#include "print.h"
#include "archive.h"
#include "debugmsg.h"
+#include "tostring.h"
#include "utils.h"
namespace GiNaC {
symbol::symbol() : inherited(TINFO_symbol), serial(next_serial++)
{
debugmsg("symbol default ctor", LOGLEVEL_CONSTRUCT);
- name = autoname_prefix()+ToString(serial);
+ name = TeX_name = autoname_prefix()+ToString(serial);
asexinfop = new assigned_ex_info;
setflag(status_flags::evaluated | status_flags::expanded);
}
{
inherited::copy(other);
name = other.name;
+ TeX_name = other.TeX_name;
serial = other.serial;
asexinfop = other.asexinfop;
++asexinfop->refcount;
{
debugmsg("symbol ctor from string", LOGLEVEL_CONSTRUCT);
name = initname;
+ TeX_name = default_TeX_name();
+ serial = next_serial++;
+ asexinfop = new assigned_ex_info;
+ setflag(status_flags::evaluated | status_flags::expanded);
+}
+
+symbol::symbol(const std::string & initname, const std::string & texname) : inherited(TINFO_symbol)
+{
+ debugmsg("symbol ctor from string", LOGLEVEL_CONSTRUCT);
+ name = initname;
+ TeX_name = texname;
serial = next_serial++;
asexinfop = new assigned_ex_info;
setflag(status_flags::evaluated | status_flags::expanded);
serial = next_serial++;
if (!(n.find_string("name", name)))
name = autoname_prefix() + ToString(serial);
+ if (!(n.find_string("TeXname", TeX_name)))
+ TeX_name = default_TeX_name();
asexinfop = new assigned_ex_info;
setflag(status_flags::evaluated);
}
// If symbol is in sym_lst, return the existing symbol
for (unsigned i=0; i<sym_lst.nops(); i++) {
- if (is_ex_of_type(sym_lst.op(i), symbol) && (ex_to_symbol(sym_lst.op(i)).name == ex_to_symbol(s).name))
+ if (is_ex_of_type(sym_lst.op(i), symbol) && (ex_to<symbol>(sym_lst.op(i)).name == ex_to<symbol>(s).name))
return sym_lst.op(i);
}
return s;
{
inherited::archive(n);
n.add_string("name", name);
+ if (TeX_name != default_TeX_name())
+ n.add_string("TeX_name", TeX_name);
}
//////////
-// functions overriding virtual functions from bases classes
+// functions overriding virtual functions from base classes
//////////
// public
<< std::hex << ", hash=0x" << hashvalue << ", flags=0x" << flags << std::dec
<< std::endl;
- } else if (is_of_type(c, print_latex)) {
- if (name=="alpha" || name=="beta" || name=="gamma"
- || name=="delta" || name=="epsilon" || name=="varepsilon"
- || name=="zeta" || name=="eta" || name=="theta"
- || name=="vartheta" || name=="iota" || name=="kappa"
- || name=="lambda" || name=="mu" || name=="nu"
- || name=="xi" || name=="omicron" || name=="pi"
- || name=="varpi" || name=="rho" || name=="varrho"
- || name=="sigma" || name=="varsigma" || name=="tau"
- || name=="upsilon" || name=="phi" || name=="varphix"
- || name=="chi" || name=="psi" || name=="omega"
- || name=="Gamma" || name=="Delta" || name=="Theta"
- || name=="Lambda" || name=="Xi" || name=="Pi"
- || name=="Sigma" || name=="Upsilon" || name=="Phi"
- || name=="Psi" || name=="Omega")
- c.s << "\\" << name;
- else
- c.s << name;
- } else
+ } else if (is_of_type(c, print_latex))
+ c.s << TeX_name;
+ else
c.s << name;
}
return inherited::info(inf);
}
-ex symbol::expand(unsigned options) const
-{
- return this->hold();
-}
-
-bool symbol::has(const ex & other) const
-{
- if (this->is_equal(*other.bp))
- return true;
- else
- return false;
-}
-
int symbol::degree(const ex & s) const
{
return is_equal(*s.bp) ? 1 : 0;
return serial==o->serial;
}
-unsigned symbol::return_type(void) const
-{
- return return_types::commutative;
-}
-
-unsigned symbol::return_type_tinfo(void) const
-{
- return tinfo_key;
-}
-
unsigned symbol::calchash(void) const
{
// this is where the schoolbook method
return *s;
}
+/** Return default TeX name for symbol. This recognizes some greek letters. */
+std::string symbol::default_TeX_name(void) const
+{
+ if (name=="alpha" || name=="beta" || name=="gamma"
+ || name=="delta" || name=="epsilon" || name=="varepsilon"
+ || name=="zeta" || name=="eta" || name=="theta"
+ || name=="vartheta" || name=="iota" || name=="kappa"
+ || name=="lambda" || name=="mu" || name=="nu"
+ || name=="xi" || name=="omicron" || name=="pi"
+ || name=="varpi" || name=="rho" || name=="varrho"
+ || name=="sigma" || name=="varsigma" || name=="tau"
+ || name=="upsilon" || name=="phi" || name=="varphi"
+ || name=="chi" || name=="psi" || name=="omega"
+ || name=="Gamma" || name=="Delta" || name=="Theta"
+ || name=="Lambda" || name=="Xi" || name=="Pi"
+ || name=="Sigma" || name=="Upsilon" || name=="Phi"
+ || name=="Psi" || name=="Omega")
+ return "\\" + name;
+ else
+ return name;
+}
+
//////////
// static member variables
//////////