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DTIC ADA068023: Development of Mathematical Software and Mathematic...
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The purpose of this paper is to briefly examine several
of the major issues concerning the development of
numerical mathematical software and numerical
mathematical software libraries. The paper begins with a
brief summary of the evolution of general-purpose
mathematical software libraries. This is followed by an
introductory discussion on software reliability. It is
often tacitly assumed that most of the basic numerical
mathematics problems have satisfactorily been solved.
This is shown not to be the case. Indeed, it is noted
that many of the problems encounter not only deep
theoretical difficulties, but also numerous software
engineering problems. The next major topic is software
portability. Here the emphasis is on portability
difficulties that arise from design deficiencies in the
programming languages. It is noted that FORTRAN permits
an arithmetic expression to be altered when it is known
that the modification can produce different results. The
final issues considered are those involved in forming a
library. If the purpose of the library is to serve as
broad an audience as possible, then it is recognized that
the subroutines in the library should be as simple to use
and as comprehensive as is practical. Thus formation of
the library can be characterized as a packaging problem,
the objective being to package mathematical formulae and
theory into comprehensive, simple-to-use subroutines.
(Author)
Date Published: 2017-09-06 00:33:32
Identifier: DTIC_ADA068023
Item Size: 21938375
Language: english
Media Type: texts
# Topics
DTIC Archive; Morris,Alfred H , Jr; ...
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