-$maxargs=13;
+# This perl script automatically generates function.h and function.cpp
+
+# function.pl options: \$maxargs=${maxargs}
+#
+# GiNaC Copyright (C) 1999-2009 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
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+$maxargs=14;
sub generate_seq {
my ($seq_template,$n)=@_;
$declare_function_macro = generate(
<<'END_OF_DECLARE_FUNCTION_MACRO','typename T${N}','const T${N} & p${N}','GiNaC::ex(p${N})');
#define DECLARE_FUNCTION_${N}P(NAME) \\
-extern const unsigned function_index_##NAME; \\
-template<${SEQ1}> \\
-inline const GiNaC::function NAME(${SEQ2}) { \\
- return GiNaC::function(function_index_##NAME, ${SEQ3}); \\
+class NAME##_SERIAL { public: static unsigned serial; }; \\
+const unsigned NAME##_NPARAMS = ${N}; \\
+template<${SEQ1}> const GiNaC::function NAME(${SEQ2}) { \\
+ return GiNaC::function(NAME##_SERIAL::serial, ${SEQ3}); \\
}
END_OF_DECLARE_FUNCTION_MACRO
'typedef ex (* evalf_funcp_${N})(${SEQ1});'."\n",
'const ex &','','');
+$typedef_conjugate_funcp=generate(
+'typedef ex (* conjugate_funcp_${N})(${SEQ1});'."\n",
+'const ex &','','');
+
+$typedef_real_part_funcp=generate(
+'typedef ex (* real_part_funcp_${N})(${SEQ1});'."\n",
+'const ex &','','');
+
+$typedef_imag_part_funcp=generate(
+'typedef ex (* imag_part_funcp_${N})(${SEQ1});'."\n",
+'const ex &','','');
+
$typedef_derivative_funcp=generate(
'typedef ex (* derivative_funcp_${N})(${SEQ1}, unsigned);'."\n",
'const ex &','','');
+$typedef_power_funcp=generate(
+'typedef ex (* power_funcp_${N})(${SEQ1}, const ex &);'."\n",
+'const ex &','','');
+
$typedef_series_funcp=generate(
'typedef ex (* series_funcp_${N})(${SEQ1}, const relational &, int, unsigned);'."\n",
'const ex &','','');
+$typedef_print_funcp=generate(
+'typedef void (* print_funcp_${N})(${SEQ1}, const print_context &);'."\n",
+'const ex &','','');
+
$eval_func_interface=generate(' function_options & eval_func(eval_funcp_${N} e);'."\n",'','','');
$evalf_func_interface=generate(' function_options & evalf_func(evalf_funcp_${N} ef);'."\n",'','','');
+$conjugate_func_interface=generate(' function_options & conjugate_func(conjugate_funcp_${N} d);'."\n",'','','');
+
+$real_part_func_interface=generate(' function_options & real_part_func(real_part_funcp_${N} d);'."\n",'','','');
+
+$imag_part_func_interface=generate(' function_options & imag_part_func(imag_part_funcp_${N} d);'."\n",'','','');
+
$derivative_func_interface=generate(' function_options & derivative_func(derivative_funcp_${N} d);'."\n",'','','');
+$power_func_interface=generate(' function_options & power_func(power_funcp_${N} d);'."\n",'','','');
+
$series_func_interface=generate(' function_options & series_func(series_funcp_${N} s);'."\n",'','','');
+$print_func_interface=generate(
+ <<'END_OF_PRINT_FUNC_INTERFACE','','','');
+ template <class Ctx> function_options & print_func(print_funcp_${N} p)
+ {
+ test_and_set_nparams(${N});
+ set_print_func(Ctx::get_class_info_static().options.get_id(), print_funcp(p));
+ return *this;
+ }
+END_OF_PRINT_FUNC_INTERFACE
+
$constructors_interface=generate(
' function(unsigned ser, ${SEQ1});'."\n",
'const ex & param${N}','','');
function::function(unsigned ser, ${SEQ1})
: exprseq(${SEQ2}), serial(ser)
{
- tinfo_key = TINFO_function;
}
END_OF_CONSTRUCTORS_IMPLEMENTATION
$eval_switch_statement=generate(
<<'END_OF_EVAL_SWITCH_STATEMENT','seq[${N}-1]','','');
case ${N}:
- eval_result = ((eval_funcp_${N})(registered_functions()[serial].eval_f))(${SEQ1});
+ eval_result = ((eval_funcp_${N})(opt.eval_f))(${SEQ1});
break;
END_OF_EVAL_SWITCH_STATEMENT
$evalf_switch_statement=generate(
<<'END_OF_EVALF_SWITCH_STATEMENT','eseq[${N}-1]','','');
case ${N}:
- return ((evalf_funcp_${N})(registered_functions()[serial].evalf_f))(${SEQ1});
+ return ((evalf_funcp_${N})(opt.evalf_f))(${SEQ1});
END_OF_EVALF_SWITCH_STATEMENT
+$conjugate_switch_statement=generate(
+ <<'END_OF_DIFF_SWITCH_STATEMENT','seq[${N}-1]','','');
+ case ${N}:
+ return ((conjugate_funcp_${N})(opt.conjugate_f))(${SEQ1});
+END_OF_DIFF_SWITCH_STATEMENT
+
+$real_part_switch_statement=generate(
+ <<'END_OF_DIFF_SWITCH_STATEMENT','seq[${N}-1]','','');
+ case ${N}:
+ return ((real_part_funcp_${N})(opt.real_part_f))(${SEQ1});
+END_OF_DIFF_SWITCH_STATEMENT
+
+$imag_part_switch_statement=generate(
+ <<'END_OF_DIFF_SWITCH_STATEMENT','seq[${N}-1]','','');
+ case ${N}:
+ return ((imag_part_funcp_${N})(opt.imag_part_f))(${SEQ1});
+END_OF_DIFF_SWITCH_STATEMENT
+
$diff_switch_statement=generate(
<<'END_OF_DIFF_SWITCH_STATEMENT','seq[${N}-1]','','');
case ${N}:
- return ((derivative_funcp_${N})(registered_functions()[serial].derivative_f))(${SEQ1},diff_param);
+ return ((derivative_funcp_${N})(opt.derivative_f))(${SEQ1},diff_param);
END_OF_DIFF_SWITCH_STATEMENT
+$power_switch_statement=generate(
+ <<'END_OF_POWER_SWITCH_STATEMENT','seq[${N}-1]','','');
+ case ${N}:
+ return ((power_funcp_${N})(opt.power_f))(${SEQ1},power_param);
+END_OF_POWER_SWITCH_STATEMENT
+
$series_switch_statement=generate(
<<'END_OF_SERIES_SWITCH_STATEMENT','seq[${N}-1]','','');
case ${N}:
try {
- res = ((series_funcp_${N})(registered_functions()[serial].series_f))(${SEQ1},r,order,options);
+ res = ((series_funcp_${N})(opt.series_f))(${SEQ1},r,order,options);
} catch (do_taylor) {
res = basic::series(r, order, options);
}
return res;
END_OF_SERIES_SWITCH_STATEMENT
+$print_switch_statement=generate(
+ <<'END_OF_PRINT_SWITCH_STATEMENT','seq[${N}-1]','','');
+ case ${N}:
+ ((print_funcp_${N})(pdt[id]))(${SEQ1}, c);
+ break;
+END_OF_PRINT_SWITCH_STATEMENT
+
$eval_func_implementation=generate(
<<'END_OF_EVAL_FUNC_IMPLEMENTATION','','','');
function_options & function_options::eval_func(eval_funcp_${N} e)
}
END_OF_EVALF_FUNC_IMPLEMENTATION
+$conjugate_func_implementation=generate(
+ <<'END_OF_CONJUGATE_FUNC_IMPLEMENTATION','','','');
+function_options & function_options::conjugate_func(conjugate_funcp_${N} c)
+{
+ test_and_set_nparams(${N});
+ conjugate_f = conjugate_funcp(c);
+ return *this;
+}
+END_OF_CONJUGATE_FUNC_IMPLEMENTATION
+
+$real_part_func_implementation=generate(
+ <<'END_OF_REAL_PART_FUNC_IMPLEMENTATION','','','');
+function_options & function_options::real_part_func(real_part_funcp_${N} c)
+{
+ test_and_set_nparams(${N});
+ real_part_f = real_part_funcp(c);
+ return *this;
+}
+END_OF_REAL_PART_FUNC_IMPLEMENTATION
+
+$imag_part_func_implementation=generate(
+ <<'END_OF_IMAG_PART_FUNC_IMPLEMENTATION','','','');
+function_options & function_options::imag_part_func(imag_part_funcp_${N} c)
+{
+ test_and_set_nparams(${N});
+ imag_part_f = imag_part_funcp(c);
+ return *this;
+}
+END_OF_IMAG_PART_FUNC_IMPLEMENTATION
+
$derivative_func_implementation=generate(
<<'END_OF_DERIVATIVE_FUNC_IMPLEMENTATION','','','');
function_options & function_options::derivative_func(derivative_funcp_${N} d)
}
END_OF_DERIVATIVE_FUNC_IMPLEMENTATION
+$power_func_implementation=generate(
+ <<'END_OF_POWER_FUNC_IMPLEMENTATION','','','');
+function_options & function_options::power_func(power_funcp_${N} d)
+{
+ test_and_set_nparams(${N});
+ power_f = power_funcp(d);
+ return *this;
+}
+END_OF_POWER_FUNC_IMPLEMENTATION
+
$series_func_implementation=generate(
<<'END_OF_SERIES_FUNC_IMPLEMENTATION','','','');
function_options & function_options::series_func(series_funcp_${N} s)
* Please do not modify it directly, edit the perl script instead!
* function.pl options: \$maxargs=${maxargs}
*
- * GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2009 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
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef __GINAC_FUNCTION_H__
-#define __GINAC_FUNCTION_H__
+#ifndef GINAC_FUNCTION_H
+#define GINAC_FUNCTION_H
-#include <string>
-#include <vector>
+#include "exprseq.h"
// CINT needs <algorithm> to work properly with <vector>
#include <algorithm>
-
-#include "exprseq.h"
+#include <string>
+#include <vector>
// the following lines have been generated for max. ${maxargs} parameters
$declare_function_macro
// end of generated lines
#define REGISTER_FUNCTION(NAME,OPT) \\
-const unsigned function_index_##NAME= \\
- GiNaC::function::register_new(GiNaC::function_options(#NAME).OPT);
+unsigned NAME##_SERIAL::serial = \\
+ GiNaC::function::register_new(GiNaC::function_options(#NAME, NAME##_NPARAMS).OPT);
namespace GiNaC {
typedef ex (* eval_funcp)();
typedef ex (* evalf_funcp)();
+typedef ex (* conjugate_funcp)();
+typedef ex (* real_part_funcp)();
+typedef ex (* imag_part_funcp)();
typedef ex (* derivative_funcp)();
+typedef ex (* power_funcp)();
typedef ex (* series_funcp)();
+typedef void (* print_funcp)();
// the following lines have been generated for max. ${maxargs} parameters
$typedef_eval_funcp
$typedef_evalf_funcp
+$typedef_conjugate_funcp
+$typedef_real_part_funcp
+$typedef_imag_part_funcp
$typedef_derivative_funcp
+$typedef_power_funcp
$typedef_series_funcp
+$typedef_print_funcp
// end of generated lines
// Alternatively, an exvector may be passed into the static function, instead
// of individual ex objects. Then, the number of arguments is not limited.
typedef ex (* eval_funcp_exvector)(const exvector &);
typedef ex (* evalf_funcp_exvector)(const exvector &);
+typedef ex (* conjugate_funcp_exvector)(const exvector &);
+typedef ex (* real_part_funcp_exvector)(const exvector &);
+typedef ex (* imag_part_funcp_exvector)(const exvector &);
typedef ex (* derivative_funcp_exvector)(const exvector &, unsigned);
+typedef ex (* power_funcp_exvector)(const exvector &, const ex &);
typedef ex (* series_funcp_exvector)(const exvector &, const relational &, int, unsigned);
+typedef void (* print_funcp_exvector)(const exvector &, const print_context &);
+
class function_options
{
public:
function_options();
function_options(std::string const & n, std::string const & tn=std::string());
+ function_options(std::string const & n, unsigned np);
~function_options();
- void initialize(void);
+ void initialize();
+
+ function_options & dummy() { return *this; }
function_options & set_name(std::string const & n, std::string const & tn=std::string());
function_options & latex_name(std::string const & tn);
// the following lines have been generated for max. ${maxargs} parameters
$eval_func_interface
$evalf_func_interface
+$conjugate_func_interface
+$real_part_func_interface
+$imag_part_func_interface
$derivative_func_interface
+$power_func_interface
$series_func_interface
+$print_func_interface
// end of generated lines
function_options & eval_func(eval_funcp_exvector e);
function_options & evalf_func(evalf_funcp_exvector ef);
+ function_options & conjugate_func(conjugate_funcp_exvector d);
+ function_options & real_part_func(real_part_funcp_exvector d);
+ function_options & imag_part_func(imag_part_funcp_exvector d);
function_options & derivative_func(derivative_funcp_exvector d);
+ function_options & power_func(power_funcp_exvector d);
function_options & series_func(series_funcp_exvector s);
- function_options & set_return_type(unsigned rt, unsigned rtt=0);
- function_options & do_not_evalf_params(void);
+ template <class Ctx> function_options & print_func(print_funcp_exvector p)
+ {
+ print_use_exvector_args = true;
+ set_print_func(Ctx::get_class_info_static().options.get_id(), print_funcp(p));
+ return *this;
+ }
+
+ function_options & set_return_type(unsigned rt, const return_type_t* rtt = 0);
+ function_options & do_not_evalf_params();
function_options & remember(unsigned size, unsigned assoc_size=0,
unsigned strategy=remember_strategies::delete_never);
function_options & overloaded(unsigned o);
function_options & set_symmetry(const symmetry & s);
- void test_and_set_nparams(unsigned n);
- std::string get_name(void) const { return name; }
- unsigned get_nparams(void) const { return nparams; }
- bool has_derivative(void) const { return derivative_f != NULL; }
+
+ std::string get_name() const { return name; }
+ unsigned get_nparams() const { return nparams; }
protected:
+ bool has_derivative() const { return derivative_f != NULL; }
+ bool has_power() const { return power_f != NULL; }
+ void test_and_set_nparams(unsigned n);
+ void set_print_func(unsigned id, print_funcp f);
+
std::string name;
std::string TeX_name;
eval_funcp eval_f;
evalf_funcp evalf_f;
+ conjugate_funcp conjugate_f;
+ real_part_funcp real_part_f;
+ imag_part_funcp imag_part_f;
derivative_funcp derivative_f;
+ power_funcp power_f;
series_funcp series_f;
+ std::vector<print_funcp> print_dispatch_table;
bool evalf_params_first;
bool use_return_type;
unsigned return_type;
- unsigned return_type_tinfo;
+ return_type_t return_type_tinfo;
bool use_remember;
unsigned remember_size;
bool eval_use_exvector_args;
bool evalf_use_exvector_args;
+ bool conjugate_use_exvector_args;
+ bool real_part_use_exvector_args;
+ bool imag_part_use_exvector_args;
bool derivative_use_exvector_args;
+ bool power_use_exvector_args;
bool series_use_exvector_args;
+ bool print_use_exvector_args;
unsigned functions_with_same_name;
ex symtree;
};
+
+/** Exception class thrown by classes which provide their own series expansion
+ * to signal that ordinary Taylor expansion is safe. */
+class do_taylor {};
+
+
/** The class function is used to implement builtin functions like sin, cos...
and user defined functions */
class function : public exprseq
// CINT has a linking problem
#ifndef __MAKECINT__
- friend void ginsh_get_ginac_functions(void);
+ friend void ginsh_get_ginac_functions();
#endif // def __MAKECINT__
friend class remember_table_entry;
// member functions
- // other ctors
+ // other constructors
public:
function(unsigned ser);
// the following lines have been generated for max. ${maxargs} parameters
// end of generated lines
function(unsigned ser, const exprseq & es);
function(unsigned ser, const exvector & v, bool discardable = false);
- function(unsigned ser, exvector * vp); // vp will be deleted
+ function(unsigned ser, std::auto_ptr<exvector> vp);
// functions overriding virtual functions from base classes
public:
void print(const print_context & c, unsigned level = 0) const;
- unsigned precedence(void) const {return 70;}
- int degree(const ex & s) const;
- int ldegree(const ex & s) const;
- ex coeff(const ex & s, int n = 1) const;
+ unsigned precedence() const {return 70;}
ex expand(unsigned options=0) const;
ex eval(int level=0) const;
ex evalf(int level=0) const;
- unsigned calchash(void) const;
+ ex eval_ncmul(const exvector & v) const;
+ unsigned calchash() const;
ex series(const relational & r, int order, unsigned options = 0) const;
- ex thisexprseq(const exvector & v) const;
- ex thisexprseq(exvector * vp) const;
+ ex thiscontainer(const exvector & v) const;
+ ex thiscontainer(std::auto_ptr<exvector> vp) const;
+ ex conjugate() const;
+ ex real_part() const;
+ ex imag_part() const;
+ void archive(archive_node& n) const;
+ void read_archive(const archive_node& n, lst& syms);
protected:
ex derivative(const symbol & s) const;
bool is_equal_same_type(const basic & other) const;
bool match_same_type(const basic & other) const;
- unsigned return_type(void) const;
- unsigned return_type_tinfo(void) const;
+ unsigned return_type() const;
+ return_type_t return_type_tinfo() const;
// new virtual functions which can be overridden by derived classes
// none
// non-virtual functions in this class
protected:
ex pderivative(unsigned diff_param) const; // partial differentiation
- static std::vector<function_options> & registered_functions(void);
+ static std::vector<function_options> & registered_functions();
bool lookup_remember_table(ex & result) const;
void store_remember_table(ex const & result) const;
public:
+ ex power(const ex & exp) const;
static unsigned register_new(function_options const & opt);
static unsigned current_serial;
static unsigned find_function(const std::string &name, unsigned nparams);
- unsigned get_serial(void) const {return serial;}
- std::string get_name(void) const;
+ unsigned get_serial() const {return serial;}
+ std::string get_name() const;
// member variables
protected:
unsigned serial;
};
+GINAC_DECLARE_UNARCHIVER(function);
// utility functions/macros
-/** Specialization of is_exactly_a<function>(obj) for objects of type function. */
-template<> inline bool is_exactly_a<function>(const basic & obj)
+template <typename T>
+inline bool is_the_function(const ex & x)
{
- return obj.tinfo()==TINFO_function;
+ return is_exactly_a<function>(x)
+ && ex_to<function>(x).get_serial() == T::serial;
}
-#define is_ex_the_function(OBJ, FUNCNAME) \\
- (is_exactly_a<GiNaC::function>(OBJ) && ex_to<GiNaC::function>(OBJ).get_serial() == function_index_##FUNCNAME)
+// Check whether OBJ is the specified symbolic function.
+#define is_ex_the_function(OBJ, FUNCNAME) (GiNaC::is_the_function<FUNCNAME##_SERIAL>(OBJ))
} // namespace GiNaC
-#endif // ndef __GINAC_FUNCTION_H__
+#endif // ndef GINAC_FUNCTION_H
END_OF_INTERFACE
* Please do not modify it directly, edit the perl script instead!
* function.pl options: \$maxargs=${maxargs}
*
- * GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2009 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
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <iostream>
-#include <string>
-#include <stdexcept>
-#include <list>
-
#include "function.h"
+#include "operators.h"
#include "fderivative.h"
#include "ex.h"
#include "lst.h"
#include "symmetry.h"
#include "print.h"
+#include "power.h"
#include "archive.h"
#include "inifcns.h"
#include "tostring.h"
#include "utils.h"
+#include "hash_seed.h"
#include "remember.h"
+#include <iostream>
+#include <limits>
+#include <list>
+#include <stdexcept>
+#include <string>
+
namespace GiNaC {
//////////
function_options::function_options(std::string const & n, std::string const & tn)
{
initialize();
- set_name(n,tn);
+ set_name(n, tn);
+}
+
+function_options::function_options(std::string const & n, unsigned np)
+{
+ initialize();
+ set_name(n, std::string());
+ nparams = np;
}
function_options::~function_options()
// nothing to clean up at the moment
}
-void function_options::initialize(void)
+void function_options::initialize()
{
- set_name("unnamed_function","\\\\mbox{unnamed}");
+ set_name("unnamed_function", "\\\\mbox{unnamed}");
nparams = 0;
- eval_f = evalf_f = derivative_f = series_f = 0;
+ eval_f = evalf_f = real_part_f = imag_part_f = conjugate_f = derivative_f
+ = power_f = series_f = 0;
evalf_params_first = true;
use_return_type = false;
eval_use_exvector_args = false;
evalf_use_exvector_args = false;
+ conjugate_use_exvector_args = false;
+ real_part_use_exvector_args = false;
+ imag_part_use_exvector_args = false;
derivative_use_exvector_args = false;
+ power_use_exvector_args = false;
series_use_exvector_args = false;
+ print_use_exvector_args = false;
use_remember = false;
functions_with_same_name = 1;
symtree = 0;
// the following lines have been generated for max. ${maxargs} parameters
$eval_func_implementation
$evalf_func_implementation
+$conjugate_func_implementation
+$real_part_func_implementation
+$imag_part_func_implementation
$derivative_func_implementation
+$power_func_implementation
$series_func_implementation
// end of generated lines
evalf_f = evalf_funcp(ef);
return *this;
}
+function_options& function_options::conjugate_func(conjugate_funcp_exvector c)
+{
+ conjugate_use_exvector_args = true;
+ conjugate_f = conjugate_funcp(c);
+ return *this;
+}
+function_options& function_options::real_part_func(real_part_funcp_exvector c)
+{
+ real_part_use_exvector_args = true;
+ real_part_f = real_part_funcp(c);
+ return *this;
+}
+function_options& function_options::imag_part_func(imag_part_funcp_exvector c)
+{
+ imag_part_use_exvector_args = true;
+ imag_part_f = imag_part_funcp(c);
+ return *this;
+}
+
function_options& function_options::derivative_func(derivative_funcp_exvector d)
{
derivative_use_exvector_args = true;
derivative_f = derivative_funcp(d);
return *this;
}
+function_options& function_options::power_func(power_funcp_exvector d)
+{
+ power_use_exvector_args = true;
+ power_f = power_funcp(d);
+ return *this;
+}
function_options& function_options::series_func(series_funcp_exvector s)
{
series_use_exvector_args = true;
return *this;
}
-
-function_options & function_options::set_return_type(unsigned rt, unsigned rtt)
+function_options & function_options::set_return_type(unsigned rt, const return_type_t* rtt)
{
use_return_type = true;
return_type = rt;
- return_type_tinfo = rtt;
+ if (rtt != 0)
+ return_type_tinfo = *rtt;
+ else
+ return_type_tinfo = make_return_type_t<function>();
return *this;
}
-function_options & function_options::do_not_evalf_params(void)
+function_options & function_options::do_not_evalf_params()
{
evalf_params_first = false;
return *this;
} else if (nparams!=n) {
// we do not throw an exception here because this code is
// usually executed before main(), so the exception could not
- // caught anyhow
- std::cerr << "WARNING: number of parameters ("
+ // be caught anyhow
+ std::cerr << "WARNING: " << name << "(): number of parameters ("
<< n << ") differs from number set before ("
<< nparams << ")" << std::endl;
}
}
+void function_options::set_print_func(unsigned id, print_funcp f)
+{
+ if (id >= print_dispatch_table.size())
+ print_dispatch_table.resize(id + 1);
+ print_dispatch_table[id] = f;
+}
+
/** This can be used as a hook for external applications. */
unsigned function::current_serial = 0;
GINAC_IMPLEMENT_REGISTERED_CLASS(function, exprseq)
//////////
-// default ctor, dtor, copy ctor, assignment operator and helpers
+// default constructor
//////////
// public
function::function() : serial(0)
{
- tinfo_key = TINFO_function;
-}
-
-// protected
-
-void function::copy(const function & other)
-{
- inherited::copy(other);
- serial = other.serial;
-}
-
-void function::destroy(bool call_parent)
-{
- if (call_parent)
- inherited::destroy(call_parent);
}
//////////
-// other ctors
+// other constructors
//////////
// public
function::function(unsigned ser) : serial(ser)
{
- tinfo_key = TINFO_function;
}
// the following lines have been generated for max. ${maxargs} parameters
function::function(unsigned ser, const exprseq & es) : exprseq(es), serial(ser)
{
- tinfo_key = TINFO_function;
+
+ // Force re-evaluation even if the exprseq was already evaluated
+ // (the exprseq copy constructor copies the flags)
+ clearflag(status_flags::evaluated);
}
function::function(unsigned ser, const exvector & v, bool discardable)
: exprseq(v,discardable), serial(ser)
{
- tinfo_key = TINFO_function;
}
-function::function(unsigned ser, exvector * vp)
+function::function(unsigned ser, std::auto_ptr<exvector> vp)
: exprseq(vp), serial(ser)
{
- tinfo_key = TINFO_function;
}
//////////
//////////
/** Construct object from archive_node. */
-function::function(const archive_node &n, const lst &sym_lst) : inherited(n, sym_lst)
+void function::read_archive(const archive_node& n, lst& sym_lst)
{
+ inherited::read_archive(n, sym_lst);
// Find serial number by function name
std::string s;
if (n.find_string("name", s)) {
throw (std::runtime_error("unnamed function in archive"));
}
-/** Unarchive the object. */
-ex function::unarchive(const archive_node &n, const lst &sym_lst)
-{
- return (new function(n, sym_lst))->setflag(status_flags::dynallocated);
-}
-
/** Archive the object. */
void function::archive(archive_node &n) const
{
n.add_string("name", registered_functions()[serial].name);
}
+GINAC_BIND_UNARCHIVER(function);
+
//////////
// functions overriding virtual functions from base classes
//////////
void function::print(const print_context & c, unsigned level) const
{
GINAC_ASSERT(serial<registered_functions().size());
+ const function_options &opt = registered_functions()[serial];
+ const std::vector<print_funcp> &pdt = opt.print_dispatch_table;
- if (is_of_type(c, print_tree)) {
-
- c.s << std::string(level, ' ') << class_name() << " "
- << registered_functions()[serial].name
- << std::hex << ", hash=0x" << hashvalue << ", flags=0x" << flags << std::dec
- << ", nops=" << nops()
- << std::endl;
- unsigned delta_indent = static_cast<const print_tree &>(c).delta_indent;
- for (unsigned i=0; i<seq.size(); ++i)
- seq[i].print(c, level + delta_indent);
- c.s << std::string(level + delta_indent, ' ') << "=====" << std::endl;
+ // Dynamically dispatch on print_context type
+ const print_context_class_info *pc_info = &c.get_class_info();
- } else if (is_of_type(c, print_csrc)) {
+next_context:
+ unsigned id = pc_info->options.get_id();
+ if (id >= pdt.size() || pdt[id] == NULL) {
- // Print function name in lowercase
- std::string lname = registered_functions()[serial].name;
- unsigned num = lname.size();
- for (unsigned i=0; i<num; i++)
- lname[i] = tolower(lname[i]);
- c.s << lname << "(";
+ // Method not found, try parent print_context class
+ const print_context_class_info *parent_pc_info = pc_info->get_parent();
+ if (parent_pc_info) {
+ pc_info = parent_pc_info;
+ goto next_context;
+ }
- // Print arguments, separated by commas
- exvector::const_iterator it = seq.begin(), itend = seq.end();
- while (it != itend) {
- it->print(c);
- ++it;
- if (it != itend)
- c.s << ",";
+ // Method still not found, use default output
+ if (is_a<print_tree>(c)) {
+
+ c.s << std::string(level, ' ') << class_name() << " "
+ << opt.name << " @" << this
+ << std::hex << ", hash=0x" << hashvalue << ", flags=0x" << flags << std::dec
+ << ", nops=" << nops()
+ << std::endl;
+ unsigned delta_indent = static_cast<const print_tree &>(c).delta_indent;
+ for (size_t i=0; i<seq.size(); ++i)
+ seq[i].print(c, level + delta_indent);
+ c.s << std::string(level + delta_indent, ' ') << "=====" << std::endl;
+
+ } else if (is_a<print_csrc>(c)) {
+
+ // Print function name in lowercase
+ std::string lname = opt.name;
+ size_t num = lname.size();
+ for (size_t i=0; i<num; i++)
+ lname[i] = tolower(lname[i]);
+ c.s << lname;
+ printseq(c, '(', ',', ')', exprseq::precedence(), function::precedence());
+
+ } else if (is_a<print_latex>(c)) {
+ c.s << opt.TeX_name;
+ printseq(c, '(', ',', ')', exprseq::precedence(), function::precedence());
+ } else {
+ c.s << opt.name;
+ printseq(c, '(', ',', ')', exprseq::precedence(), function::precedence());
}
- c.s << ")";
- } else if (is_of_type(c, print_latex)) {
- c.s << registered_functions()[serial].TeX_name;
- printseq(c, '(', ',', ')', exprseq::precedence(), function::precedence());
} else {
- c.s << registered_functions()[serial].name;
- printseq(c, '(', ',', ')', exprseq::precedence(), function::precedence());
+
+ // Method found, call it
+ current_serial = serial;
+ if (opt.print_use_exvector_args)
+ ((print_funcp_exvector)pdt[id])(seq, c);
+ else switch (opt.nparams) {
+ // the following lines have been generated for max. ${maxargs} parameters
+${print_switch_statement}
+ // end of generated lines
+ default:
+ throw(std::logic_error("function::print(): invalid nparams"));
+ }
}
}
return (options == 0) ? setflag(status_flags::expanded) : *this;
}
-int function::degree(const ex & s) const
-{
- return is_equal(ex_to<basic>(s)) ? 1 : 0;
-}
-
-int function::ldegree(const ex & s) const
-{
- return is_equal(ex_to<basic>(s)) ? 1 : 0;
-}
-
-ex function::coeff(const ex & s, int n) const
-{
- if (is_equal(ex_to<basic>(s)))
- return n==1 ? _ex1 : _ex0;
- else
- return n==0 ? ex(*this) : _ex0;
-}
-
ex function::eval(int level) const
{
- GINAC_ASSERT(serial<registered_functions().size());
-
if (level>1) {
// first evaluate children, then we will end up here again
return function(serial,evalchildren(level));
}
+ GINAC_ASSERT(serial<registered_functions().size());
const function_options &opt = registered_functions()[serial];
// Canonicalize argument order according to the symmetry properties
exvector v = seq;
GINAC_ASSERT(is_a<symmetry>(opt.symtree));
int sig = canonicalize(v.begin(), ex_to<symmetry>(opt.symtree));
- if (sig != INT_MAX) {
+ if (sig != std::numeric_limits<int>::max()) {
// Something has changed while sorting arguments, more evaluations later
if (sig == 0)
return _ex0;
- return ex(sig) * thisexprseq(v);
+ return ex(sig) * thiscontainer(v);
}
}
return eval_result;
}
current_serial = serial;
- if (registered_functions()[serial].eval_use_exvector_args)
- eval_result = ((eval_funcp_exvector)(registered_functions()[serial].eval_f))(seq);
+ if (opt.eval_use_exvector_args)
+ eval_result = ((eval_funcp_exvector)(opt.eval_f))(seq);
else
switch (opt.nparams) {
// the following lines have been generated for max. ${maxargs} parameters
ex function::evalf(int level) const
{
GINAC_ASSERT(serial<registered_functions().size());
+ const function_options &opt = registered_functions()[serial];
// Evaluate children first
exvector eseq;
- if (level == 1)
+ if (level == 1 || !(opt.evalf_params_first))
eseq = seq;
else if (level == -max_recursion_level)
throw(std::runtime_error("max recursion level reached"));
- else
+ else {
eseq.reserve(seq.size());
- --level;
- exvector::const_iterator it = seq.begin(), itend = seq.end();
- while (it != itend) {
- eseq.push_back(it->evalf(level));
- ++it;
+ --level;
+ exvector::const_iterator it = seq.begin(), itend = seq.end();
+ while (it != itend) {
+ eseq.push_back(it->evalf(level));
+ ++it;
+ }
}
-
- if (registered_functions()[serial].evalf_f==0) {
+
+ if (opt.evalf_f==0) {
return function(serial,eseq).hold();
}
current_serial = serial;
- if (registered_functions()[serial].evalf_use_exvector_args)
- return ((evalf_funcp_exvector)(registered_functions()[serial].evalf_f))(seq);
- switch (registered_functions()[serial].nparams) {
+ if (opt.evalf_use_exvector_args)
+ return ((evalf_funcp_exvector)(opt.evalf_f))(seq);
+ switch (opt.nparams) {
// the following lines have been generated for max. ${maxargs} parameters
${evalf_switch_statement}
// end of generated lines
throw(std::logic_error("function::evalf(): invalid nparams"));
}
-unsigned function::calchash(void) const
+/**
+ * This method is defined to be in line with behaviour of function::return_type()
+ */
+ex function::eval_ncmul(const exvector & v) const
+{
+ // If this function is called then the list of arguments is non-empty
+ // and the first argument is non-commutative, see function::return_type()
+ return seq.begin()->eval_ncmul(v);
+}
+
+unsigned function::calchash() const
{
- unsigned v = golden_ratio_hash(golden_ratio_hash(tinfo()) ^ serial);
- for (unsigned i=0; i<nops(); i++) {
- v = rotate_left_31(v);
+ unsigned v = golden_ratio_hash(make_hash_seed(typeid(*this)) ^ serial);
+ for (size_t i=0; i<nops(); i++) {
+ v = rotate_left(v);
v ^= this->op(i).gethash();
}
- v &= 0x7FFFFFFFU;
+
if (flags & status_flags::evaluated) {
setflag(status_flags::hash_calculated);
hashvalue = v;
return v;
}
-ex function::thisexprseq(const exvector & v) const
+ex function::thiscontainer(const exvector & v) const
{
- return function(serial,v);
+ return function(serial, v);
}
-ex function::thisexprseq(exvector * vp) const
+ex function::thiscontainer(std::auto_ptr<exvector> vp) const
{
- return function(serial,vp);
+ return function(serial, vp);
}
/** Implementation of ex::series for functions.
ex function::series(const relational & r, int order, unsigned options) const
{
GINAC_ASSERT(serial<registered_functions().size());
+ const function_options &opt = registered_functions()[serial];
- if (registered_functions()[serial].series_f==0) {
+ if (opt.series_f==0) {
return basic::series(r, order);
}
ex res;
current_serial = serial;
- if (registered_functions()[serial].series_use_exvector_args) {
+ if (opt.series_use_exvector_args) {
try {
- res = ((series_funcp_exvector)(registered_functions()[serial].series_f))(seq, r, order, options);
+ res = ((series_funcp_exvector)(opt.series_f))(seq, r, order, options);
} catch (do_taylor) {
res = basic::series(r, order, options);
}
return res;
}
- switch (registered_functions()[serial].nparams) {
+ switch (opt.nparams) {
// the following lines have been generated for max. ${maxargs} parameters
${series_switch_statement}
// end of generated lines
throw(std::logic_error("function::series(): invalid nparams"));
}
+/** Implementation of ex::conjugate for functions. */
+ex function::conjugate() const
+{
+ GINAC_ASSERT(serial<registered_functions().size());
+ const function_options & opt = registered_functions()[serial];
+
+ if (opt.conjugate_f==0) {
+ return exprseq::conjugate();
+ }
+
+ if (opt.conjugate_use_exvector_args) {
+ return ((conjugate_funcp_exvector)(opt.conjugate_f))(seq);
+ }
+
+ switch (opt.nparams) {
+ // the following lines have been generated for max. ${maxargs} parameters
+${conjugate_switch_statement}
+ // end of generated lines
+ }
+ throw(std::logic_error("function::conjugate(): invalid nparams"));
+}
+
+/** Implementation of ex::real_part for functions. */
+ex function::real_part() const
+{
+ GINAC_ASSERT(serial<registered_functions().size());
+ const function_options & opt = registered_functions()[serial];
+
+ if (opt.real_part_f==0)
+ return basic::real_part();
+
+ if (opt.real_part_use_exvector_args)
+ return ((real_part_funcp_exvector)(opt.real_part_f))(seq);
+
+ switch (opt.nparams) {
+ // the following lines have been generated for max. ${maxargs} parameters
+${real_part_switch_statement}
+ // end of generated lines
+ }
+ throw(std::logic_error("function::real_part(): invalid nparams"));
+}
+
+/** Implementation of ex::imag_part for functions. */
+ex function::imag_part() const
+{
+ GINAC_ASSERT(serial<registered_functions().size());
+ const function_options & opt = registered_functions()[serial];
+
+ if (opt.imag_part_f==0)
+ return basic::imag_part();
+
+ if (opt.imag_part_use_exvector_args)
+ return ((imag_part_funcp_exvector)(opt.imag_part_f))(seq);
+
+ switch (opt.nparams) {
+ // the following lines have been generated for max. ${maxargs} parameters
+${imag_part_switch_statement}
+ // end of generated lines
+ }
+ throw(std::logic_error("function::imag_part(): invalid nparams"));
+}
+
// protected
/** Implementation of ex::diff() for functions. It applies the chain rule,
{
ex result;
- if (serial == function_index_Order) {
+ if (serial == Order_SERIAL::serial) {
// Order Term function only differentiates the argument
return Order(seq[0].diff(s));
} else {
// Chain rule
ex arg_diff;
- unsigned num = seq.size();
- for (unsigned i=0; i<num; i++) {
+ size_t num = seq.size();
+ for (size_t i=0; i<num; i++) {
arg_diff = seq[i].diff(s);
// We apply the chain rule only when it makes sense. This is not
// just for performance reasons but also to allow functions to
int function::compare_same_type(const basic & other) const
{
- GINAC_ASSERT(is_of_type(other, function));
+ GINAC_ASSERT(is_a<function>(other));
const function & o = static_cast<const function &>(other);
if (serial != o.serial)
bool function::is_equal_same_type(const basic & other) const
{
- GINAC_ASSERT(is_of_type(other, function));
+ GINAC_ASSERT(is_a<function>(other));
const function & o = static_cast<const function &>(other);
if (serial != o.serial)
bool function::match_same_type(const basic & other) const
{
- GINAC_ASSERT(is_of_type(other, function));
+ GINAC_ASSERT(is_a<function>(other));
const function & o = static_cast<const function &>(other);
return serial == o.serial;
}
-unsigned function::return_type(void) const
+unsigned function::return_type() const
{
- if (seq.empty())
- return return_types::commutative;
- else
- return seq.begin()->return_type();
+ GINAC_ASSERT(serial<registered_functions().size());
+ const function_options &opt = registered_functions()[serial];
+
+ if (opt.use_return_type) {
+ // Return type was explicitly specified
+ return opt.return_type;
+ } else {
+ // Default behavior is to use the return type of the first
+ // argument. Thus, exp() of a matrix behaves like a matrix, etc.
+ if (seq.empty())
+ return return_types::commutative;
+ else
+ return seq.begin()->return_type();
+ }
}
-unsigned function::return_type_tinfo(void) const
+return_type_t function::return_type_tinfo() const
{
- if (seq.empty())
- return tinfo_key;
- else
- return seq.begin()->return_type_tinfo();
+ GINAC_ASSERT(serial<registered_functions().size());
+ const function_options &opt = registered_functions()[serial];
+
+ if (opt.use_return_type) {
+ // Return type was explicitly specified
+ return opt.return_type_tinfo;
+ } else {
+ // Default behavior is to use the return type of the first
+ // argument. Thus, exp() of a matrix behaves like a matrix, etc.
+ if (seq.empty())
+ return make_return_type_t<function>();
+ else
+ return seq.begin()->return_type_tinfo();
+ }
}
//////////
ex function::pderivative(unsigned diff_param) const // partial differentiation
{
GINAC_ASSERT(serial<registered_functions().size());
+ const function_options &opt = registered_functions()[serial];
// No derivative defined? Then return abstract derivative object
- if (registered_functions()[serial].derivative_f == NULL)
+ if (opt.derivative_f == NULL)
return fderivative(serial, diff_param, seq);
current_serial = serial;
- if (registered_functions()[serial].derivative_use_exvector_args)
- return ((derivative_funcp_exvector)(registered_functions()[serial].derivative_f))(seq, diff_param);
- switch (registered_functions()[serial].nparams) {
+ if (opt.derivative_use_exvector_args)
+ return ((derivative_funcp_exvector)(opt.derivative_f))(seq, diff_param);
+ switch (opt.nparams) {
// the following lines have been generated for max. ${maxargs} parameters
${diff_switch_statement}
// end of generated lines
throw(std::logic_error("function::pderivative(): no diff function defined"));
}
-std::vector<function_options> & function::registered_functions(void)
+ex function::power(const ex & power_param) const // power of function
+{
+ GINAC_ASSERT(serial<registered_functions().size());
+ const function_options &opt = registered_functions()[serial];
+
+ // No derivative defined? Then return abstract derivative object
+ if (opt.power_f == NULL)
+ return (new power::power(*this, power_param))->setflag(status_flags::dynallocated |
+ status_flags::evaluated);
+
+ current_serial = serial;
+ if (opt.power_use_exvector_args)
+ return ((power_funcp_exvector)(opt.power_f))(seq, power_param);
+ switch (opt.nparams) {
+ // the following lines have been generated for max. ${maxargs} parameters
+${power_switch_statement}
+ // end of generated lines
+ }
+ throw(std::logic_error("function::power(): no power function defined"));
+}
+
+std::vector<function_options> & function::registered_functions()
{
- static std::vector<function_options> * rf = new std::vector<function_options>;
- return *rf;
+ static std::vector<function_options> rf = std::vector<function_options>();
+ return rf;
}
bool function::lookup_remember_table(ex & result) const
{
- return remember_table::remember_tables()[serial].lookup_entry(*this,result);
+ return remember_table::remember_tables()[this->serial].lookup_entry(*this,result);
}
void function::store_remember_table(ex const & result) const
{
- remember_table::remember_tables()[serial].add_entry(*this,result);
+ remember_table::remember_tables()[this->serial].add_entry(*this,result);
}
// public
unsigned function::register_new(function_options const & opt)
{
- unsigned same_name = 0;
- for (unsigned i=0; i<registered_functions().size(); ++i) {
+ size_t same_name = 0;
+ for (size_t i=0; i<registered_functions().size(); ++i) {
if (registered_functions()[i].name==opt.name) {
++same_name;
}
}
/** Return the print name of the function. */
-std::string function::get_name(void) const
+std::string function::get_name() const
{
GINAC_ASSERT(serial<registered_functions().size());
return registered_functions()[serial].name;
git://www.ginac.de / ginac.git / blobdiff