[bugfix] integer_cra: check if arguments contain at least 2 moduli

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

diff --git a/doc/examples/ginac-examples.texi b/doc/examples/ginac-examples.texi
index 06fd98859a6c19a8198583373312d874390bfb96..2a109daa4c25496d559fb4d61913de88e1462b9f 100644 (file)
--- a/doc/examples/ginac-examples.texi
+++ b/doc/examples/ginac-examples.texi
@@ -30,6 +30,13 @@ This is a collection of code examples using GiNaC.
 
 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)}
@@ -45,4 +52,11 @@ An expression in two variables is integrated by using VEGAS from the
 
 Demonstrates the use of link_ex. Program has to be called more than once to see the effect.
 
+@chapter Lanczos Approximation
+
+The program lanczos.cpp calculates coefficients for use in the Lanczos
+approximation of the gamma function. The Lanczos approximation is used by
+the function inside GiNaC that approximates the gamma function numerically.
+See the comments in the source file for more information.
+
 @bye