A Constructive Criticism of the C/C++ Proposal for Complex Arithmetic

A Constructive Criticism of the C/C++ Proposal for Complex Arithmetic The IEEE 754 and 854 standards regulate the behaviour of real floating-point arithmetic, as implemented in most current hard- and software systems. Although a myriad of libraries for complex floating-point arithmetic is available and in use, there is no general consensus on their implementation. The International C Standard describes in its Annex G guidelines for the implementation of complex arithmetic, in order to achieve a similar behaviour of complex floating-point arithmetic across C-language compliant implementations. In Section 2 we summarize its recommendations and outline the problems inherent to this approach. In Section 3 we describe how the lack of reliability, when computing certain complex-valued expressions, can be overcome. Throughout the discussion the rounding mode is assumed to be round-to-nearest, as in Annex G. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Reliable Computing Springer Journals

A Constructive Criticism of the C/C++ Proposal for Complex Arithmetic

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 2005 by Springer Science + Business Media, Inc.
Subject
Mathematics; Numeric Computing; Approximations and Expansions; Computational Mathematics and Numerical Analysis; Mathematical Modeling and Industrial Mathematics
ISSN
1385-3139
eISSN
1573-1340
D.O.I.
10.1007/s11155-005-6893-9
Publisher site
See Article on Publisher Site

Abstract

The IEEE 754 and 854 standards regulate the behaviour of real floating-point arithmetic, as implemented in most current hard- and software systems. Although a myriad of libraries for complex floating-point arithmetic is available and in use, there is no general consensus on their implementation. The International C Standard describes in its Annex G guidelines for the implementation of complex arithmetic, in order to achieve a similar behaviour of complex floating-point arithmetic across C-language compliant implementations. In Section 2 we summarize its recommendations and outline the problems inherent to this approach. In Section 3 we describe how the lack of reliability, when computing certain complex-valued expressions, can be overcome. Throughout the discussion the rounding mode is assumed to be round-to-nearest, as in Annex G.

Journal

Reliable ComputingSpringer Journals

Published: Jan 1, 2005

References

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