Merge git://www.ginac.de/ginac

[ginac.git] / doc / tutorial / ginac.texi

diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi
index c92e38dcf9b8e6112b9919d9cbab8433d4b52964..555b2d66e5b14b3cba251507952cecc1f95c5606 100644 (file)
--- a/doc/tutorial/ginac.texi
+++ b/doc/tutorial/ginac.texi
@@ -15,6 +15,7 @@
 
 @include version.texi
 
+@dircategory Mathematics
 @direntry
 * ginac: (ginac).                   C++ library for symbolic computation.
 @end direntry
@@ -23,7 +24,7 @@
 This is a tutorial that documents GiNaC @value{VERSION}, an open
 framework for symbolic computation within the C++ programming language.
 
-Copyright (C) 1999-2007 Johannes Gutenberg University Mainz, Germany
+Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
 
 Permission is granted to make and distribute verbatim copies of
 this manual provided the copyright notice and this permission notice
@@ -51,7 +52,7 @@ notice identical to this one.
 
 @page
 @vskip 0pt plus 1filll
-Copyright @copyright{} 1999-2007 Johannes Gutenberg University Mainz, Germany
+Copyright @copyright{} 1999-2008 Johannes Gutenberg University Mainz, Germany
 @sp 2
 Permission is granted to make and distribute verbatim copies of
 this manual provided the copyright notice and this permission notice
@@ -134,7 +135,7 @@ the near future.
 
 @section License
 The GiNaC framework for symbolic computation within the C++ programming
-language is Copyright @copyright{} 1999-2007 Johannes Gutenberg
+language is Copyright @copyright{} 1999-2008 Johannes Gutenberg
 University Mainz, Germany.
 
 This program is free software; you can redistribute it and/or
@@ -920,7 +921,12 @@ To get an idea about what kinds of symbolic composites may be built we
 have a look at the most important classes in the class hierarchy and
 some of the relations among the classes:
 
+@ifnotinfo
 @image{classhierarchy}
+@end ifnotinfo
+@ifinfo
+<PICTURE MISSING>
+@end ifinfo
 
 The abstract classes shown here (the ones without drop-shadow) are of no
 interest for the user.  They are used internally in order to avoid code
@@ -7822,7 +7828,8 @@ Now we will start implementing a new class @code{mystring} that allows
 placing character strings in algebraic expressions (this is not very useful,
 but it's just an example). This class will be a direct subclass of
 @code{basic}. You can use this sample implementation as a starting point
-for your own classes.
+for your own classes @footnote{The self-contained source for this example is
+included in GiNaC, see the @file{doc/examples/mystring.cpp} file.}.
 
 The code snippets given here assume that you have included some header files
 as follows:
@@ -8549,7 +8556,12 @@ addition and multiplication, one container for exponentiation with base
 and exponent and some atomic leaves of symbols and numbers in this
 fashion:
 
+@ifnotinfo
 @image{repnaive}
+@end ifnotinfo
+@ifinfo
+<PICTURE MISSING>
+@end ifinfo
 
 @cindex pair-wise representation
 However, doing so results in a rather deeply nested tree which will
@@ -8560,7 +8572,12 @@ spirit we can store the multiplication as a sequence of terms, each
 having a numeric exponent and a possibly complicated base, the tree
 becomes much more flat:
 
+@ifnotinfo
 @image{reppair}
+@end ifnotinfo
+@ifinfo
+<PICTURE MISSING>
+@end ifinfo
 
 The number @code{3} above the symbol @code{d} shows that @code{mul}
 objects are treated similarly where the coefficients are interpreted as
@@ -8582,7 +8599,12 @@ $2d^3 \left( 4a + 5b - 3 \right)$:
 @math{2*d^3*(4*a+5*b-3)}:
 @end ifnottex
 
+@ifnotinfo
 @image{repreal}
+@end ifnotinfo
+@ifinfo
+<PICTURE MISSING>
+@end ifinfo
 
 @cindex radical
 This also allows for a better handling of numeric radicals, since