# function.pl options: \$maxargs=${maxargs}
#
-# GiNaC Copyright (C) 1999-2006 Johannes Gutenberg University Mainz, Germany
+# GiNaC Copyright (C) 1999-2010 Johannes Gutenberg University Mainz, Germany
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
'typedef ex (* conjugate_funcp_${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 &','','');
$conjugate_func_interface=generate(' function_options & conjugate_func(conjugate_funcp_${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",'','','');
function::function(unsigned ser, ${SEQ1})
: exprseq(${SEQ2}), serial(ser)
{
- tinfo_key = &function::tinfo_static;
}
END_OF_CONSTRUCTORS_IMPLEMENTATION
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 ${N}:
}
END_OF_CONJUGATE_FUNC_IMPLEMENTATION
+$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)
* Please do not modify it directly, edit the perl script instead!
* function.pl options: \$maxargs=${maxargs}
*
- * GiNaC Copyright (C) 1999-2005 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2010 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_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
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_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 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);
$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
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);
return *this;
}
- function_options & set_return_type(unsigned rt);
+ 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);
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;
bool use_return_type;
unsigned return_type;
- const basic* 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;
ex expand(unsigned options=0) const;
ex eval(int level=0) const;
ex evalf(int level=0) const;
+ ex eval_ncmul(const exvector & v) const;
unsigned calchash() const;
ex series(const relational & r, int order, unsigned options = 0) 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() const;
- const basic* return_type_tinfo() const;
+ return_type_t return_type_tinfo() const;
// new virtual functions which can be overridden by derived classes
// none
protected:
unsigned serial;
};
+GINAC_DECLARE_UNARCHIVER(function);
// utility functions/macros
} // 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) 1999-2005 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2010 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
*/
-#include <iostream>
-#include <string>
-#include <stdexcept>
-#include <list>
-
#include "function.h"
#include "operators.h"
#include "fderivative.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 {
//////////
{
set_name("unnamed_function", "\\\\mbox{unnamed}");
nparams = 0;
- eval_f = evalf_f = conjugate_f = derivative_f = power_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;
$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
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;
return *this;
}
-function_options & function_options::set_return_type(unsigned rt)
+function_options & function_options::set_return_type(unsigned rt, const return_type_t* rtt)
{
use_return_type = true;
return_type = rt;
+ if (rtt != 0)
+ return_type_tinfo = *rtt;
+ else
+ return_type_tinfo = make_return_type_t<function>();
return *this;
}
function::function() : serial(0)
{
- tinfo_key = &function::tinfo_static;
}
//////////
function::function(unsigned ser) : serial(ser)
{
- tinfo_key = &function::tinfo_static;
}
// the following lines have been generated for max. ${maxargs} parameters
function::function(unsigned ser, const exprseq & es) : exprseq(es), serial(ser)
{
- tinfo_key = &function::tinfo_static;
// Force re-evaluation even if the exprseq was already evaluated
// (the exprseq copy constructor copies the flags)
function::function(unsigned ser, const exvector & v, bool discardable)
: exprseq(v,discardable), serial(ser)
{
- tinfo_key = &function::tinfo_static;
+ if ( ser >= registered_functions().size() ) {
+ throw std::runtime_error("function does not exist");
+ }
}
function::function(unsigned ser, std::auto_ptr<exvector> vp)
: exprseq(vp), serial(ser)
{
- tinfo_key = &function::tinfo_static;
}
//////////
//////////
/** Construct object from archive_node. */
-function::function(const archive_node &n, 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, 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
//////////
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;
throw(std::logic_error("function::evalf(): invalid nparams"));
}
+/**
+ * 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((p_int)tinfo()) ^ serial);
+ 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();
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,
}
}
-const basic* function::return_type_tinfo() const
+return_type_t function::return_type_tinfo() const
{
GINAC_ASSERT(serial<registered_functions().size());
const function_options &opt = registered_functions()[serial];
if (opt.use_return_type) {
// Return type was explicitly specified
- return this;
+ 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 this;
+ return make_return_type_t<function>();
else
return seq.begin()->return_type_tinfo();
}
// 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);
+ return (new GiNaC::power(*this, power_param))->setflag(status_flags::dynallocated |
+ status_flags::evaluated);
current_serial = serial;
if (opt.power_use_exvector_args)
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 the print name of the function. */
std::string function::get_name() const
{
- GINAC_ASSERT(serial<registered_functions().size());
+ if ( serial >= registered_functions().size() ) {
+ throw std::runtime_error("unknown function");
+ }
return registered_functions()[serial].name;
}
git://www.ginac.de / ginac.git / blobdiff