# function.pl options: \$maxargs=${maxargs}
#
-# GiNaC Copyright (C) 1999-2005 Johannes Gutenberg University Mainz, Germany
+# GiNaC Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
'typedef ex (* conjugate_funcp_${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 = TINFO_function;
+ 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) 1999-2008 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 (* 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, unsigned rtt=0);
+ function_options & set_return_type(unsigned rt, tinfo_t rtt=NULL);
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;
- unsigned return_type_tinfo;
+ tinfo_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 thiscontainer(const exvector & v) const;
ex thiscontainer(std::auto_ptr<exvector> vp) const;
ex conjugate() const;
+ ex real_part() const;
+ ex imag_part() const;
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;
- unsigned return_type_tinfo() const;
+ tinfo_t return_type_tinfo() const;
// new virtual functions which can be overridden by derived classes
// none
// 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)
-{
- return obj.tinfo()==TINFO_function;
-}
-
template <typename T>
inline bool is_the_function(const ex & x)
{
* 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) 1999-2008 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 <string>
#include <stdexcept>
#include <list>
+#include <limits>
#include "function.h"
#include "operators.h"
{
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, unsigned rtt)
+function_options & function_options::set_return_type(unsigned rt, tinfo_t rtt)
{
use_return_type = true;
return_type = rt;
function::function() : serial(0)
{
- tinfo_key = TINFO_function;
+ tinfo_key = &function::tinfo_static;
}
//////////
function::function(unsigned ser) : serial(ser)
{
- tinfo_key = TINFO_function;
+ 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 = TINFO_function;
+ 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 = TINFO_function;
+ tinfo_key = &function::tinfo_static;
}
function::function(unsigned ser, std::auto_ptr<exvector> vp)
: exprseq(vp), serial(ser)
{
- tinfo_key = TINFO_function;
+ tinfo_key = &function::tinfo_static;
}
//////////
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;
unsigned function::calchash() const
{
- unsigned v = golden_ratio_hash(golden_ratio_hash(tinfo()) ^ serial);
+ unsigned v = golden_ratio_hash(golden_ratio_hash((p_int)tinfo()) ^ 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,
}
}
-unsigned function::return_type_tinfo() const
+tinfo_t function::return_type_tinfo() const
{
GINAC_ASSERT(serial<registered_functions().size());
const function_options &opt = registered_functions()[serial];
// 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 tinfo_key;
+ return this;
else
return seq.begin()->return_type_tinfo();
}
git://www.ginac.de / ginac.git / blobdiff