#!/usr/bin/perl -w
-if ($#ARGV!=0) {
- die 'usage: container.pl type (type=lst or exprseq)';
+if (($#ARGV!=0) and ($#ARGV!=1)) {
+ die 'usage: container.pl type [maxargs] (type=lst or exprseq)';
}
if ($ARGV[0] eq 'lst') {
die 'only lst and exprseq supported';
}
-#$type='lst';
-#$type='exprseq';
+if ($#ARGV==1) {
+ $maxargs=$ARGV[1];
+} else {
+ $maxargs=15; # must be greater or equal than the value used in function.pl
+}
if ($type eq 'exprseq') {
$LET_OP_IMPLEMENTATION="// ${CONTAINER}::let_op() will be implemented by user elsewhere";
}
+sub generate_seq {
+ my ($seq_template,$n,$separator)=@_;
+ my ($res,$N);
+
+ $res='';
+ for ($N=1; $N<=$n; $N++) {
+ $res .= eval('"' . $seq_template . '"');
+ if ($N!=$n) {
+ $res .= $separator;
+ }
+ }
+ return $res;
+}
+
+sub generate_from_to {
+ my ($template,$seq_template1,$seq_separator1,$seq_template2,
+ $seq_separator2,$from,$to)=@_;
+ my ($res,$N,$SEQ);
+
+ $res='';
+ for ($N=$from; $N<=$to; $N++) {
+ $SEQ1=generate_seq($seq_template1,$N,$seq_separator1);
+ $SEQ2=generate_seq($seq_template2,$N,$seq_separator2);
+ $res .= eval('"' . $template . '"');
+ $SEQ1=''; # to avoid main::SEQ1 used only once warning
+ $SEQ2=''; # same as above
+ }
+ return $res;
+}
+
+sub generate {
+ my ($template,$seq_template1,$seq_separator1,$seq_template2,
+ $seq_separator2)=@_;
+ return generate_from_to($template,$seq_template1,$seq_separator1,
+ $seq_template2,$seq_separator2,1,$maxargs);
+}
+
+$constructors_interface=generate(
+' explicit ${CONTAINER}(${SEQ1});'."\n",
+'const ex & param${N}',', ','','');
+
+$constructors_implementation=generate(
+ <<'END_OF_CONSTRUCTORS_IMPLEMENTATION','const ex & param${N}',', ',' seq.push_back(param${N});',"\n");
+${CONTAINER}::${CONTAINER}(${SEQ1}) : basic(TINFO_${CONTAINER})
+{
+ debugmsg(\"${CONTAINER} constructor from ${N}*ex\",LOGLEVEL_CONSTRUCT);
+ RESERVE(seq,${N});
+${SEQ2}
+}
+END_OF_CONSTRUCTORS_IMPLEMENTATION
+
$interface=<<END_OF_INTERFACE;
/** \@file ${CONTAINER}.h
*
* \$let_op=${let_op}
* \$open_bracket=${open_bracket}
* \$close_bracket=${close_bracket}
+ * \$maxargs=${maxargs}
*
* GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
*
public:
${CONTAINER}(${STLT} const & s, bool discardable=0);
${CONTAINER}(${STLT} * vp); // vp will be deleted
- explicit ${CONTAINER}(const ex & e1);
- explicit ${CONTAINER}(const ex & e1, const ex & e2);
- explicit ${CONTAINER}(const ex & e1, const ex & e2, const ex & e3);
- explicit ${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4);
- explicit ${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5);
- explicit ${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5, const ex & e6);
- explicit ${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5, const ex & e6,
- const ex & e7);
- explicit ${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5, const ex & e6,
- const ex & e7, const ex & e8);
- explicit ${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5, const ex & e6,
- const ex & e7, const ex & e8, const ex & e9);
- explicit ${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5, const ex & e6,
- const ex & e7, const ex & e8, const ex & e9,
- const ex &e10);
+${constructors_interface}
public:
basic * duplicate() const;
* \$let_op=${let_op}
* \$open_bracket=${open_bracket}
* \$close_bracket=${close_bracket}
+ * \$maxargs=${maxargs}
*
* GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
*
delete vp;
}
-${CONTAINER}::${CONTAINER}(const ex & e1) : basic(TINFO_${CONTAINER})
-{
- debugmsg("${CONTAINER} constructor from 1 ex",
- LOGLEVEL_CONSTRUCT);
- RESERVE(seq,1);
- seq.push_back(e1);
-}
-
-${CONTAINER}::${CONTAINER}(const ex & e1, const ex & e2) : basic(TINFO_${CONTAINER})
-{
- debugmsg("${CONTAINER} constructor from 2 ex",
- LOGLEVEL_CONSTRUCT);
- RESERVE(seq,2);
- seq.push_back(e1);
- seq.push_back(e2);
-}
-
-${CONTAINER}::${CONTAINER}(const ex & e1, const ex & e2, const ex & e3)
- : basic(TINFO_${CONTAINER})
-{
- debugmsg("${CONTAINER} constructor from 3 ex",
- LOGLEVEL_CONSTRUCT);
- RESERVE(seq,3);
- seq.push_back(e1);
- seq.push_back(e2);
- seq.push_back(e3);
-}
-
-${CONTAINER}::${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4) : basic(TINFO_${CONTAINER})
-{
- debugmsg("${CONTAINER} constructor from 4 ex",
- LOGLEVEL_CONSTRUCT);
- RESERVE(seq,4);
- seq.push_back(e1);
- seq.push_back(e2);
- seq.push_back(e3);
- seq.push_back(e4);
-}
-
-${CONTAINER}::${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5) : basic(TINFO_${CONTAINER})
-{
- debugmsg("${CONTAINER} constructor from 5 ex",
- LOGLEVEL_CONSTRUCT);
- RESERVE(seq,5);
- seq.push_back(e1);
- seq.push_back(e2);
- seq.push_back(e3);
- seq.push_back(e4);
- seq.push_back(e5);
-}
-
-${CONTAINER}::${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5, const ex & e6)
- : basic(TINFO_${CONTAINER})
-{
- debugmsg("${CONTAINER} constructor from 6 ex",
- LOGLEVEL_CONSTRUCT);
- RESERVE(seq,6);
- seq.push_back(e1);
- seq.push_back(e2);
- seq.push_back(e3);
- seq.push_back(e4);
- seq.push_back(e5);
- seq.push_back(e6);
-}
-
-${CONTAINER}::${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5, const ex & e6,
- const ex & e7) : basic(TINFO_${CONTAINER})
-{
- debugmsg("${CONTAINER} constructor from 7 ex",
- LOGLEVEL_CONSTRUCT);
- RESERVE(seq,7);
- seq.push_back(e1);
- seq.push_back(e2);
- seq.push_back(e3);
- seq.push_back(e4);
- seq.push_back(e5);
- seq.push_back(e6);
- seq.push_back(e7);
-}
-
-${CONTAINER}::${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5, const ex & e6,
- const ex & e7, const ex & e8) : basic(TINFO_${CONTAINER})
-{
- debugmsg("${CONTAINER} constructor from 8 ex",
- LOGLEVEL_CONSTRUCT);
- RESERVE(seq,8);
- seq.push_back(e1);
- seq.push_back(e2);
- seq.push_back(e3);
- seq.push_back(e4);
- seq.push_back(e5);
- seq.push_back(e6);
- seq.push_back(e7);
- seq.push_back(e8);
-}
-
-${CONTAINER}::${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5, const ex & e6,
- const ex & e7, const ex & e8, const ex & e9)
- : basic(TINFO_${CONTAINER})
-{
- debugmsg("${CONTAINER} constructor from 9 ex",
- LOGLEVEL_CONSTRUCT);
- RESERVE(seq,9);
- seq.push_back(e1);
- seq.push_back(e2);
- seq.push_back(e3);
- seq.push_back(e4);
- seq.push_back(e5);
- seq.push_back(e6);
- seq.push_back(e7);
- seq.push_back(e8);
- seq.push_back(e9);
-}
-
-${CONTAINER}::${CONTAINER}(const ex & e1, const ex & e2, const ex & e3,
- const ex & e4, const ex & e5, const ex & e6,
- const ex & e7, const ex & e8, const ex & e9,
- const ex &e10)
- : basic(TINFO_${CONTAINER})
-{
- debugmsg("${CONTAINER} constructor from 10 ex",
- LOGLEVEL_CONSTRUCT);
- RESERVE(seq,10);
- seq.push_back(e1);
- seq.push_back(e2);
- seq.push_back(e3);
- seq.push_back(e4);
- seq.push_back(e5);
- seq.push_back(e6);
- seq.push_back(e7);
- seq.push_back(e8);
- seq.push_back(e9);
- seq.push_back(e10);
-}
+${constructors_implementation}
//////////
// archiving
return $res;
}
-sub generate {
- my ($template,$seq_template1,$seq_template2)=@_;
+sub generate_from_to {
+ my ($template,$seq_template1,$seq_template2,$from,$to)=@_;
my ($res,$N,$SEQ);
$res='';
- for ($N=1; $N<=$maxargs; $N++) {
+ for ($N=$from; $N<=$to; $N++) {
$SEQ1=generate_seq($seq_template1,$N);
$SEQ2=generate_seq($seq_template2,$N);
$res .= eval('"' . $template . '"');
return $res;
}
-$declare_function_macro_namespace=generate(
- <<'END_OF_DECLARE_FUNCTION_MACRO_NAMESPACE','const GiNaC::ex & p${N}','p${N}');
+sub generate {
+ my ($template,$seq_template1,$seq_template2)=@_;
+ return generate_from_to($template,$seq_template1,$seq_template2,1,$maxargs);
+}
+
+$declare_function_macro_namespace = <<'END_OF_DECLARE_FUNCTION_1_AND_2P_MACRO_NAMESPACE';
+#ifdef CINT_CONVERSION_WORKAROUND
+
+#define DECLARE_FUNCTION_1P(NAME) \
+extern const unsigned function_index_##NAME; \
+inline GiNaC::function NAME(const GiNaC::ex & p1) { \
+ return GiNaC::function(function_index_##NAME, p1); \
+} \
+inline GiNaC::function NAME(const GiNaC::basic & p1) { \
+ return GiNaC::function(function_index_##NAME, GiNaC::ex(p1)); \
+}
+#define DECLARE_FUNCTION_2P(NAME) \
+extern const unsigned function_index_##NAME; \
+inline GiNaC::function NAME(const GiNaC::ex & p1, const GiNaC::ex & p2) { \
+ return GiNaC::function(function_index_##NAME, p1, p2); \
+} \
+inline GiNaC::function NAME(const GiNaC::basic & p1, const GiNaC::ex & p2) { \
+ return GiNaC::function(function_index_##NAME, GiNaC::ex(p1), p2); \
+} \
+inline GiNaC::function NAME(const GiNaC::ex & p1, const GiNaC::basic & p2) { \
+ return GiNaC::function(function_index_##NAME, p1, GiNaC::ex(p2)); \
+} \
+inline GiNaC::function NAME(const GiNaC::basic & p1, const GiNaC::basic & p2) { \
+ return GiNaC::function(function_index_##NAME, GiNaC::ex(p1), GiNaC::ex(p2)); \
+}
+
+#else // def CINT_CONVERSION_WORKAROUND
+
+#define DECLARE_FUNCTION_1P(NAME) \
+extern const unsigned function_index_##NAME; \
+inline GiNaC::function NAME(const GiNaC::ex & p1) { \
+ return GiNaC::function(function_index_##NAME, p1); \
+}
+#define DECLARE_FUNCTION_2P(NAME) \
+extern const unsigned function_index_##NAME; \
+inline GiNaC::function NAME(const GiNaC::ex & p1, const GiNaC::ex & p2) { \
+ return GiNaC::function(function_index_##NAME, p1, p2); \
+}
+
+#endif // def CINT_CONVERSION_WORKAROUND
+
+END_OF_DECLARE_FUNCTION_1_AND_2P_MACRO_NAMESPACE
+
+$declare_function_macro_namespace .= generate_from_to(
+ <<'END_OF_DECLARE_FUNCTION_MACRO_NAMESPACE','const GiNaC::ex & p${N}','p${N}',3,$maxargs);
#define DECLARE_FUNCTION_${N}P(NAME) \\
extern const unsigned function_index_##NAME; \\
inline GiNaC::function NAME(${SEQ1}) { \\
END_OF_DECLARE_FUNCTION_MACRO_NAMESPACE
-$declare_function_macro_no_namespace=generate(
- <<'END_OF_DECLARE_FUNCTION_MACRO_NO_NAMESPACE','const ex & p${N}','p${N}');
+$declare_function_macro_no_namespace = <<'END_OF_DECLARE_FUNCTION_1_AND_2P_MACRO_NO_NAMESPACE';
+#ifdef CINT_CONVERSION_WORKAROUND
+
+#define DECLARE_FUNCTION_1P(NAME) \
+extern const unsigned function_index_##NAME; \
+inline function NAME(const ex & p1) { \
+ return function(function_index_##NAME, p1); \
+} \
+inline function NAME(const basic & p1) { \
+ return function(function_index_##NAME, ex(p1)); \
+}
+#define DECLARE_FUNCTION_2P(NAME) \
+extern const unsigned function_index_##NAME; \
+inline function NAME(const ex & p1, const ex & p2) { \
+ return function(function_index_##NAME, p1, p2); \
+} \
+inline function NAME(const basic & p1, const ex & p2) { \
+ return function(function_index_##NAME, ex(p1), p2); \
+} \
+inline function NAME(const ex & p1, const basic & p2) { \
+ return function(function_index_##NAME, p1, ex(p2)); \
+} \
+inline function NAME(const basic & p1, const basic & p2) { \
+ return function(function_index_##NAME, ex(p1), ex(p2)); \
+}
+
+#else // def CINT_CONVERSION_WORKAROUND
+
+#define DECLARE_FUNCTION_1P(NAME) \
+extern const unsigned function_index_##NAME; \
+inline function NAME(const ex & p1) { \
+ return function(function_index_##NAME, p1); \
+}
+#define DECLARE_FUNCTION_2P(NAME) \
+extern const unsigned function_index_##NAME; \
+inline function NAME(const ex & p1, const ex & p2) { \
+ return function(function_index_##NAME, p1, p2); \
+}
+
+#endif // def CINT_CONVERSION_WORKAROUND
+
+END_OF_DECLARE_FUNCTION_1_AND_2P_MACRO_NO_NAMESPACE
+
+$declare_function_macro_no_namespace .= generate_from_to(
+ <<'END_OF_DECLARE_FUNCTION_MACRO_NO_NAMESPACE','const ex & p${N}','p${N}',3,$maxargs);
#define DECLARE_FUNCTION_${N}P(NAME) \\
extern const unsigned function_index_##NAME; \\
inline function NAME(${SEQ1}) { \\
'typedef ex (* series_funcp_${N})(${SEQ1}, const symbol &, const ex &, int);'."\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",'','');
+
+$derivative_func_interface=generate(' function_options & derivative_func(derivative_funcp_${N} d);'."\n",'','');
+
+$series_func_interface=generate(' function_options & series_func(series_funcp_${N} s);'."\n",'','');
+
$constructors_interface=generate(
' function(unsigned ser, ${SEQ1});'."\n",
'const ex & param${N}','');
-$register_new_interface=generate(
-' static unsigned register_new(const char * nm, eval_funcp_${N} e,'."\n".
-' evalf_funcp_${N} ef=0, derivative_funcp_${N} d=0, series_funcp_${N} s=0);'.
-"\n",'','');
-
$constructors_implementation=generate(
<<'END_OF_CONSTRUCTORS_IMPLEMENTATION','const ex & param${N}','param${N}');
function::function(unsigned ser, ${SEQ1})
END_OF_CONSTRUCTORS_IMPLEMENTATION
$eval_switch_statement=generate(
- <<'END_OF_EVAL_SWITCH_STATEMENT','eseq[${N}-1]','');
+ <<'END_OF_EVAL_SWITCH_STATEMENT','seq[${N}-1]','');
case ${N}:
- return ((eval_funcp_${N})(registered_functions()[serial].e))(${SEQ1});
+ eval_result=((eval_funcp_${N})(registered_functions()[serial].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].ef))(${SEQ1});
+ return ((evalf_funcp_${N})(registered_functions()[serial].evalf_f))(${SEQ1});
break;
END_OF_EVALF_SWITCH_STATEMENT
$diff_switch_statement=generate(
<<'END_OF_DIFF_SWITCH_STATEMENT','seq[${N}-1]','');
case ${N}:
- return ((derivative_funcp_${N})(registered_functions()[serial].d))(${SEQ1},diff_param);
+ return ((derivative_funcp_${N})(registered_functions()[serial].derivative_f))(${SEQ1},diff_param);
break;
END_OF_DIFF_SWITCH_STATEMENT
<<'END_OF_SERIES_SWITCH_STATEMENT','seq[${N}-1]','');
case ${N}:
try {
- res = ((series_funcp_${N})(registered_functions()[serial].s))(${SEQ1},s,point,order);
+ res = ((series_funcp_${N})(registered_functions()[serial].series_f))(${SEQ1},s,point,order);
} catch (do_taylor) {
res = basic::series(s, point, order);
}
break;
END_OF_SERIES_SWITCH_STATEMENT
-$register_new_implementation=generate(
- <<'END_OF_REGISTER_NEW_IMPLEMENTATION','','');
-unsigned function::register_new(const char * nm, eval_funcp_${N} e,
- evalf_funcp_${N} ef, derivative_funcp_${N} d, series_funcp_${N} s)
+$eval_func_implementation=generate(
+ <<'END_OF_EVAL_FUNC_IMPLEMENTATION','','');
+function_options & function_options::eval_func(eval_funcp_${N} e)
{
- registered_function_info rfi={nm,${N},0,eval_funcp(e),
- evalf_funcp(ef),derivative_funcp(d),series_funcp(s)};
- registered_functions().push_back(rfi);
- return registered_functions().size()-1;
-}
-END_OF_REGISTER_NEW_IMPLEMENTATION
+ test_and_set_nparams(${N});
+ eval_f=eval_funcp(e);
+ return *this;
+}
+END_OF_EVAL_FUNC_IMPLEMENTATION
+
+$evalf_func_implementation=generate(
+ <<'END_OF_EVALF_FUNC_IMPLEMENTATION','','');
+function_options & function_options::evalf_func(evalf_funcp_${N} ef)
+{
+ test_and_set_nparams(${N});
+ evalf_f=evalf_funcp(ef);
+ return *this;
+}
+END_OF_EVALF_FUNC_IMPLEMENTATION
+
+$derivative_func_implementation=generate(
+ <<'END_OF_DERIVATIVE_FUNC_IMPLEMENTATION','','');
+function_options & function_options::derivative_func(derivative_funcp_${N} d)
+{
+ test_and_set_nparams(${N});
+ derivative_f=derivative_funcp(d);
+ return *this;
+}
+END_OF_DERIVATIVE_FUNC_IMPLEMENTATION
+
+$series_func_implementation=generate(
+ <<'END_OF_SERIES_FUNC_IMPLEMENTATION','','');
+function_options & function_options::series_func(series_funcp_${N} s)
+{
+ test_and_set_nparams(${N});
+ series_f=series_funcp(s);
+ return *this;
+}
+END_OF_SERIES_FUNC_IMPLEMENTATION
$interface=<<END_OF_INTERFACE;
/** \@file function.h
#ifndef NO_NAMESPACE_GINAC
-#define REGISTER_FUNCTION(NAME,E,EF,D,S) \\
-const unsigned function_index_##NAME=GiNaC::function::register_new(#NAME,E,EF,D,S);
+#define REGISTER_FUNCTION(NAME,OPT) \\
+const unsigned function_index_##NAME= \\
+ GiNaC::function::register_new(GiNaC::function_options(#NAME).OPT);
+
+#define REGISTER_FUNCTION_OLD(NAME,E,EF,D,S) \\
+const unsigned function_index_##NAME= \\
+ GiNaC::function::register_new(GiNaC::function_options(#NAME). \\
+ eval_func(E). \\
+ evalf_func(EF). \\
+ derivative_func(D). \\
+ series_func(S));
#else // ndef NO_NAMESPACE_GINAC
-#define REGISTER_FUNCTION(NAME,E,EF,D,S) \\
-const unsigned function_index_##NAME=function::register_new(#NAME,E,EF,D,S);
+#define REGISTER_FUNCTION(NAME,OPT) \\
+const unsigned function_index_##NAME= \\
+ function::register_new(function_options(#NAME).OPT);
+
+#define REGISTER_FUNCTION_OLD(NAME,E,EF,D,S) \\
+const unsigned function_index_##NAME= \\
+ function::register_new(function_options(#NAME). \\
+ eval_func(E). \\
+ evalf_func(EF). \\
+ derivative_func(D). \\
+ series_func(S));
#endif // ndef NO_NAMESPACE_GINAC
$typedef_series_funcp
// end of generated lines
-struct registered_function_info {
- const char * name;
+class function_options
+{
+ friend class function;
+public:
+ function_options();
+ function_options(string const & n, string const & tn=string());
+ ~function_options();
+ void initialize(void);
+ function_options & set_name(string const & n, string const & tn=string());
+// the following lines have been generated for max. ${maxargs} parameters
+$eval_func_interface
+$evalf_func_interface
+$derivative_func_interface
+$series_func_interface
+// end of generated lines
+ function_options & set_return_type(unsigned rt, unsigned rtt=0);
+ function_options & do_not_evalf_params(void);
+ function_options & remember(unsigned size, unsigned assoc_size=0,
+ unsigned strategy=remember_strategies::delete_never);
+ function_options & overloaded(unsigned o);
+ void test_and_set_nparams(unsigned n);
+ string get_name(void) const { return name; }
+ unsigned get_nparams(void) const { return nparams; }
+
+protected:
+ string name;
+ string TeX_name;
+
unsigned nparams;
- unsigned options;
- eval_funcp e;
- evalf_funcp ef;
- derivative_funcp d;
- series_funcp s;
+
+ eval_funcp eval_f;
+ evalf_funcp evalf_f;
+ derivative_funcp derivative_f;
+ series_funcp series_f;
+
+ bool evalf_params_first;
+
+ bool use_return_type;
+ unsigned return_type;
+ unsigned return_type_tinfo;
+
+ bool use_remember;
+ unsigned remember_size;
+ unsigned remember_assoc_size;
+ unsigned remember_strategy;
+
+ unsigned functions_with_same_name;
};
/** The class function is used to implement builtin functions like sin, cos...
// CINT has a linking problem
friend void ginsh_get_ginac_functions(void);
+ friend class remember_table_entry;
+ // friend class remember_table_list;
+ // friend class remember_table;
+
// member functions
// default constructor, destructor, copy constructor assignment operator and helpers
// non-virtual functions in this class
protected:
ex pderivative(unsigned diff_param) const; // partial differentiation
- static vector<registered_function_info> & registered_functions(void);
+ static vector<function_options> & registered_functions(void);
+ bool lookup_remember_table(ex & result) const;
+ void store_remember_table(ex const & result) const;
public:
- // the following lines have been generated for max. ${maxargs} parameters
-$register_new_interface
- // end of generated lines
+ static unsigned register_new(function_options const & opt);
unsigned getserial(void) const {return serial;}
// member variables
#include <string>
#include <stdexcept>
+#include <list>
#include "function.h"
#include "ex.h"
namespace GiNaC {
#endif // ndef NO_NAMESPACE_GINAC
+function_options::function_options()
+{
+ initialize();
+}
+
+function_options::function_options(string const & n, string const & tn)
+{
+ initialize();
+ set_name(n,tn);
+}
+
+function_options::~function_options()
+{
+ // nothing to clean up at the moment
+}
+
+void function_options::initialize(void)
+{
+ set_name("unnamed_function","\\\\operatorname{unnamed}");
+ nparams=0;
+ eval_f=evalf_f=derivative_f=series_f=0;
+ evalf_params_first=true;
+ use_return_type=false;
+ use_remember=false;
+ functions_with_same_name=1;
+}
+
+function_options & function_options::set_name(string const & n,
+ string const & tn)
+{
+ name=n;
+ if (tn==string()) {
+ TeX_name="\\\\operatorname{"+name+"}";
+ } else {
+ TeX_name=tn;
+ }
+ return *this;
+}
+
+// the following lines have been generated for max. ${maxargs} parameters
+$eval_func_implementation
+$evalf_func_implementation
+$derivative_func_implementation
+$series_func_implementation
+// end of generated lines
+
+function_options & function_options::set_return_type(unsigned rt, unsigned rtt)
+{
+ use_return_type=true;
+ return_type=rt;
+ return_type_tinfo=rtt;
+ return *this;
+}
+
+function_options & function_options::do_not_evalf_params(void)
+{
+ evalf_params_first=false;
+ return *this;
+}
+
+function_options & function_options::remember(unsigned size,
+ unsigned assoc_size,
+ unsigned strategy)
+{
+ use_remember=true;
+ remember_size=size;
+ remember_assoc_size=assoc_size;
+ remember_strategy=strategy;
+ return *this;
+}
+
+function_options & function_options::overloaded(unsigned o)
+{
+ functions_with_same_name=o;
+ return *this;
+}
+
+void function_options::test_and_set_nparams(unsigned n)
+{
+ if (nparams==0) {
+ nparams=n;
+ } 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
+ cerr << "WARNING: number of parameters ("
+ << n << ") differs from number set before ("
+ << nparams << ")" << endl;
+ }
+}
+
+class remember_table_entry {
+public:
+ remember_table_entry(function const & f, ex const & r) :
+ hashvalue(f.gethash()), seq(f.seq), result(r)
+ {
+ last_access=0;
+ successful_hits=0;
+ }
+ bool is_equal(function const & f) const
+ {
+ GINAC_ASSERT(f.seq.size()==seq.size());
+ if (f.gethash()!=hashvalue) return false;
+ for (unsigned i=0; i<seq.size(); ++i) {
+ if (!seq[i].is_equal(f.seq[i])) return false;
+ }
+ last_access=access_counter++;
+ successful_hits++;
+ return true;
+ }
+ unsigned hashvalue;
+ exvector seq;
+ ex result;
+ mutable unsigned long last_access;
+ mutable unsigned successful_hits;
+
+ static unsigned access_counter;
+};
+
+unsigned remember_table_entry::access_counter=0;
+
+class remember_table_list : public list<remember_table_entry> {
+public:
+ remember_table_list()
+ {
+ max_assoc_size=0;
+ delete_strategy=0;
+ }
+ remember_table_list(unsigned as, unsigned strat)
+ {
+ max_assoc_size=as;
+ delete_strategy=strat;
+ }
+ void add_entry(function const & f, ex const & result)
+ {
+ push_back(remember_table_entry(f,result));
+ }
+ bool lookup_entry(function const & f, ex & result) const
+ {
+ for (const_iterator cit=begin(); cit!=end(); ++cit) {
+ if (cit->is_equal(f)) {
+ result=cit->result;
+ return true;
+ }
+ }
+ return false;
+ }
+protected:
+ unsigned max_assoc_size;
+ unsigned delete_strategy;
+};
+
+
+class remember_table : public vector<remember_table_list> {
+public:
+ remember_table()
+ {
+ }
+ remember_table(unsigned s, unsigned as, unsigned strat)
+ {
+ calc_size(s);
+ reserve(table_size);
+ for (unsigned i=0; i<table_size; ++i) {
+ push_back(remember_table_list(as,strat));
+ }
+ }
+ bool lookup_entry(function const & f, ex & result) const
+ {
+ unsigned entry=f.gethash() & (table_size-1);
+ if (entry>=size()) {
+ cerr << "entry=" << entry << ",size=" << size() << endl;
+ }
+ GINAC_ASSERT(entry<size());
+ return operator[](entry).lookup_entry(f,result);
+ }
+ void add_entry(function const & f, ex const & result)
+ {
+ unsigned entry=f.gethash() & (table_size-1);
+ GINAC_ASSERT(entry<size());
+ operator[](entry).add_entry(f,result);
+ }
+ void calc_size(unsigned s)
+ {
+ // use some power of 2 next to s
+ table_size=1 << log2(s);
+ }
+protected:
+ unsigned table_size;
+};
+
+// this is not declared as a static function in the class function
+// (like registered_function()) because of issues with cint
+static vector<remember_table> & remember_tables(void)
+{
+ static vector<remember_table> * rt=new vector<remember_table>;
+ return *rt;
+}
+
GINAC_IMPLEMENT_REGISTERED_CLASS(function, exprseq)
//////////
string s;
if (n.find_string("name", s)) {
unsigned int ser = 0;
- vector<registered_function_info>::const_iterator i = registered_functions().begin(), iend = registered_functions().end();
+ vector<function_options>::const_iterator i = registered_functions().begin(), iend = registered_functions().end();
while (i != iend) {
if (s == i->name) {
serial = ser;
{
GINAC_ASSERT(serial<registered_functions().size());
- exvector eseq=evalchildren(level);
+ if (level>1) {
+ // first evaluate children, then we will end up here again
+ return function(serial,evalchildren(level));
+ }
- if (registered_functions()[serial].e==0) {
- return function(serial,eseq).hold();
+ if (registered_functions()[serial].eval_f==0) {
+ return this->hold();
+ }
+
+ bool use_remember=registered_functions()[serial].use_remember;
+ ex eval_result;
+ if (use_remember && lookup_remember_table(eval_result)) {
+ return eval_result;
}
+
switch (registered_functions()[serial].nparams) {
// the following lines have been generated for max. ${maxargs} parameters
${eval_switch_statement}
// end of generated lines
+ default:
+ throw(std::logic_error("function::eval(): invalid nparams"));
+ }
+ if (use_remember) {
+ store_remember_table(eval_result);
}
- throw(std::logic_error("function::eval(): invalid nparams"));
+ return eval_result;
}
ex function::evalf(int level) const
exvector eseq=evalfchildren(level);
- if (registered_functions()[serial].ef==0) {
+ if (registered_functions()[serial].evalf_f==0) {
return function(serial,eseq).hold();
}
switch (registered_functions()[serial].nparams) {
{
GINAC_ASSERT(serial<registered_functions().size());
- if (registered_functions()[serial].s==0) {
+ if (registered_functions()[serial].series_f==0) {
return basic::series(s, point, order);
}
ex res;
{
GINAC_ASSERT(serial<registered_functions().size());
- if (registered_functions()[serial].d==0) {
+ if (registered_functions()[serial].derivative_f==0) {
throw(std::logic_error(string("function::pderivative(") + registered_functions()[serial].name + "): no diff function defined"));
}
switch (registered_functions()[serial].nparams) {
throw(std::logic_error("function::pderivative(): no diff function defined"));
}
-vector<registered_function_info> & function::registered_functions(void)
+vector<function_options> & function::registered_functions(void)
{
- static vector<registered_function_info> * rf=new vector<registered_function_info>;
+ static vector<function_options> * rf=new vector<function_options>;
return *rf;
}
+bool function::lookup_remember_table(ex & result) const
+{
+ return remember_tables()[serial].lookup_entry(*this,result);
+}
+
+void function::store_remember_table(ex const & result) const
+{
+ remember_tables()[serial].add_entry(*this,result);
+}
+
// public
-// the following lines have been generated for max. ${maxargs} parameters
-$register_new_implementation
-// end of generated lines
+unsigned function::register_new(function_options const & opt)
+{
+ unsigned same_name=0;
+ for (unsigned i=0; i<registered_functions().size(); ++i) {
+ if (registered_functions()[i].name==opt.name) {
+ same_name++;
+ }
+ }
+ if (same_name>=opt.functions_with_same_name) {
+ // we do not throw an exception here because this code is
+ // usually executed before main(), so the exception could not
+ // caught anyhow
+ cerr << "WARNING: function name " << opt.name
+ << " already in use!" << endl;
+ }
+ registered_functions().push_back(opt);
+ if (opt.use_remember) {
+ remember_tables().push_back(remember_table(opt.remember_size,
+ opt.remember_assoc_size,
+ opt.remember_strategy));
+ } else {
+ remember_tables().push_back(remember_table());
+ }
+ return registered_functions().size()-1;
+}
//////////
// static member variables
return exp(x);
}
-REGISTER_FUNCTION(exp, exp_eval, exp_evalf, exp_deriv, NULL);
+REGISTER_FUNCTION(exp, eval_func(exp_eval).
+ evalf_func(exp_evalf).
+ derivative_func(exp_deriv));
//////////
// natural logarithm
return power(x, _ex_1());
}
-REGISTER_FUNCTION(log, log_eval, log_evalf, log_deriv, NULL);
+REGISTER_FUNCTION(log, eval_func(log_eval).
+ evalf_func(log_evalf).
+ derivative_func(log_deriv));
//////////
// sine (trigonometric function)
return cos(x);
}
-REGISTER_FUNCTION(sin, sin_eval, sin_evalf, sin_deriv, NULL);
+REGISTER_FUNCTION(sin, eval_func(sin_eval).
+ evalf_func(sin_evalf).
+ derivative_func(sin_deriv));
//////////
// cosine (trigonometric function)
return _ex_1()*sin(x);
}
-REGISTER_FUNCTION(cos, cos_eval, cos_evalf, cos_deriv, NULL);
+REGISTER_FUNCTION(cos, eval_func(cos_eval).
+ evalf_func(cos_evalf).
+ derivative_func(cos_deriv));
//////////
// tangent (trigonometric function)
return (sin(x)/cos(x)).series(s, pt, order+2);
}
-REGISTER_FUNCTION(tan, tan_eval, tan_evalf, tan_deriv, tan_series);
+REGISTER_FUNCTION(tan, eval_func(tan_eval).
+ evalf_func(tan_evalf).
+ derivative_func(tan_deriv).
+ series_func(tan_series));
//////////
// inverse sine (arc sine)
return power(1-power(x,_ex2()),_ex_1_2());
}
-REGISTER_FUNCTION(asin, asin_eval, asin_evalf, asin_deriv, NULL);
+REGISTER_FUNCTION(asin, eval_func(asin_eval).
+ evalf_func(asin_evalf).
+ derivative_func(asin_deriv));
//////////
// inverse cosine (arc cosine)
return _ex_1()*power(1-power(x,_ex2()),_ex_1_2());
}
-REGISTER_FUNCTION(acos, acos_eval, acos_evalf, acos_deriv, NULL);
+REGISTER_FUNCTION(acos, eval_func(acos_eval).
+ evalf_func(acos_evalf).
+ derivative_func(acos_deriv));
//////////
// inverse tangent (arc tangent)
return power(_ex1()+power(x,_ex2()), _ex_1());
}
-REGISTER_FUNCTION(atan, atan_eval, atan_evalf, atan_deriv, NULL);
+REGISTER_FUNCTION(atan, eval_func(atan_eval).
+ evalf_func(atan_evalf).
+ derivative_func(atan_deriv));
//////////
// inverse tangent (atan2(y,x))
return -y*power(power(x,_ex2())+power(y,_ex2()),_ex_1());
}
-REGISTER_FUNCTION(atan2, atan2_eval, atan2_evalf, atan2_deriv, NULL);
+REGISTER_FUNCTION(atan2, eval_func(atan2_eval).
+ evalf_func(atan2_evalf).
+ derivative_func(atan2_deriv));
//////////
// hyperbolic sine (trigonometric function)
return cosh(x);
}
-REGISTER_FUNCTION(sinh, sinh_eval, sinh_evalf, sinh_deriv, NULL);
+REGISTER_FUNCTION(sinh, eval_func(sinh_eval).
+ evalf_func(sinh_evalf).
+ derivative_func(sinh_deriv));
//////////
// hyperbolic cosine (trigonometric function)
return sinh(x);
}
-REGISTER_FUNCTION(cosh, cosh_eval, cosh_evalf, cosh_deriv, NULL);
+REGISTER_FUNCTION(cosh, eval_func(cosh_eval).
+ evalf_func(cosh_evalf).
+ derivative_func(cosh_deriv));
+
//////////
// hyperbolic tangent (trigonometric function)
return (sinh(x)/cosh(x)).series(s, pt, order+2);
}
-REGISTER_FUNCTION(tanh, tanh_eval, tanh_evalf, tanh_deriv, tanh_series);
+REGISTER_FUNCTION(tanh, eval_func(tanh_eval).
+ evalf_func(tanh_evalf).
+ derivative_func(tanh_deriv).
+ series_func(tanh_series));
//////////
// inverse hyperbolic sine (trigonometric function)
return power(_ex1()+power(x,_ex2()),_ex_1_2());
}
-REGISTER_FUNCTION(asinh, asinh_eval, asinh_evalf, asinh_deriv, NULL);
+REGISTER_FUNCTION(asinh, eval_func(asinh_eval).
+ evalf_func(asinh_evalf).
+ derivative_func(asinh_deriv));
//////////
// inverse hyperbolic cosine (trigonometric function)
return power(x+_ex_1(),_ex_1_2())*power(x+_ex1(),_ex_1_2());
}
-REGISTER_FUNCTION(acosh, acosh_eval, acosh_evalf, acosh_deriv, NULL);
+REGISTER_FUNCTION(acosh, eval_func(acosh_eval).
+ evalf_func(acosh_evalf).
+ derivative_func(acosh_deriv));
//////////
// inverse hyperbolic tangent (trigonometric function)
return power(_ex1()-power(x,_ex2()),_ex_1());
}
-REGISTER_FUNCTION(atanh, atanh_eval, atanh_evalf, atanh_deriv, NULL);
+REGISTER_FUNCTION(atanh, eval_func(atanh_eval).
+ evalf_func(atanh_evalf).
+ derivative_func(atanh_deriv));
#ifndef NO_NAMESPACE_GINAC
} // namespace GiNaC