* Interface to GiNaC´s lortensor objects. */
/*
- * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <string>
#include <vector>
-#include "config.h"
#include <iostream>
-#include <ginac/indexed.h>
-#include <ginac/lorentzidx.h>
+#include "indexed.h"
+#include "lorentzidx.h"
-#ifndef NO_GINAC_NAMESPACE
+#ifndef NO_NAMESPACE_GINAC
namespace GiNaC {
-#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
/** Base class for lortensor object */
class lortensor : public indexed
{
- // friends
- friend lortensor lortensor_g(ex const & mu, ex const & nu);
- // friend lortensor lortensor_delta(ex const & mu, ex const & nu);
- friend lortensor lortensor_epsilon(ex const & mu, ex const & nu,
- ex const & rho, ex const & sigma);
- friend lortensor lortensor_rankn(string const & n, exvector const & iv);
- friend lortensor lortensor_rank1(string const & n, ex const & mu);
- friend lortensor lortensor_rank2(string const & n, ex const & mu, ex const & nu);
- friend ex simplify_lortensor_mul(ex const & m);
- friend ex simplify_lortensor(ex const & e);
-
- // types
-
+ friend lortensor lortensor_g(const ex & mu, const ex & nu);
+ // friend lortensor lortensor_delta(const ex & mu, const ex & nu);
+ friend lortensor lortensor_epsilon(const ex & mu, const ex & nu,
+ const ex & rho, const ex & sigma);
+ // friend lortensor lortensor_rankn(const string & n, const exvector & iv);
+ friend lortensor lortensor_rank1(const std::string & n, const ex & mu);
+ friend lortensor lortensor_rank2(const std::string & n, const ex & mu, const ex & nu);
+ friend ex simplify_lortensor_mul(const ex & m);
+ friend ex simplify_lortensor(const ex & e);
+
+ // types
public:
- typedef enum { invalid,
- lortensor_g,
- lortensor_rankn,
- lortensor_rank1,
- lortensor_rank2,
- // lortensor_delta,
- lortensor_epsilon
- } lortensor_types;
-
- // member functions
-
- // default constructor, destructor, copy constructor assignment operator and helpers
+ typedef enum {
+ invalid,
+ lortensor_g,
+ lortensor_rankn,
+ lortensor_rank1,
+ lortensor_rank2,
+ // lortensor_delta,
+ lortensor_epsilon
+ } lortensor_types;
+
+ // member functions
+
+ // default constructor, destructor, copy constructor assignment operator and helpers
public:
- lortensor();
- ~lortensor();
- lortensor(lortensor const & other);
- lortensor const & operator=(lortensor const & other);
+ lortensor();
+ ~lortensor();
+ lortensor(const lortensor & other);
+ const lortensor & operator=(const lortensor & other);
protected:
- void copy(lortensor const & other);
- void destroy(bool call_parent);
+ void copy(const lortensor & other);
+ void destroy(bool call_parent);
- // other constructors
+ // other constructors
protected:
- lortensor(lortensor_types const lt, string const & n);
- lortensor(lortensor_types const lt, string const & n, ex const & mu);
- lortensor(lortensor_types const lt, string const & n, ex const & mu, ex const & nu);
- lortensor(lortensor_types const lt, string const & n, ex const & mu, ex const & nu,
- ex const & rho);
- lortensor(lortensor_types const lt, string const & n, ex const & mu, ex const & nu, ex const & rho, ex const & sigma);
- lortensor(lortensor_types const lt, string const & n, exvector const & iv);
- lortensor(lortensor_types const lt, string const & n, unsigned s, exvector const & iv);
- lortensor(lortensor_types const lt, string const & n, unsigned s, exvector * ivp);
-
- //functions overriding virtual functions from base classes
+ lortensor(lortensor_types const lt, const std::string & n);
+ lortensor(lortensor_types const lt, const std::string & n, const ex & mu);
+ lortensor(lortensor_types const lt, const std::string & n, const ex & mu, const ex & nu);
+ lortensor(lortensor_types const lt, const std::string & n, const ex & mu, const ex & nu, const ex & rho);
+ lortensor(lortensor_types const lt, const std::string & n, const ex & mu, const ex & nu, const ex & rho, const ex & sigma);
+ lortensor(lortensor_types const lt, const std::string & n, const exvector & iv);
+ lortensor(lortensor_types const lt, const std::string & n, unsigned s, const exvector & iv);
+ lortensor(lortensor_types const lt, const std::string & n, unsigned s, exvector * ivp);
+
+ //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;
- ex eval(int level=0) const;
+ basic * duplicate() const;
+ void printraw(std::ostream & os) const;
+ void printtree(std::ostream & os, unsigned indent) const;
+ void print(std::ostream & os, unsigned upper_precedence=0) const;
+ void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence=0) const;
+ bool info(unsigned inf) const;
+ ex eval(int level=0) const;
protected:
- int compare_same_type(basic const & other) const;
- bool is_equal_same_type(basic const & other) const;
- unsigned return_type(void) const;
- unsigned return_type_tinfo(void) const;
- ex thisexprseq(exvector const & v) const;
- ex thisexprseq(exvector * vp) const;
+ int compare_same_type(const basic & other) const;
+ bool is_equal_same_type(const basic & other) const;
+ unsigned return_type(void) const;
+ unsigned return_type_tinfo(void) const;
+ ex thisexprseq(const exvector & v) const;
+ ex thisexprseq(exvector * vp) const;
- // new virtual functions which can be overridden by derived classes
- // none
+ // new virtual functions which can be overridden by derived classes
+ // none
- //non virtual functions in this class
+ //non virtual functions in this class
public:
- void setname(string const & n);
- string getname(void) const {return name;}
+ void setname(const std::string & n);
+ std::string getname(void) const {return name;}
protected:
- bool all_of_type_lorentzidx(void) const;
+ bool all_of_type_lorentzidx(void) const;
private:
- string & autoname_prefix(void);
+ std::string & autoname_prefix(void);
- //member variables
+ //member variables
protected:
- lortensor_types type;
- string name;
- unsigned serial;
+ lortensor_types type;
+ std::string name;
+ unsigned serial;
private:
- static unsigned next_serial;
+ static unsigned next_serial;
};
// global constants
- extern const lortensor some_lortensor;
- extern type_info const & typeid_lortensor;
+extern const lortensor some_lortensor;
+extern const std::type_info & typeid_lortensor;
// utility functions
-
+
inline const lortensor & ex_to_lortensor(const ex &e)
{
return static_cast<const lortensor &>(*e.bp);
return static_cast<lortensor &>(*e.bp);
}
-lortensor lortensor_g(ex const & mu, ex const & nu);
-ex simplify_lortensor_mul(ex const & m);
-ex simplify_lortensor(ex const & e);
+lortensor lortensor_g(const ex & mu, const ex & nu);
+ex simplify_lortensor_mul(const ex & m);
+ex simplify_lortensor(const ex & e);
ex Dim(void);
-#ifndef NO_GINAC_NAMESPACE
+#ifndef NO_NAMESPACE_GINAC
} // namespace GiNaC
-#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
#endif // ndef __GINAC_LORTENSOR_H__
git://www.ginac.de / ginac.git / blobdiff