mention the "dummy()" function option

[ginac.git] / ginac / utils.cpp

diff --git a/ginac/utils.cpp b/ginac/utils.cpp
index f05bb1d4ed939b81865a45408cd9f0aaedf388e8..7291021d50cca6b4c18253b70d7e04ece40f63a4 100644 (file)
--- a/ginac/utils.cpp
+++ b/ginac/utils.cpp
@@ -4,7 +4,7 @@
  *  but not of any interest to the user of the library. */
 
 /*
- *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2003 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
@@ -39,7 +39,7 @@ pole_error::pole_error(const std::string& what_arg, int degree)
        : domain_error(what_arg), deg(degree) { }
 
 /** Return the degree of the pole_error exception class. */
-int pole_error::degree(void) const
+int pole_error::degree() const
 {
        return deg;
 }
@@ -187,6 +187,7 @@ const ex _ex_1_4= _num_1_4;
 
 // static numeric 0
 const numeric *_num0_p;
+const basic *_num0_bp;
 const numeric &_num0 = *_num0_p;
 const ex _ex0 = _num0;
 
@@ -340,6 +341,7 @@ library_init::library_init()
                _num_1_3_p= reinterpret_cast<const numeric*>(&((new numeric(-1,3))->setflag(status_flags::dynallocated)));
                _num_1_4_p= reinterpret_cast<const numeric*>(&((new numeric(-1,4))->setflag(status_flags::dynallocated)));
                _num0_p   = reinterpret_cast<const numeric*>(&((new numeric(0))->setflag(status_flags::dynallocated)));
+               _num0_bp  = _num0_p;
                _num1_4_p = reinterpret_cast<const numeric*>(&((new numeric(1,4))->setflag(status_flags::dynallocated)));
                _num1_3_p = reinterpret_cast<const numeric*>(&((new numeric(1,3))->setflag(status_flags::dynallocated)));
                _num1_2_p = reinterpret_cast<const numeric*>(&((new numeric(1,2))->setflag(status_flags::dynallocated)));
@@ -364,6 +366,21 @@ library_init::library_init()
                _num48_p  = reinterpret_cast<const numeric*>(&((new numeric(48))->setflag(status_flags::dynallocated)));
                _num60_p  = reinterpret_cast<const numeric*>(&((new numeric(60))->setflag(status_flags::dynallocated)));
                _num120_p = reinterpret_cast<const numeric*>(&((new numeric(120))->setflag(status_flags::dynallocated)));
+
+               // Initialize print context class info (this is not strictly necessary
+               // but we do it anyway to make print_context_class_info::dump_hierarchy()
+               // output the whole hierarchy whether or not the classes are actually
+               // used)
+               print_context::get_class_info_static();
+               print_dflt::get_class_info_static();
+               print_latex::get_class_info_static();
+               print_python::get_class_info_static();
+               print_python_repr::get_class_info_static();
+               print_tree::get_class_info_static();
+               print_csrc::get_class_info_static();
+               print_csrc_float::get_class_info_static();
+               print_csrc_double::get_class_info_static();
+               print_csrc_cl_N::get_class_info_static();
        }
 }
 
@@ -384,10 +401,10 @@ library_init::~library_init()
 
 // member functions
 
-       // default ctor, dtor, copy ctor, assignment operator and helpers
+       // default constructor, destructor, copy constructor and assignment operator
        // none
 
-       // other ctors
+       // other constructors
        // none
 
        // functions overriding virtual functions from base classes
@@ -408,14 +425,14 @@ library_init::~library_init()
 
 
 //////////
-// default ctor, dtor, copy ctor, assignment operator and helpers
+// default constructor, destructor, copy constructor and assignment operator
 //////////
 
 // public
 // protected
 
 //////////
-// other ctors
+// other constructors
 //////////
 
 // public