Constraint functional logic programming over finite domains

In this paper, we present our proposal to Constraint Functional Logic Programming over Finite Domains (CFLP($\fd$)) with a lazy functional logic programming language which seamlessly embodies finite domain ($\fd$) constraints. This proposal increases the expressiveness and power of constraint logic...

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Bibliographic Details
Published in:Theory and practice of logic programming Vol. 7; no. 5; pp. 537 - 582
Main Authors: Fernandez, Antonio J, Hortala-Gonzalez, Teresa, Saenz-Perez, Fernando, Del Vado-Virseda, Rafael
Format: Journal Article
Language:English
Published: Cambridge, UK Cambridge University Press 01.09.2007
Subjects:
Regular Papers
functional logic programming
constraint logic programming
finite domains
ISSN:1471-0684, 1475-3081
Online Access:Get full text
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Summary:In this paper, we present our proposal to Constraint Functional Logic Programming over Finite Domains (CFLP($\fd$)) with a lazy functional logic programming language which seamlessly embodies finite domain ($\fd$) constraints. This proposal increases the expressiveness and power of constraint logic programming over finite domains (CLP($\fd$)) by combining functional and relational notation, curried expressions, higher-order functions, patterns, partial applications, non-determinism, lazy evaluation, logical variables, types, domain variables, constraint composition, and finite domain constraints. We describe the syntax of the language, its type discipline, and its declarative and operational semantics. We also describe \toy(fd)$, an implementation for CFLP($\fd$), and a comparison of our approach with respect to CLP($\fd$) from a programming point of view, showing the new features we introduce. And, finally, we show a performance analysis which demonstrates that our implementation is competitive with respect to existing CLP($\fd$) systems and that clearly outperforms the closer approach to CFLP($\fd$).
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ISSN:1471-0684
1475-3081
DOI:10.1017/S1471068406002924