Make symbol::name be initialized lazily.

[ginac.git] / doc / examples / ginac-examples.texi

diff --git a/doc/examples/ginac-examples.texi b/doc/examples/ginac-examples.texi
index 8870dafb84a8fde391a5937067176b602774f84a..7067f7ca0e81b14d56afff845a8f89b73e8f74a3 100644 (file)
--- a/doc/examples/ginac-examples.texi
+++ b/doc/examples/ginac-examples.texi
@@ -15,6 +15,11 @@
 @node Top
 @end ifnottex
 
 @node Top
 @end ifnottex
 

+@dircategory Mathematics
+@direntry
+* ginac-examples: (ginac-examples).                   C++ library for symbolic computation.
+@end direntry
+

 @finalout
 @c finalout prevents ugly black rectangles on overfull hbox lines
 
 @finalout
 @c finalout prevents ugly black rectangles on overfull hbox lines
 


@@ -30,6 +35,13 @@ This is a collection of code examples using GiNaC.
 
 Two expression are stored in an archive on the disk and are restored again.
 
 
 Two expression are stored in an archive on the disk and are restored again.
 

+@section Input and output of expressions
+
+@subsection Expression input @uref{derivative.cpp, (source)}
+
+Interactively input expression and compute its derivative with respect
+to the ``x'' variable.
+

 @chapter Monte Carlo Integration
 
 @section Example showing compile_ex @uref{compile1.cpp, (source)}
 @chapter Monte Carlo Integration
 
 @section Example showing compile_ex @uref{compile1.cpp, (source)}