Modified external functions to enforce consistent number of function arguments within model_block
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46e56b59c0
commit
a70b60604c
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@ -416,7 +416,7 @@ expression : '(' expression ')'
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| MIN '(' expression COMMA expression ')'
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{ $$ = driver.add_min($3, $5); }
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| symbol { driver.push_external_function_arg_vector_onto_stack(); } '(' comma_expression ')'
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{ $$ = driver.add_model_var_or_external_function($1); }
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{ $$ = driver.add_model_var_or_external_function($1,false); }
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| NORMCDF '(' expression COMMA expression COMMA expression ')'
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{ $$ = driver.add_normcdf($3, $5, $7); }
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| NORMCDF '(' expression ')'
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@ -562,17 +562,17 @@ hand_side : '(' hand_side ')'
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| SQRT '(' hand_side ')'
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{ $$ = driver.add_sqrt($3); }
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| MAX '(' hand_side COMMA hand_side ')'
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{ $$ = driver.add_max($3, $5); }
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{ $$ = driver.add_max($3, $5); }
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| MIN '(' hand_side COMMA hand_side ')'
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{ $$ = driver.add_min($3, $5); }
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{ $$ = driver.add_min($3, $5); }
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| symbol { driver.push_external_function_arg_vector_onto_stack(); } '(' comma_hand_side ')'
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{ $$ = driver.add_model_var_or_external_function($1); }
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{ $$ = driver.add_model_var_or_external_function($1,true); }
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| NORMCDF '(' hand_side COMMA hand_side COMMA hand_side ')'
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{ $$ = driver.add_normcdf($3, $5, $7); }
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{ $$ = driver.add_normcdf($3, $5, $7); }
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| NORMCDF '(' hand_side ')'
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{ $$ = driver.add_normcdf($3); }
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{ $$ = driver.add_normcdf($3); }
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| STEADY_STATE '(' hand_side ')'
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{ $$ = driver.add_steady_state($3); }
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{ $$ = driver.add_steady_state($3); }
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;
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comma_hand_side : hand_side
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@ -3206,6 +3206,7 @@ ExternalFunctionNode::prepareForDerivation()
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NodeID
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ExternalFunctionNode::computeDerivative(int deriv_id)
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{
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assert(datatree.external_functions_table.getNargs(symb_id) > 0);
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vector<NodeID> dargs;
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for (vector<NodeID>::const_iterator it = arguments.begin(); it != arguments.end(); it++)
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dargs.push_back((*it)->getDerivative(deriv_id));
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@ -31,16 +31,12 @@ ExternalFunctionsTable::ExternalFunctionsTable()
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}
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void
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ExternalFunctionsTable::addExternalFunction(int symb_id, const external_function_options &external_function_options_arg)
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ExternalFunctionsTable::addExternalFunction(int symb_id, const external_function_options &external_function_options_arg, bool track_nargs)
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{
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assert(symb_id >= 0);
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assert(external_function_options_arg.nargs > 0);
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if (external_function_options_arg.nargs <= 0)
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{
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cerr << "ERROR: The number of arguments passed to an external function must be > 0." << endl;
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exit(EXIT_FAILURE);
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}
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// Change options to be saved so the table is consistent
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external_function_options external_function_options_chng = external_function_options_arg;
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if (external_function_options_arg.firstDerivSymbID == eExtFunSetButNoNameProvided)
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external_function_options_chng.firstDerivSymbID = symb_id;
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@ -48,6 +44,10 @@ ExternalFunctionsTable::addExternalFunction(int symb_id, const external_function
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if (external_function_options_arg.secondDerivSymbID == eExtFunSetButNoNameProvided)
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external_function_options_chng.secondDerivSymbID = symb_id;
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if (!track_nargs)
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external_function_options_chng.nargs = eExtFunNotSet;
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// Ensure 1st & 2nd deriv option consistency
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if (external_function_options_chng.secondDerivSymbID == symb_id &&
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external_function_options_chng.firstDerivSymbID != symb_id)
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{
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@ -81,29 +81,37 @@ ExternalFunctionsTable::addExternalFunction(int symb_id, const external_function
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exit(EXIT_FAILURE);
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}
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// Ensure that if we're overwriting something, we mean to do it
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if (exists(symb_id))
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{
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if (external_function_options_arg.nargs != getNargs(symb_id))
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{
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cerr << "ERROR: The number of arguments passed to the external_function() statement do not "
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<< "match the number of arguments passed to a previous call or declaration of the top-level function."<< endl;
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exit(EXIT_FAILURE);
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}
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bool ok_to_overwrite = false;
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if (getNargs(symb_id) == eExtFunNotSet) // implies that the information stored about this function is not important
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ok_to_overwrite = true;
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if (external_function_options_chng.firstDerivSymbID != getFirstDerivSymbID(symb_id))
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{
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cerr << "ERROR: The first derivative function passed to the external_function() statement does not "
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<< "match the first derivative function passed to a previous call or declaration of the top-level function."<< endl;
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exit(EXIT_FAILURE);
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}
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if (!ok_to_overwrite) // prevents multiple non-compatible calls to external_function(name=funcname)
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{ // e.g. e_f(name=a,nargs=1,fd,sd) and e_f(name=a,nargs=2,fd=b,sd=c) should cause an error
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if (external_function_options_chng.nargs != getNargs(symb_id))
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{
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cerr << "ERROR: The number of arguments passed to the external_function() statement do not "
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<< "match the number of arguments passed to a previous call or declaration of the top-level function."<< endl;
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exit(EXIT_FAILURE);
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}
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if (external_function_options_chng.secondDerivSymbID != getSecondDerivSymbID(symb_id))
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{
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cerr << "ERROR: The second derivative function passed to the external_function() statement does not "
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<< "match the second derivative function passed to a previous call or declaration of the top-level function."<< endl;
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exit(EXIT_FAILURE);
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if (external_function_options_chng.firstDerivSymbID != getFirstDerivSymbID(symb_id))
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{
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cerr << "ERROR: The first derivative function passed to the external_function() statement does not "
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<< "match the first derivative function passed to a previous call or declaration of the top-level function."<< endl;
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exit(EXIT_FAILURE);
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}
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if (external_function_options_chng.secondDerivSymbID != getSecondDerivSymbID(symb_id))
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{
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cerr << "ERROR: The second derivative function passed to the external_function() statement does not "
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<< "match the second derivative function passed to a previous call or declaration of the top-level function."<< endl;
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exit(EXIT_FAILURE);
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}
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}
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}
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else
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externalFunctionTable[symb_id] = external_function_options_chng;
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externalFunctionTable[symb_id] = external_function_options_chng;
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}
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@ -65,7 +65,7 @@ private:
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public:
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ExternalFunctionsTable();
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//! Adds an external function to the table as well as its derivative functions
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void addExternalFunction(int symb_id, const external_function_options &external_function_options_arg);
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void addExternalFunction(int symb_id, const external_function_options &external_function_options_arg, bool track_nargs);
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//! See if the function exists in the External Functions Table
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inline bool exists(int symb_id) const;
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//! Get the number of arguments for a given external function
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@ -75,7 +75,7 @@ public:
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//! Get the symbol_id of the second derivative function
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inline int getSecondDerivSymbID(int symb_id) const throw (UnknownExternalFunctionSymbolIDException);
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//! Returns the total number of unique external functions declared or used in the .mod file
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inline int get_total_number_of_unique_external_functions() const;
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inline int get_total_number_of_unique_model_block_external_functions() const;
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};
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inline bool
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@ -113,9 +113,15 @@ ExternalFunctionsTable::getSecondDerivSymbID(int symb_id) const throw (UnknownEx
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}
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inline int
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ExternalFunctionsTable::get_total_number_of_unique_external_functions() const
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ExternalFunctionsTable::get_total_number_of_unique_model_block_external_functions() const
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{
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return externalFunctionTable.size();
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int number_of_unique_model_block_external_functions = 0;
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for (external_function_table_type::const_iterator it = externalFunctionTable.begin();
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it != externalFunctionTable.end(); it++)
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if (it->second.nargs > 0)
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number_of_unique_model_block_external_functions++;
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return number_of_unique_model_block_external_functions;
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}
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#endif
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@ -135,7 +135,7 @@ ModFile::checkPass()
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exit(EXIT_FAILURE);
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}
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if ((use_dll || byte_code) && external_functions_table.get_total_number_of_unique_external_functions())
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if ((use_dll || byte_code) && (external_functions_table.get_total_number_of_unique_model_block_external_functions() > 0))
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{
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cerr << "ERROR: In 'model' block, use of external functions is not compatible with 'use_dll' or 'bytecode'" << endl;
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exit(EXIT_FAILURE);
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@ -1628,6 +1628,7 @@ void
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ParsingDriver::external_function_option(const string &name_option, string *opt)
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{
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external_function_option(name_option, *opt);
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delete opt;
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}
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void
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@ -1680,7 +1681,7 @@ ParsingDriver::external_function()
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current_external_function_options.firstDerivSymbID != eExtFunSetButNoNameProvided)
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error("If the second derivative is provided in the top-level function, the first derivative must also be provided in that function.");
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mod_file->external_functions_table.addExternalFunction(current_external_function_id, current_external_function_options);
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mod_file->external_functions_table.addExternalFunction(current_external_function_id, current_external_function_options, true);
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reset_current_external_function_options();
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}
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@ -1698,8 +1699,9 @@ ParsingDriver::add_external_function_arg(NodeID arg)
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}
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NodeID
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ParsingDriver::add_model_var_or_external_function(string *function_name)
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ParsingDriver::add_model_var_or_external_function(string *function_name, bool in_model_block)
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{
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NodeID nid;
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if (mod_file->symbol_table.exists(*function_name))
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{
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if (mod_file->symbol_table.getType(*function_name) != eExternalFunction)
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@ -1734,7 +1736,7 @@ ParsingDriver::add_model_var_or_external_function(string *function_name)
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if ((double) model_var_arg != model_var_arg_dbl) //make 100% sure int cast didn't lose info
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error("A model variable is being treated as if it were a function (i.e., takes an argument that is not an integer).");
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NodeID nid = add_model_variable(mod_file->symbol_table.getID(*function_name), model_var_arg);
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nid = add_model_variable(mod_file->symbol_table.getID(*function_name), model_var_arg);
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stack_external_function_args.pop();
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delete function_name;
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return nid;
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@ -1748,25 +1750,32 @@ ParsingDriver::add_model_var_or_external_function(string *function_name)
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int symb_id = mod_file->symbol_table.getID(*function_name);
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assert(mod_file->external_functions_table.exists(symb_id));
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if ((int)(stack_external_function_args.top().size()) != mod_file->external_functions_table.getNargs(symb_id))
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error("The number of arguments passed to " + *function_name +
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" does not match those of a previous call or declaration of this function.");
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if (in_model_block)
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if (mod_file->external_functions_table.getNargs(symb_id) == eExtFunNotSet)
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error("Before using " + *function_name +
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"() in the model block, you must first declare it via the external_function() statement");
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else if ((int)(stack_external_function_args.top().size()) != mod_file->external_functions_table.getNargs(symb_id))
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error("The number of arguments passed to " + *function_name +
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"() does not match those of a previous call or declaration of this function.");
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}
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}
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else
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{ //First time encountering this external function i.e., not previously declared or encountered
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if (in_model_block)
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error("To use an external function within the model block, you must first declare it via the external_function() statement.");
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declare_symbol(function_name, eExternalFunction, NULL);
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current_external_function_options.nargs = stack_external_function_args.top().size();
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mod_file->external_functions_table.addExternalFunction(mod_file->symbol_table.getID(*function_name),
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current_external_function_options);
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current_external_function_options, in_model_block);
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reset_current_external_function_options();
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}
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//By this point, we're sure that this function exists in the External Functions Table and is not a mod var
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NodeID id = data_tree->AddExternalFunction(*function_name, stack_external_function_args.top());
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nid = data_tree->AddExternalFunction(*function_name, stack_external_function_args.top());
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stack_external_function_args.pop();
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delete function_name;
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return id;
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return nid;
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}
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void
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@ -484,7 +484,7 @@ public:
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//! Adds an external function argument
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void add_external_function_arg(NodeID arg);
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//! Adds an external function call node
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NodeID add_model_var_or_external_function(string *function_name);
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NodeID add_model_var_or_external_function(string *function_name, bool in_model_block);
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//! Adds a native statement
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void add_native(const char *s);
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//! Resets data_tree and model_tree pointers to default (i.e. mod_file->expressions_tree)
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