* Interface to GiNaC's constant types and some special constants. */
/*
- * GiNaC Copyright (C) 1999-2006 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2019 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
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef __GINAC_CONSTANT_H__
-#define __GINAC_CONSTANT_H__
+#ifndef GINAC_CONSTANT_H
+#define GINAC_CONSTANT_H
-#include <string>
#include "basic.h"
#include "ex.h"
+#include "archive.h"
+
+#include <string>
namespace GiNaC {
class constant : public basic
{
GINAC_DECLARE_REGISTERED_CLASS(constant, basic)
-
-// member functions
-
// other constructors
public:
- constant(const std::string & initname, evalffunctype efun = 0, const std::string & texname = std::string());
- constant(const std::string & initname, const numeric & initnumber, const std::string & texname = std::string());
+ constant(const std::string & initname, evalffunctype efun = nullptr, const std::string & texname = std::string(), unsigned domain = domain::complex);
+ constant(const std::string & initname, const numeric & initnumber, const std::string & texname = std::string(), unsigned domain = domain::complex);
// functions overriding virtual functions from base classes
public:
- ex evalf(int level = 0) const;
+ bool info(unsigned inf) const override;
+ ex evalf() const override;
+ bool is_polynomial(const ex & var) const override;
+ ex conjugate() const override;
+ ex real_part() const override;
+ ex imag_part() const override;
+ void archive(archive_node& n) const override;
+ void read_archive(const archive_node& n, lst& syms) override;
protected:
- ex derivative(const symbol & s) const;
- bool is_equal_same_type(const basic & other) const;
- unsigned calchash() const;
+ ex derivative(const symbol & s) const override;
+ bool is_equal_same_type(const basic & other) const override;
+ unsigned calchash() const override;
// non-virtual functions in this class
protected:
ex number; ///< numerical value this constant evalf()s to
unsigned serial; ///< unique serial number for comparison
static unsigned next_serial;
+ unsigned domain; ///< numerical value this constant evalf()s to
};
+GINAC_DECLARE_UNARCHIVER(constant);
extern const constant Pi;
extern const constant Catalan;
} // namespace GiNaC
-#endif // ndef __GINAC_CONSTANT_H__
+#endif // ndef GINAC_CONSTANT_H