ostream & os, unsigned upper_precedence=0) const;
+    void printcsrc(ostream & os, unsigned type, unsigned upper_precedence=0) const;
+    bool info(unsigned inf) const;
+protected:
+    int compare_same_type(basic const & other) const;
+    ex simplify_ncmul(exvector const & v) const;
+    unsigned calchash(void) const;
+
+    // new virtual functions which can be overridden by derived classes
+    // none
+    
+    // non-virtual functions in this class
+public:
+    void setname(string const & n);
+private:
+    string & autoname_prefix(void);
+
+// member variables
+
+protected:
+    string name;
+    unsigned serial; // unique serial number for comparision
+private:
+    static unsigned next_serial;
+};
+
+// global constants
+
+extern const isospin some_isospin;
+extern type_info const & typeid_isospin;
+
+// macros
+
+#define ex_to_isospin(X) static_cast<isospin const &>(*(X).bp)
+
+#endif // ndef _ISOSPIN_H_
+
+