X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Finifcns.cpp;h=0daa97989abf8260202a0db99cfb572f576379ec;hb=ac58769a3265fa850c74f5d601b6f68077276d84;hp=d5e9275b54ee1f482745fdfc1d8f06e9656d0995;hpb=703c6cebb5d3d395437e73e6935f3691aed68e0a;p=ginac.git

diff --git a/ginac/inifcns.cpp b/ginac/inifcns.cpp
index d5e9275b..0daa9798 100644
--- a/ginac/inifcns.cpp
+++ b/ginac/inifcns.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's initially known functions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2001 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
@@ -37,9 +37,7 @@
 #include "symbol.h"
 #include "utils.h"
 
-#ifndef NO_NAMESPACE_GINAC
 namespace GiNaC {
-#endif // ndef NO_NAMESPACE_GINAC
 
 //////////
 // absolute value
@@ -63,7 +61,7 @@ static ex abs_eval(const ex & arg)
 }
 
 REGISTER_FUNCTION(abs, eval_func(abs_eval).
-					   evalf_func(abs_evalf));
+                       evalf_func(abs_evalf));
 
 
 //////////
@@ -108,13 +106,14 @@ static ex csgn_eval(const ex & arg)
 }
 
 static ex csgn_series(const ex & arg,
-					  const relational & rel,
-					  int order,
-					  unsigned options)
+                      const relational & rel,
+                      int order,
+                      unsigned options)
 {
 	const ex arg_pt = arg.subs(rel);
-	if (arg_pt.info(info_flags::numeric) &&
-		ex_to_numeric(arg_pt).real().is_zero())
+	if (arg_pt.info(info_flags::numeric)
+	    && ex_to_numeric(arg_pt).real().is_zero()
+	    && !(options & series_options::suppress_branchcut))
 		throw (std::domain_error("csgn_series(): on imaginary axis"));
 	
 	epvector seq;
@@ -123,8 +122,8 @@ static ex csgn_series(const ex & arg,
 }
 
 REGISTER_FUNCTION(csgn, eval_func(csgn_eval).
-						evalf_func(csgn_evalf).
-						series_func(csgn_series));
+                        evalf_func(csgn_evalf).
+                        series_func(csgn_series));
 
 
 //////////
@@ -159,10 +158,10 @@ static ex eta_eval(const ex & x, const ex & y)
 }
 
 static ex eta_series(const ex & arg1,
-					 const ex & arg2,
-					 const relational & rel,
-					 int order,
-					 unsigned options)
+                     const ex & arg2,
+                     const relational & rel,
+                     int order,
+                     unsigned options)
 {
 	const ex arg1_pt = arg1.subs(rel);
 	const ex arg2_pt = arg2.subs(rel);
@@ -177,8 +176,9 @@ static ex eta_series(const ex & arg1,
 }
 
 REGISTER_FUNCTION(eta, eval_func(eta_eval).
-					   evalf_func(eta_evalf).
-					   series_func(eta_series));
+                       evalf_func(eta_evalf).
+                       series_func(eta_series).
+                       latex_name("\\eta"));
 
 
 //////////
@@ -314,9 +314,10 @@ static ex Li2_series(const ex &x, const relational &rel, int order, unsigned opt
 }
 
 REGISTER_FUNCTION(Li2, eval_func(Li2_eval).
-					   evalf_func(Li2_evalf).
-					   derivative_func(Li2_deriv).
-					   series_func(Li2_series));
+                       evalf_func(Li2_evalf).
+                       derivative_func(Li2_deriv).
+                       series_func(Li2_series).
+                       latex_name("\\mbox{Li}_2"));
 
 //////////
 // trilogarithm
@@ -329,7 +330,8 @@ static ex Li3_eval(const ex & x)
 	return Li3(x).hold();
 }
 
-REGISTER_FUNCTION(Li3, eval_func(Li3_eval));
+REGISTER_FUNCTION(Li3, eval_func(Li3_eval).
+                       latex_name("\\mbox{Li}_3"));
 
 //////////
 // factorial
@@ -349,7 +351,7 @@ static ex factorial_eval(const ex & x)
 }
 
 REGISTER_FUNCTION(factorial, eval_func(factorial_eval).
-							 evalf_func(factorial_evalf));
+                             evalf_func(factorial_evalf));
 
 //////////
 // binomial
@@ -369,7 +371,7 @@ static ex binomial_eval(const ex & x, const ex &y)
 }
 
 REGISTER_FUNCTION(binomial, eval_func(binomial_eval).
-							evalf_func(binomial_evalf));
+                            evalf_func(binomial_evalf));
 
 //////////
 // Order term function (for truncated power series)
@@ -405,7 +407,8 @@ static ex Order_series(const ex & x, const relational & r, int order, unsigned o
 // Differentiation is handled in function::derivative because of its special requirements
 
 REGISTER_FUNCTION(Order, eval_func(Order_eval).
-						 series_func(Order_series));
+                         series_func(Order_series).
+                         latex_name("\\mathcal{O}"));
 
 //////////
 // Inert partial differentiation operator
@@ -489,7 +492,7 @@ ex lsolve(const ex &eqns, const ex &symbols)
 	matrix solution;
 	try {
 		solution = sys.solve(vars,rhs);
-	} catch (const runtime_error & e) {
+	} catch (const std::runtime_error & e) {
 		// Probably singular matrix or otherwise overdetermined system:
 		// It is consistent to return an empty list
 		return lst();
@@ -526,6 +529,4 @@ ex ncpower(const ex &basis, unsigned exponent)
 unsigned force_include_tgamma = function_index_tgamma;
 unsigned force_include_zeta1 = function_index_zeta1;
 
-#ifndef NO_NAMESPACE_GINAC
 } // namespace GiNaC
-#endif // ndef NO_NAMESPACE_GINAC