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Array Package and BLAS for Java - download page

This page lets you download the Array Package and BLAS for Java classes and their documentation.

This package is distributed free of charge under the conditions of the IBM alphaWorks license. If you download or use the Array Package and BLAS for Java classes you agree to the terms in the IBM alphaWorks License Agreement. Please read it before downloading.

The file arraypak.zip(800KB) contains the entire Array package distribution. It includes the following:

  1. The class files are contained in array.zip(240KB).
  2. Documentation for the classes and methods are in arraydoc.zip(390KB compressed, 6.5MB uncompressed).
  3. Example programs are in arraydemo.zip (8KB).

A discussion of the philosophy behind the Array package, and its advantages, can be found in our technical report, A Standard Java Array Package for Technical Computing, available in postscript (132KB) or PDF (146KB).

In brief, to install the classes for use, you need to:

  1. Download the Array package (arraypak.zip).
  2. Unzip arraypak.zip into some directory. After unzipping arraypak.zip, the directory will contain the file array.zip, along with various files containing documentation, sample programs, etc..
  3. Move the file array.zip (without unzipping) into a convenient directory.
  4. Add the file array.zip to your CLASSPATH setting, or import it into your development environment. At this point you are ready to use the Array package.
  5. To access the documentation files (javadoc generated) unzip the file arraydoc.zip into a convenient directory.

Please see your Java installation instructions for details on how to change your CLASSPATH.

You should now be able to compile and run the demonstration applications, which are also included in the arraypak.zip file.

For AIX HPCJ users, a precompiled version of the Array Package for Java is available as arrayjll.zip. This version was compiled with a research prototype version of HPCJ.

In brief, to install the jll for use, you need to:

  1. Download the arrayjll.zip ( 1.4 MB Compressed, 6 MB Uncompressed ) into some directory.
  2. Unzip arrayjll.zip to obtain array.jll.
  3. Add array.jll (full path and file name) to your CLASSPATH. You will still need to have array.zip in your CLASSPATH.
Refer to your HPCJ documentation for further details on jlls.

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