Publication: Extension of TAPENADE toward Fortran 95
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Extension of TAPENADE toward Fortran 95

- incollection -
 

Author(s)
Valérie Pascual , Laurent Hascoët

Published in
Automatic Differentiation: Applications, Theory, and Implementations

Editor(s)
H. M. Bücker, G. Corliss, P. Hovland, U. Naumann, B. Norris

Year
2005

Publisher
Springer

Abstract
We present extensions to the automatic differentiation tool TAPENADE to increase coverage of the Fortran 95 language. We show how the existing architecture of the tool, with a language independent kernel and separate front-ends and back-ends, made it easier to deal with new syntactic forms and new control structures. However, several new features of Fortran 95 required us to make important choices and improvements in TAPENADE. We present these features, sorted into four categories: about the top-level structure of nested modules, subprograms, and interfaces; about structured data types; about overloading capabilities; and about array features. For each category, we discuss the choices made, and we illustrate their impact on small Fortran 95 examples. Dealing with pointers and dynamic memory allocation is delayed until extension to C begins. We consider this extension to Fortran 95 as a first step towards object-oriented languages.

Cross-References
Bucker2005ADA

AD Tools
TAPENADE

BibTeX
@INCOLLECTION{
         Pascual2005EoT,
       title = "Extension of {TAPENADE} toward {F}ortran~95",
       editor = "H. M. B{\"u}cker and G. Corliss and P. Hovland and U. Naumann and B.
         Norris",
       booktitle = "Automatic Differentiation: {A}pplications, Theory, and Implementations",
       series = "Lecture Notes in Computational Science and Engineering",
       publisher = "Springer",
       year = "2005",
       author = "Val{\'e}rie Pascual and Laurent Hasco{\"e}t",
       abstract = "We present extensions to the automatic differentiation tool TAPENADE to increase
         coverage of the Fortran 95 language. We show how the existing architecture of the tool, with a
         language independent kernel and separate front-ends and back-ends, made it easier to deal with new
         syntactic forms and new control structures. However, several new features of Fortran 95 required us
         to make important choices and improvements in TAPENADE. We present these features, sorted into four
         categories: about the top-level structure of nested modules, subprograms, and interfaces; about
         structured data types; about overloading capabilities; and about array features. For each category,
         we discuss the choices made, and we illustrate their impact on small Fortran 95 examples. Dealing
         with pointers and dynamic memory allocation is delayed until extension to C begins. We consider this
         extension to Fortran 95 as a first step towards object-oriented languages.",
       crossref = "Bucker2005ADA",
       ad_tools = "Tapenade",
       pages = "171--179",
       doi = "10.1007/3-540-28438-9_15"
}


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