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The Computer Journal 1978 21(4):333-336; doi:10.1093/comjnl/21.4.333
© 1978 by British Computer Society
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An experimental testbed for numerical software

M. A. Hennell *

Computational Science Department, University of Liverpool, Liverpool, UK

This paper describes an experimental testbed facility designed to examine some of the problems which arise in the implementation of high quality numerical software libraries.

The testbed is used to measure the effectiveness of test programs. Effectiveness here is used in the sense that these test programs should ensure that the routine implementation is error free rather than to examine the numerical properties of the algorithm.

The testbed has been used in extensive investigations of the stringent test programs of the NAG numerical algorithms library (Ford and Hague, 1974) and continuation of this work is seen as a major application for the testbed.

Received September 1976. revised version received October 1977.

* Computational Science Department, University of Liverpool, Liverpool 3


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