X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Ffunction.pl;h=318e46c19bda4143f4f77908f19928de6cbdf203;hp=6b25c70df7203cba947af9518ff7019079f4136c;hb=c734f9bb6a1ce0aad913aa19a56542d84d86c60d;hpb=30b6666cc3c35756cd952dbb52314e0e2f93f7c0

diff --git a/ginac/function.pl b/ginac/function.pl
index 6b25c70d..318e46c1 100755
--- a/ginac/function.pl
+++ b/ginac/function.pl
@@ -60,6 +60,7 @@ $declare_function_macro = generate(
 	<<'END_OF_DECLARE_FUNCTION_MACRO','typename T${N}','const T${N} & p${N}','GiNaC::ex(p${N})');
 #define DECLARE_FUNCTION_${N}P(NAME) \\
 class NAME##_SERIAL { public: static unsigned serial; }; \\
+const unsigned NAME##_NPARAMS = ${N}; \\
 template<${SEQ1}> const GiNaC::function NAME(${SEQ2}) { \\
 	return GiNaC::function(NAME##_SERIAL::serial, ${SEQ3}); \\
 }
@@ -260,7 +261,7 @@ $declare_function_macro
 
 #define REGISTER_FUNCTION(NAME,OPT) \\
 unsigned NAME##_SERIAL::serial = \\
-	GiNaC::function::register_new(GiNaC::function_options(#NAME).OPT);
+	GiNaC::function::register_new(GiNaC::function_options(#NAME, NAME##_NPARAMS).OPT);
 
 namespace GiNaC {
 
@@ -300,6 +301,7 @@ class function_options
 public:
 	function_options();
 	function_options(std::string const & n, std::string const & tn=std::string());
+	function_options(std::string const & n, unsigned np);
 	~function_options();
 	void initialize();
 
@@ -537,6 +539,13 @@ function_options::function_options(std::string const & n, std::string const & tn
 	set_name(n, tn);
 }
 
+function_options::function_options(std::string const & n, unsigned np)
+{
+	initialize();
+	set_name(n, std::string());
+	nparams = np;
+}
+
 function_options::~function_options()
 {
 	// nothing to clean up at the moment