* Implementation of GiNaC's symbolic objects. */
/*
- * GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2004 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 "archive.h"
#include "tostring.h"
#include "utils.h"
+#include "inifcns.h"
namespace GiNaC {
// default constructor
//////////
+// symbol
+
symbol::symbol()
- : inherited(TINFO_symbol), asexinfop(new assigned_ex_info), serial(next_serial++), name(autoname_prefix() + ToString(serial)), TeX_name(name)
+ : inherited(TINFO_symbol), asexinfop(new assigned_ex_info), serial(next_serial++), name(autoname_prefix() + ToString(serial)), TeX_name(name), ret_type(return_types::commutative), ret_type_tinfo(TINFO_symbol), domain(domain::complex)
{
setflag(status_flags::evaluated | status_flags::expanded);
}
+// realsymbol
+
+realsymbol::realsymbol()
+{
+ domain = domain::real;
+}
+
//////////
// other constructors
//////////
// public
-symbol::symbol(const std::string & initname)
- : inherited(TINFO_symbol), asexinfop(new assigned_ex_info), serial(next_serial++), name(initname), TeX_name(default_TeX_name())
+// symbol
+
+symbol::symbol(const std::string & initname, unsigned domain)
+ : inherited(TINFO_symbol), asexinfop(new assigned_ex_info), serial(next_serial++), name(initname), TeX_name(default_TeX_name()), ret_type(return_types::commutative), ret_type_tinfo(TINFO_symbol), domain(domain)
+{
+ setflag(status_flags::evaluated | status_flags::expanded);
+}
+
+symbol::symbol(const std::string & initname, const std::string & texname, unsigned domain)
+ : inherited(TINFO_symbol), asexinfop(new assigned_ex_info), serial(next_serial++), name(initname), TeX_name(texname), ret_type(return_types::commutative), ret_type_tinfo(TINFO_symbol), domain(domain)
+{
+ setflag(status_flags::evaluated | status_flags::expanded);
+}
+
+symbol::symbol(const std::string & initname, unsigned rt, unsigned rtt, unsigned domain)
+ : inherited(TINFO_symbol), asexinfop(new assigned_ex_info), serial(next_serial++), name(initname), TeX_name(default_TeX_name()), ret_type(rt), ret_type_tinfo(rtt), domain(domain)
{
setflag(status_flags::evaluated | status_flags::expanded);
}
-symbol::symbol(const std::string & initname, const std::string & texname)
- : inherited(TINFO_symbol), asexinfop(new assigned_ex_info), serial(next_serial++), name(initname), TeX_name(texname)
+symbol::symbol(const std::string & initname, const std::string & texname, unsigned rt, unsigned rtt, unsigned domain)
+ : inherited(TINFO_symbol), asexinfop(new assigned_ex_info), serial(next_serial++), name(initname), TeX_name(texname), ret_type(rt), ret_type_tinfo(rtt), domain(domain)
{
setflag(status_flags::evaluated | status_flags::expanded);
}
+// realsymbol
+
+realsymbol::realsymbol(const std::string & initname, unsigned domain)
+ : symbol(initname, domain) { }
+
+realsymbol::realsymbol(const std::string & initname, const std::string & texname, unsigned domain)
+ : symbol(initname, texname, domain) { }
+
+realsymbol::realsymbol(const std::string & initname, unsigned rt, unsigned rtt, unsigned domain)
+ : symbol(initname, rt, rtt, domain) { }
+
+realsymbol::realsymbol(const std::string & initname, const std::string & texname, unsigned rt, unsigned rtt, unsigned domain)
+ : symbol(initname, texname, rt, rtt, domain) { }
+
//////////
// archiving
//////////
symbol::symbol(const archive_node &n, lst &sym_lst)
: inherited(n, sym_lst), asexinfop(new assigned_ex_info), serial(next_serial++)
{
- if (!(n.find_string("name", name)))
+ if (!n.find_string("name", name))
name = autoname_prefix() + ToString(serial);
- if (!(n.find_string("TeXname", TeX_name)))
+ if (!n.find_string("TeXname", TeX_name))
TeX_name = default_TeX_name();
- setflag(status_flags::evaluated);
+ if (!n.find_unsigned("domain", domain))
+ domain = domain::complex;
+ if (!n.find_unsigned("return_type", ret_type))
+ ret_type = return_types::commutative;
+ if (!n.find_unsigned("return_type_tinfo", ret_type_tinfo))
+ ret_type_tinfo = TINFO_symbol;
+ setflag(status_flags::evaluated | status_flags::expanded);
}
/** Unarchive the object. */
n.add_string("name", name);
if (TeX_name != default_TeX_name())
n.add_string("TeX_name", TeX_name);
+ if (domain != domain::complex)
+ n.add_unsigned("domain", domain);
+ if (ret_type != return_types::commutative)
+ n.add_unsigned("return_type", ret_type);
+ if (ret_type_tinfo != TINFO_symbol)
+ n.add_unsigned("return_type_tinfo", ret_type_tinfo);
}
//////////
void symbol::do_print_tree(const print_tree & c, unsigned level) const
{
- c.s << std::string(level, ' ') << name << " (" << class_name() << ")"
+ c.s << std::string(level, ' ') << name << " (" << class_name() << ")" << " @" << this
<< ", serial=" << serial
<< std::hex << ", hash=0x" << hashvalue << ", flags=0x" << flags << std::dec
+ << ", domain=" << domain
<< std::endl;
}
bool symbol::info(unsigned inf) const
{
- if (inf==info_flags::symbol) return true;
- if (inf==info_flags::polynomial ||
- inf==info_flags::integer_polynomial ||
- inf==info_flags::cinteger_polynomial ||
- inf==info_flags::rational_polynomial ||
- inf==info_flags::crational_polynomial ||
- inf==info_flags::rational_function)
+ if (inf == info_flags::symbol)
return true;
+ if (inf == info_flags::polynomial ||
+ inf == info_flags::integer_polynomial ||
+ inf == info_flags::cinteger_polynomial ||
+ inf == info_flags::rational_polynomial ||
+ inf == info_flags::crational_polynomial ||
+ inf == info_flags::rational_function)
+ return true;
+ if (inf == info_flags::real)
+ return domain == domain::real;
else
return inherited::info(inf);
}
}
}
+ex symbol::conjugate() const
+{
+ if (this->domain == domain::complex) {
+ return GiNaC::conjugate_function(*this).hold();
+ } else {
+ return *this;
+ }
+}
+
// protected
/** Implementation of ex::diff() for single differentiation of a symbol.
//////////
/** Default ctor. Defaults to unassigned. */
-symbol::assigned_ex_info::assigned_ex_info() : is_assigned(false)
+symbol::assigned_ex_info::assigned_ex_info() throw() : is_assigned(false)
{
}