Replace GiNaC::ToString() with std::to_string().

[ginac.git] / ginac / constant.h

diff --git a/ginac/constant.h b/ginac/constant.h
index 2353b32fa2d6aba9c18094d23346aa4c45363d7e..f75a629f27d27ee3ce3c6e36418caf308f424e75 100644 (file)
--- a/ginac/constant.h
+++ b/ginac/constant.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's constant types and some special constants. */
 
 /*
- *  GiNaC Copyright (C) 1999-2009 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2015 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
@@ -42,7 +42,7 @@ class constant : public basic
        GINAC_DECLARE_REGISTERED_CLASS(constant, basic)
        // other constructors
 public:
-       constant(const std::string & initname, evalffunctype efun = 0, const std::string & texname = std::string(), unsigned domain = domain::complex);
+       constant(const std::string & initname, evalffunctype efun = nullptr, const std::string & texname = std::string(), unsigned domain = domain::complex);
        constant(const std::string & initname, const numeric & initnumber, const std::string & texname = std::string(), unsigned domain = domain::complex);
        
        // functions overriding virtual functions from base classes