4 my ($seq_template,$n)=@_;
8 for ($N=1; $N<=$n; $N++) {
9 $res .= eval('"' . $seq_template . '"');
17 sub generate_from_to {
18 my ($template,$seq_template1,$seq_template2,$from,$to)=@_;
22 for ($N=$from; $N<=$to; $N++) {
23 $SEQ1=generate_seq($seq_template1,$N);
24 $SEQ2=generate_seq($seq_template2,$N);
25 $res .= eval('"' . $template . '"');
26 $SEQ1=''; # to avoid main::SEQ1 used only once warning
27 $SEQ2=''; # same as above
33 my ($template,$seq_template1,$seq_template2)=@_;
34 return generate_from_to($template,$seq_template1,$seq_template2,1,$maxargs);
37 $declare_function_macro = <<'END_OF_DECLARE_FUNCTION_1_AND_2P_MACRO';
38 #define DECLARE_FUNCTION_1P(NAME) \
39 extern const unsigned function_index_##NAME; \
40 inline GiNaC::function NAME(const GiNaC::ex & p1) { \
41 return GiNaC::function(function_index_##NAME, p1); \
43 #define DECLARE_FUNCTION_2P(NAME) \
44 extern const unsigned function_index_##NAME; \
45 inline GiNaC::function NAME(const GiNaC::ex & p1, const GiNaC::ex & p2) { \
46 return GiNaC::function(function_index_##NAME, p1, p2); \
49 END_OF_DECLARE_FUNCTION_1_AND_2P_MACRO
51 $declare_function_macro .= generate_from_to(
52 <<'END_OF_DECLARE_FUNCTION_MACRO','const GiNaC::ex & p${N}','p${N}',3,$maxargs);
53 #define DECLARE_FUNCTION_${N}P(NAME) \\
54 extern const unsigned function_index_##NAME; \\
55 inline GiNaC::function NAME(${SEQ1}) { \\
56 return GiNaC::function(function_index_##NAME, ${SEQ2}); \\
59 END_OF_DECLARE_FUNCTION_MACRO
61 $typedef_eval_funcp=generate(
62 'typedef ex (* eval_funcp_${N})(${SEQ1});'."\n",
65 $typedef_evalf_funcp=generate(
66 'typedef ex (* evalf_funcp_${N})(${SEQ1});'."\n",
69 $typedef_derivative_funcp=generate(
70 'typedef ex (* derivative_funcp_${N})(${SEQ1}, unsigned);'."\n",
73 $typedef_series_funcp=generate(
74 'typedef ex (* series_funcp_${N})(${SEQ1}, const relational &, int, unsigned);'."\n",
77 $eval_func_interface=generate(' function_options & eval_func(eval_funcp_${N} e);'."\n",'','');
79 $evalf_func_interface=generate(' function_options & evalf_func(evalf_funcp_${N} ef);'."\n",'','');
81 $derivative_func_interface=generate(' function_options & derivative_func(derivative_funcp_${N} d);'."\n",'','');
83 $series_func_interface=generate(' function_options & series_func(series_funcp_${N} s);'."\n",'','');
85 $constructors_interface=generate(
86 ' function(unsigned ser, ${SEQ1});'."\n",
87 'const ex & param${N}','');
89 $constructors_implementation=generate(
90 <<'END_OF_CONSTRUCTORS_IMPLEMENTATION','const ex & param${N}','param${N}');
91 function::function(unsigned ser, ${SEQ1})
92 : exprseq(${SEQ2}), serial(ser)
94 debugmsg(\"function ctor from unsigned,${N}*ex\",LOGLEVEL_CONSTRUCT);
95 tinfo_key = TINFO_function;
97 END_OF_CONSTRUCTORS_IMPLEMENTATION
99 $eval_switch_statement=generate(
100 <<'END_OF_EVAL_SWITCH_STATEMENT','seq[${N}-1]','');
102 eval_result=((eval_funcp_${N})(registered_functions()[serial].eval_f))(${SEQ1});
104 END_OF_EVAL_SWITCH_STATEMENT
106 $evalf_switch_statement=generate(
107 <<'END_OF_EVALF_SWITCH_STATEMENT','eseq[${N}-1]','');
109 return ((evalf_funcp_${N})(registered_functions()[serial].evalf_f))(${SEQ1});
110 END_OF_EVALF_SWITCH_STATEMENT
112 $diff_switch_statement=generate(
113 <<'END_OF_DIFF_SWITCH_STATEMENT','seq[${N}-1]','');
115 return ((derivative_funcp_${N})(registered_functions()[serial].derivative_f))(${SEQ1},diff_param);
116 END_OF_DIFF_SWITCH_STATEMENT
118 $series_switch_statement=generate(
119 <<'END_OF_SERIES_SWITCH_STATEMENT','seq[${N}-1]','');
122 res = ((series_funcp_${N})(registered_functions()[serial].series_f))(${SEQ1},r,order,options);
123 } catch (do_taylor) {
124 res = basic::series(r, order, options);
127 END_OF_SERIES_SWITCH_STATEMENT
129 $eval_func_implementation=generate(
130 <<'END_OF_EVAL_FUNC_IMPLEMENTATION','','');
131 function_options & function_options::eval_func(eval_funcp_${N} e)
133 test_and_set_nparams(${N});
134 eval_f=eval_funcp(e);
137 END_OF_EVAL_FUNC_IMPLEMENTATION
139 $evalf_func_implementation=generate(
140 <<'END_OF_EVALF_FUNC_IMPLEMENTATION','','');
141 function_options & function_options::evalf_func(evalf_funcp_${N} ef)
143 test_and_set_nparams(${N});
144 evalf_f=evalf_funcp(ef);
147 END_OF_EVALF_FUNC_IMPLEMENTATION
149 $derivative_func_implementation=generate(
150 <<'END_OF_DERIVATIVE_FUNC_IMPLEMENTATION','','');
151 function_options & function_options::derivative_func(derivative_funcp_${N} d)
153 test_and_set_nparams(${N});
154 derivative_f=derivative_funcp(d);
157 END_OF_DERIVATIVE_FUNC_IMPLEMENTATION
159 $series_func_implementation=generate(
160 <<'END_OF_SERIES_FUNC_IMPLEMENTATION','','');
161 function_options & function_options::series_func(series_funcp_${N} s)
163 test_and_set_nparams(${N});
164 series_f=series_funcp(s);
167 END_OF_SERIES_FUNC_IMPLEMENTATION
169 $interface=<<END_OF_INTERFACE;
170 /** \@file function.h
172 * Interface to abstract class function (new function concept). */
175 * This file was generated automatically by function.pl.
176 * Please do not modify it directly, edit the perl script instead!
177 * function.pl options: \$maxargs=${maxargs}
179 * GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
181 * This program is free software; you can redistribute it and/or modify
182 * it under the terms of the GNU General Public License as published by
183 * the Free Software Foundation; either version 2 of the License, or
184 * (at your option) any later version.
186 * This program is distributed in the hope that it will be useful,
187 * but WITHOUT ANY WARRANTY; without even the implied warranty of
188 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
189 * GNU General Public License for more details.
191 * You should have received a copy of the GNU General Public License
192 * along with this program; if not, write to the Free Software
193 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
196 #ifndef __GINAC_FUNCTION_H__
197 #define __GINAC_FUNCTION_H__
202 // CINT needs <algorithm> to work properly with <vector>
207 // the following lines have been generated for max. ${maxargs} parameters
208 $declare_function_macro
209 // end of generated lines
211 #define REGISTER_FUNCTION(NAME,OPT) \\
212 const unsigned function_index_##NAME= \\
213 GiNaC::function::register_new(GiNaC::function_options(#NAME).OPT);
215 #define REGISTER_FUNCTION_OLD(NAME,E,EF,D,S) \\
216 const unsigned function_index_##NAME= \\
217 GiNaC::function::register_new(GiNaC::function_options(#NAME). \\
220 derivative_func(D). \\
223 #define BEGIN_TYPECHECK \\
224 bool automatic_typecheck=true;
226 #define TYPECHECK(VAR,TYPE) \\
227 if (!is_ex_exactly_of_type(VAR,TYPE)) { \\
228 automatic_typecheck=false; \\
231 #define TYPECHECK_INTEGER(VAR) \\
232 if (!(VAR).info(GiNaC::info_flags::integer)) { \\
233 automatic_typecheck=false; \\
236 #define END_TYPECHECK(RV) \\
238 if (!automatic_typecheck) { \\
246 typedef ex (* eval_funcp)();
247 typedef ex (* evalf_funcp)();
248 typedef ex (* derivative_funcp)();
249 typedef ex (* series_funcp)();
251 // the following lines have been generated for max. ${maxargs} parameters
254 $typedef_derivative_funcp
255 $typedef_series_funcp
256 // end of generated lines
258 class function_options
260 friend class function;
263 function_options(std::string const & n, std::string const & tn=std::string());
265 void initialize(void);
266 function_options & set_name(std::string const & n, std::string const & tn=std::string());
267 function_options & latex_name(std::string const & tn);
268 // the following lines have been generated for max. ${maxargs} parameters
270 $evalf_func_interface
271 $derivative_func_interface
272 $series_func_interface
273 // end of generated lines
274 function_options & set_return_type(unsigned rt, unsigned rtt=0);
275 function_options & do_not_evalf_params(void);
276 function_options & remember(unsigned size, unsigned assoc_size=0,
277 unsigned strategy=remember_strategies::delete_never);
278 function_options & overloaded(unsigned o);
279 void test_and_set_nparams(unsigned n);
280 std::string get_name(void) const { return name; }
281 unsigned get_nparams(void) const { return nparams; }
285 std::string TeX_name;
291 derivative_funcp derivative_f;
292 series_funcp series_f;
294 bool evalf_params_first;
296 bool use_return_type;
297 unsigned return_type;
298 unsigned return_type_tinfo;
301 unsigned remember_size;
302 unsigned remember_assoc_size;
303 unsigned remember_strategy;
305 unsigned functions_with_same_name;
308 /** The class function is used to implement builtin functions like sin, cos...
309 and user defined functions */
310 class function : public exprseq
312 GINAC_DECLARE_REGISTERED_CLASS(function, exprseq)
314 // CINT has a linking problem
316 friend void ginsh_get_ginac_functions(void);
317 #endif // def __MAKECINT__
319 friend class remember_table_entry;
320 // friend class remember_table_list;
321 // friend class remember_table;
327 function(unsigned ser);
328 // the following lines have been generated for max. ${maxargs} parameters
329 $constructors_interface
330 // end of generated lines
331 function(unsigned ser, const exprseq & es);
332 function(unsigned ser, const exvector & v, bool discardable=0);
333 function(unsigned ser, exvector * vp); // vp will be deleted
335 // functions overriding virtual functions from bases classes
337 void print(const print_context & c, unsigned level = 0) const;
338 unsigned precedence(void) const {return 70;}
339 int degree(const ex & s) const;
340 int ldegree(const ex & s) const;
341 ex coeff(const ex & s, int n = 1) const;
342 ex expand(unsigned options=0) const;
343 ex eval(int level=0) const;
344 ex evalf(int level=0) const;
345 unsigned calchash(void) const;
346 ex series(const relational & r, int order, unsigned options = 0) const;
347 bool match(const ex & pattern, lst & repl_lst) const;
348 ex thisexprseq(const exvector & v) const;
349 ex thisexprseq(exvector * vp) const;
351 ex derivative(const symbol & s) const;
352 bool is_equal_same_type(const basic & other) const;
353 unsigned return_type(void) const;
354 unsigned return_type_tinfo(void) const;
356 // new virtual functions which can be overridden by derived classes
359 // non-virtual functions in this class
361 ex pderivative(unsigned diff_param) const; // partial differentiation
362 static std::vector<function_options> & registered_functions(void);
363 bool lookup_remember_table(ex & result) const;
364 void store_remember_table(ex const & result) const;
366 static unsigned register_new(function_options const & opt);
367 static unsigned find_function(const std::string &name, unsigned nparams);
368 unsigned get_serial(void) const {return serial;}
369 std::string get_name(void) const;
377 // utility functions/macros
378 inline const function &ex_to_function(const ex &e)
380 return static_cast<const function &>(*e.bp);
383 #define is_ex_the_function(OBJ, FUNCNAME) \\
384 (is_ex_exactly_of_type(OBJ, function) && static_cast<GiNaC::function *>(OBJ.bp)->get_serial() == function_index_##FUNCNAME)
388 #endif // ndef __GINAC_FUNCTION_H__
392 $implementation=<<END_OF_IMPLEMENTATION;
393 /** \@file function.cpp
395 * Implementation of class function. */
398 * This file was generated automatically by function.pl.
399 * Please do not modify it directly, edit the perl script instead!
400 * function.pl options: \$maxargs=${maxargs}
402 * GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
404 * This program is free software; you can redistribute it and/or modify
405 * it under the terms of the GNU General Public License as published by
406 * the Free Software Foundation; either version 2 of the License, or
407 * (at your option) any later version.
409 * This program is distributed in the hope that it will be useful,
410 * but WITHOUT ANY WARRANTY; without even the implied warranty of
411 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
412 * GNU General Public License for more details.
414 * You should have received a copy of the GNU General Public License
415 * along with this program; if not, write to the Free Software
416 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
423 #include "function.h"
430 #include "debugmsg.h"
431 #include "remember.h"
436 // helper class function_options
439 function_options::function_options()
444 function_options::function_options(std::string const & n, std::string const & tn)
450 function_options::~function_options()
452 // nothing to clean up at the moment
455 void function_options::initialize(void)
457 set_name("unnamed_function","\\\\mbox{unnamed}");
459 eval_f=evalf_f=derivative_f=series_f=0;
460 evalf_params_first=true;
461 use_return_type=false;
463 functions_with_same_name=1;
466 function_options & function_options::set_name(std::string const & n,
467 std::string const & tn)
470 if (tn==std::string()) {
471 TeX_name="\\\\mbox{"+name+"}";
478 function_options & function_options::latex_name(std::string const & tn)
484 // the following lines have been generated for max. ${maxargs} parameters
485 $eval_func_implementation
486 $evalf_func_implementation
487 $derivative_func_implementation
488 $series_func_implementation
489 // end of generated lines
491 function_options & function_options::set_return_type(unsigned rt, unsigned rtt)
493 use_return_type=true;
495 return_type_tinfo=rtt;
499 function_options & function_options::do_not_evalf_params(void)
501 evalf_params_first=false;
505 function_options & function_options::remember(unsigned size,
511 remember_assoc_size=assoc_size;
512 remember_strategy=strategy;
516 function_options & function_options::overloaded(unsigned o)
518 functions_with_same_name=o;
522 void function_options::test_and_set_nparams(unsigned n)
526 } else if (nparams!=n) {
527 // we do not throw an exception here because this code is
528 // usually executed before main(), so the exception could not
530 std::cerr << "WARNING: number of parameters ("
531 << n << ") differs from number set before ("
532 << nparams << ")" << std::endl;
536 GINAC_IMPLEMENT_REGISTERED_CLASS(function, exprseq)
539 // default ctor, dtor, copy ctor assignment operator and helpers
544 function::function() : serial(0)
546 debugmsg("function default ctor",LOGLEVEL_CONSTRUCT);
547 tinfo_key = TINFO_function;
552 void function::copy(const function & other)
554 exprseq::copy(other);
558 void function::destroy(bool call_parent)
560 if (call_parent) exprseq::destroy(call_parent);
569 function::function(unsigned ser) : serial(ser)
571 debugmsg("function ctor from unsigned",LOGLEVEL_CONSTRUCT);
572 tinfo_key = TINFO_function;
575 // the following lines have been generated for max. ${maxargs} parameters
576 $constructors_implementation
577 // end of generated lines
579 function::function(unsigned ser, const exprseq & es) : exprseq(es), serial(ser)
581 debugmsg("function ctor from unsigned,exprseq",LOGLEVEL_CONSTRUCT);
582 tinfo_key = TINFO_function;
585 function::function(unsigned ser, const exvector & v, bool discardable)
586 : exprseq(v,discardable), serial(ser)
588 debugmsg("function ctor from string,exvector,bool",LOGLEVEL_CONSTRUCT);
589 tinfo_key = TINFO_function;
592 function::function(unsigned ser, exvector * vp)
593 : exprseq(vp), serial(ser)
595 debugmsg("function ctor from unsigned,exvector *",LOGLEVEL_CONSTRUCT);
596 tinfo_key = TINFO_function;
603 /** Construct object from archive_node. */
604 function::function(const archive_node &n, const lst &sym_lst) : inherited(n, sym_lst)
606 debugmsg("function ctor from archive_node", LOGLEVEL_CONSTRUCT);
608 // Find serial number by function name
610 if (n.find_string("name", s)) {
611 unsigned int ser = 0;
612 std::vector<function_options>::const_iterator i = registered_functions().begin(), iend = registered_functions().end();
620 throw (std::runtime_error("unknown function '" + s + "' in archive"));
622 throw (std::runtime_error("unnamed function in archive"));
625 /** Unarchive the object. */
626 ex function::unarchive(const archive_node &n, const lst &sym_lst)
628 return (new function(n, sym_lst))->setflag(status_flags::dynallocated);
631 /** Archive the object. */
632 void function::archive(archive_node &n) const
634 inherited::archive(n);
635 GINAC_ASSERT(serial < registered_functions().size());
636 n.add_string("name", registered_functions()[serial].name);
640 // functions overriding virtual functions from bases classes
645 void function::print(const print_context & c, unsigned level) const
647 debugmsg("function print", LOGLEVEL_PRINT);
649 GINAC_ASSERT(serial<registered_functions().size());
651 if (is_of_type(c, print_tree)) {
653 c.s << std::string(level, ' ') << class_name() << " "
654 << registered_functions()[serial].name
655 << std::hex << ", hash=0x" << hashvalue << ", flags=0x" << flags << std::dec
656 << ", nops=" << nops()
658 unsigned delta_indent = static_cast<const print_tree &>(c).delta_indent;
659 for (unsigned i=0; i<nops(); ++i)
660 seq[i].print(c, level + delta_indent);
661 c.s << std::string(level + delta_indent, ' ') << "=====" << std::endl;
663 } else if (is_of_type(c, print_csrc)) {
665 // Print function name in lowercase
666 std::string lname = registered_functions()[serial].name;
667 for (unsigned i=0; i<lname.size(); i++)
668 lname[i] = tolower(lname[i]);
671 // Print arguments, separated by commas
672 exvector::const_iterator it = seq.begin(), itend = seq.end();
673 while (it != itend) {
681 } else if is_of_type(c, print_latex) {
682 c.s << registered_functions()[serial].TeX_name;
683 printseq(c, '(', ',', ')', exprseq::precedence(), function::precedence());
685 c.s << registered_functions()[serial].name;
686 printseq(c, '(', ',', ')', exprseq::precedence(), function::precedence());
690 ex function::expand(unsigned options) const
692 return this->setflag(status_flags::expanded);
695 int function::degree(const ex & s) const
697 return is_equal(*s.bp) ? 1 : 0;
700 int function::ldegree(const ex & s) const
702 return is_equal(*s.bp) ? 1 : 0;
705 ex function::coeff(const ex & s, int n) const
708 return n==1 ? _ex1() : _ex0();
710 return n==0 ? ex(*this) : _ex0();
713 ex function::eval(int level) const
715 GINAC_ASSERT(serial<registered_functions().size());
718 // first evaluate children, then we will end up here again
719 return function(serial,evalchildren(level));
722 if (registered_functions()[serial].eval_f==0) {
726 bool use_remember=registered_functions()[serial].use_remember;
728 if (use_remember && lookup_remember_table(eval_result)) {
732 switch (registered_functions()[serial].nparams) {
733 // the following lines have been generated for max. ${maxargs} parameters
734 ${eval_switch_statement}
735 // end of generated lines
737 throw(std::logic_error("function::eval(): invalid nparams"));
740 store_remember_table(eval_result);
745 ex function::evalf(int level) const
747 GINAC_ASSERT(serial<registered_functions().size());
749 exvector eseq=evalfchildren(level);
751 if (registered_functions()[serial].evalf_f==0) {
752 return function(serial,eseq).hold();
754 switch (registered_functions()[serial].nparams) {
755 // the following lines have been generated for max. ${maxargs} parameters
756 ${evalf_switch_statement}
757 // end of generated lines
759 throw(std::logic_error("function::evalf(): invalid nparams"));
762 unsigned function::calchash(void) const
764 unsigned v = golden_ratio_hash(golden_ratio_hash(tinfo()) ^ serial);
765 for (unsigned i=0; i<nops(); i++) {
766 v = rotate_left_31(v);
767 v ^= this->op(i).gethash();
770 if (flags & status_flags::evaluated) {
771 setflag(status_flags::hash_calculated);
777 ex function::thisexprseq(const exvector & v) const
779 return function(serial,v);
782 ex function::thisexprseq(exvector * vp) const
784 return function(serial,vp);
787 /** Implementation of ex::series for functions.
788 * \@see ex::series */
789 ex function::series(const relational & r, int order, unsigned options) const
791 GINAC_ASSERT(serial<registered_functions().size());
793 if (registered_functions()[serial].series_f==0) {
794 return basic::series(r, order);
797 switch (registered_functions()[serial].nparams) {
798 // the following lines have been generated for max. ${maxargs} parameters
799 ${series_switch_statement}
800 // end of generated lines
802 throw(std::logic_error("function::series(): invalid nparams"));
805 bool function::match(const ex & pattern, lst & repl_lst) const
807 // Serial number must match
808 if (is_ex_of_type(pattern, function) && serial != ex_to_function(pattern).serial)
810 return inherited::match(pattern, repl_lst);
816 /** Implementation of ex::diff() for functions. It applies the chain rule,
817 * except for the Order term function.
819 ex function::derivative(const symbol & s) const
823 if (serial == function_index_Order) {
824 // Order Term function only differentiates the argument
825 return Order(seq[0].diff(s));
826 } else if (serial == function_index_Derivative) {
827 // Inert derivative performs chain rule on the first argument only, and
828 // adds differentiation parameter to list (second argument)
829 GINAC_ASSERT(is_ex_exactly_of_type(seq[0], function));
830 GINAC_ASSERT(is_ex_exactly_of_type(seq[1], function));
833 for (unsigned i=0; i!=fcn.nops(); i++) {
834 arg_diff = fcn.op(i).diff(s);
835 if (!arg_diff.is_zero()) {
836 lst new_lst = ex_to_lst(seq[1]);
838 result += arg_diff * Derivative(fcn, new_lst);
844 for (unsigned i=0; i!=seq.size(); i++) {
845 arg_diff = seq[i].diff(s);
846 // We apply the chain rule only when it makes sense. This is not
847 // just for performance reasons but also to allow functions to
848 // throw when differentiated with respect to one of its arguments
849 // without running into trouble with our automatic full
851 if (!arg_diff.is_zero())
852 result += pderivative(i)*arg_diff;
858 int function::compare_same_type(const basic & other) const
860 GINAC_ASSERT(is_of_type(other, function));
861 const function & o=static_cast<function &>(const_cast<basic &>(other));
863 if (serial!=o.serial) {
864 return serial < o.serial ? -1 : 1;
866 return exprseq::compare_same_type(o);
869 bool function::is_equal_same_type(const basic & other) const
871 GINAC_ASSERT(is_of_type(other, function));
872 const function & o=static_cast<function &>(const_cast<basic &>(other));
874 if (serial!=o.serial) return false;
875 return exprseq::is_equal_same_type(o);
878 unsigned function::return_type(void) const
881 return return_types::commutative;
883 return (*seq.begin()).return_type();
886 unsigned function::return_type_tinfo(void) const
891 return (*seq.begin()).return_type_tinfo();
895 // new virtual functions which can be overridden by derived classes
901 // non-virtual functions in this class
906 ex function::pderivative(unsigned diff_param) const // partial differentiation
908 GINAC_ASSERT(serial<registered_functions().size());
910 if (registered_functions()[serial].derivative_f==0) {
911 return Derivative(*this, lst(ex(diff_param)));
913 switch (registered_functions()[serial].nparams) {
914 // the following lines have been generated for max. ${maxargs} parameters
915 ${diff_switch_statement}
916 // end of generated lines
918 throw(std::logic_error("function::pderivative(): no diff function defined"));
921 std::vector<function_options> & function::registered_functions(void)
923 static std::vector<function_options> * rf = new std::vector<function_options>;
927 bool function::lookup_remember_table(ex & result) const
929 return remember_table::remember_tables()[serial].lookup_entry(*this,result);
932 void function::store_remember_table(ex const & result) const
934 remember_table::remember_tables()[serial].add_entry(*this,result);
939 unsigned function::register_new(function_options const & opt)
941 unsigned same_name=0;
942 for (unsigned i=0; i<registered_functions().size(); ++i) {
943 if (registered_functions()[i].name==opt.name) {
947 if (same_name>=opt.functions_with_same_name) {
948 // we do not throw an exception here because this code is
949 // usually executed before main(), so the exception could not
951 std::cerr << "WARNING: function name " << opt.name
952 << " already in use!" << std::endl;
954 registered_functions().push_back(opt);
955 if (opt.use_remember) {
956 remember_table::remember_tables().
957 push_back(remember_table(opt.remember_size,
958 opt.remember_assoc_size,
959 opt.remember_strategy));
961 remember_table::remember_tables().push_back(remember_table());
963 return registered_functions().size()-1;
966 /** Find serial number of function by name and number of parameters.
967 * Throws exception if function was not found. */
968 unsigned function::find_function(const std::string &name, unsigned nparams)
970 std::vector<function_options>::const_iterator i = function::registered_functions().begin(), end = function::registered_functions().end();
973 if (i->get_name() == name && i->get_nparams() == nparams)
978 throw (std::runtime_error("no function '" + name + "' with " + ToString(nparams) + " parameters defined"));
981 /** Return the print name of the function. */
982 std::string function::get_name(void) const
984 GINAC_ASSERT(serial<registered_functions().size());
985 return registered_functions()[serial].name;
990 END_OF_IMPLEMENTATION
992 print "Creating interface file function.h...";
993 open OUT,">function.h" or die "cannot open function.h";
994 print OUT $interface;
998 print "Creating implementation file function.cpp...";
999 open OUT,">function.cpp" or die "cannot open function.cpp";
1000 print OUT $implementation;