X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;ds=sidebyside;f=ginac%2Ffunction.cppy;h=2737b934ffe754251740a7e36e884ebb0ce27153;hb=aed514f534cc6b4438822c1fcf80c203a828a94c;hp=d020d65fe54fbadfa4f4d62b6f83bd20d418bd5a;hpb=cd22e73d44e3320898f62a0accdbbe005b33d3e5;p=ginac.git

diff --git a/ginac/function.cppy b/ginac/function.cppy
index d020d65f..2737b934 100644
--- a/ginac/function.cppy
+++ b/ginac/function.cppy
@@ -7,7 +7,7 @@
  *  Please do not modify it directly, edit function.cppy instead!
  *  function.py options: maxargs=@maxargs@
  *
- *  GiNaC Copyright (C) 1999-2016 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2022 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
@@ -75,7 +75,7 @@ function_options::~function_options()
 
 void function_options::initialize()
 {
-	set_name("unnamed_function", "\\\\mbox{unnamed}");
+	set_name("unnamed_function", "\\mbox{unnamed}");
 	nparams = 0;
 	eval_f = evalf_f = real_part_f = imag_part_f = conjugate_f = expand_f
 		= derivative_f = expl_derivative_f = power_f = series_f = nullptr;
@@ -104,7 +104,7 @@ function_options & function_options::set_name(std::string const & n,
 {
 	name = n;
 	if (tn==std::string())
-		TeX_name = "\\\\mbox{"+name+"}";
+		TeX_name = "\\mbox{"+name+"}";
 	else
 		TeX_name = tn;
 	return *this;
@@ -259,18 +259,20 @@ function::function(unsigned ser, exvector && v)
 void function::read_archive(const archive_node& n, lst& sym_lst)
 {
 	inherited::read_archive(n, sym_lst);
-	// Find serial number by function name
+	// Find serial number by function name and number of parameters
+	unsigned np = seq.size();
 	std::string s;
 	if (n.find_string("name", s)) {
 		unsigned int ser = 0;
 		for (auto & it : registered_functions()) {
-			if (s == it.name) {
+			if (s == it.name && np == registered_functions()[ser].nparams) {
 				serial = ser;
 				return;
 			}
 			++ser;
 		}
-		throw (std::runtime_error("unknown function '" + s + "' in archive"));
+		throw (std::runtime_error("unknown function '" + s +
+		                          "' with " + std::to_string(np) + " parameters in archive"));
 	} else
 		throw (std::runtime_error("unnamed function in archive"));
 }
@@ -435,7 +437,7 @@ ex function::evalf() const
 	}
 	current_serial = serial;
 	if (opt.evalf_use_exvector_args)
-		return ((evalf_funcp_exvector)(opt.evalf_f))(seq);
+		return ((evalf_funcp_exvector)(opt.evalf_f))(eseq);
 	switch (opt.nparams) {
 		// the following lines have been generated for max. @maxargs@ parameters
 +++ for N in range(1, maxargs + 1):
@@ -448,7 +450,7 @@ ex function::evalf() const
 }
 
 /**
- *  This method is defined to be in line with behaviour of function::return_type()
+ *  This method is defined to be in line with behavior of function::return_type()
  */
 ex function::eval_ncmul(const exvector & v) const
 {
@@ -764,7 +766,7 @@ ex function::expl_derivative(const symbol & s) const // explicit differentiation
 			// end of generated lines
 		}
 	}
-	// There is no fallback for explicit deriviative.
+	// There is no fallback for explicit derivative.
 	throw(std::logic_error("function::expl_derivative(): explicit derivation is called, but no such function defined"));
 }
 
@@ -838,8 +840,8 @@ void function::store_remember_table(ex const & result) const
 unsigned function::register_new(function_options const & opt)
 {
 	size_t same_name = 0;
-	for (size_t i=0; i<registered_functions().size(); ++i) {
-		if (registered_functions()[i].name==opt.name) {
+	for (auto & i : registered_functions()) {
+		if (i.name==opt.name) {
 			++same_name;
 		}
 	}