Статья 'Применение fortran-библиотек линейной алгебры в среде delphi' - журнал 'Кибернетика и программирование' - NotaBene.ru
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Cybernetics and programming

The use of fortran linear algebra libraries in the delphi environment

Malashkevich Irina Ardalionovna

Associate Professor, Department of Information Systems, Volga State University of Technology

424038, Russia, respublika Marii El, g. Ioshkar-Ola, ul. Leninskii prospect, 3

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Malashkevich Vasilii Borisovich

PhD in Technical Science

424000, Respublika Marii El, g. Ioshkar-Ola, pl. Lenina, dom 3.

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Abstract: The article presents the components and header modules written in Object Pascal, allowing to easy include libraries with such functions and procedures for numerical solution of linear-algebra as BLAS, LAPACK, ARPACK etc. written in FORTRAN. Using these libraries in modern programming languages such as C ++ or Object Pascal is hard due to significant problems associated with the methods of passing parameters to subroutines, as well as to the method of representation of an array in memory. Another serious problem is the numbering of the elements that start from 1 in FORTRAN. In Object Pascal considering this condition may require careful analysis and the modification of the algorithm for solving the problem. This greatly increases the complexity of programming and leads to hidden, difficult to detect algorithmic errors. To provide transparent access the routines of FORTRAN-libraries while programming in Object Pascal in Delphi environment the authors developed two classes of objects for representing one-dimensional arrays TVector and two-dimensional arrays TMatrix.

Keywords: programming, TMatrix, TVector, Object Pascal, delphi, linear algebra, library, fortran, algorithm, subroutine
This article written in Russian. You can find full text of article in Russian here .

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