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README

1#
2#  /**-------------------------------------------------------------------**
3#   **                              CLooG                                **
4#   **-------------------------------------------------------------------**
5#   **                       Library use examples                        **
6#   **-------------------------------------------------------------------**
7#   **             First version of this file: july 15th 2003            **
8#   **-------------------------------------------------------------------**/
9#
10
11
12In this directory are presented various examples of how to use the CLooG
13library. For each case, you will need to edit the makefile file according to
14your system, in particular you will have to set where your CLooG library has
15been installed, and where are the CLooG header files. Don't forget to update
16your LD_LIBRARY_PATH environment variable to reach the CLooG library. If you
17performed the default installation of CLooG, the library is in /usr/local/lib
18thus you need to set LD_LIBRARY_PATH thanks to one of the following command:
19'setenv LD_LIBRARY_PATH /usr/local/lib' for tcsh-like shells, or
20'export LD_LIBRARY_PATH=/usr/local/lib' for bash-like shells.
21
22For any problem: <cloog-development@googlegroups.com>.
23
24
25#   **-------------------------------------------------------------------**
26#   **                          I. example                               **
27#   **-------------------------------------------------------------------**/
28
29
30This directory includes two basic examples:
31- The first example program creates a simple CLooG-like loop generation
32program in a few lines. The input problem has to be given on standard input.
33Users can test it for instance by typing 'more FILE.cloog | ./example' (or
34example.exe under Cygwin) after compilation.
35- The second example shows how to build a CLooG input from isl sets,
36generate the scanning code AST and pretty-printing it to the standard
37output. Users can test it by typing './example-isl' (or example-isl.exe
38under Cygwin) after compilation.
39
40
41#   **-------------------------------------------------------------------**
42#   **                       II. cloog2loopgen                           **
43#   **-------------------------------------------------------------------**/
44
45NO MORE EXISTS !
46
47This example creates a program converting a CLooG input file to a LoopGen input
48file. This can be useful to compare the two tools (I do not support LoopGen,
49don't ask me if you find some bugs !). The usage of the created tool is:
50'cloog2loopgen input_file output_file'.
51
52
53#   **-------------------------------------------------------------------**
54#   **                       III. cloog2Omega                            **
55#   **-------------------------------------------------------------------**/
56
57
58NO MORE EXISTS !
59
60This example creates a program converting a CLooG input file to an Omega
61CodeGen input file. This can be useful to compare the two tools (I do not
62support CodeGen, don't ask me if you find some bugs !). The usage of the
63created tool is: 'cloog2omega input_file output_file'.
64