extern const char* const CREDITS_array[] = {
  "",
  "Authors",
  "=======",
  "",
  "The Parma Polyhedra Library and its documentation is being designed,",
  "extended, written, debugged, maintained and improved by the following",
  "people:",
  "",
  "",
  "Core Development Team:",
  "----------------------",
  "",
  "  Roberto Bagnara       [1] (University of Parma)",
  "  Patricia M. Hill      [2] (University of Leeds)",
  "  Enea Zaffanella       [3] (University of Parma)",
  "",
  "",
  "Former Members of the Core Development Team:",
  "--------------------------------------------",
  "",
  "  Elisa Ricci           (former student of the University of Parma,",
  "                        one of the four students with which the PPL",
  "                        project started) has been a major contributor",
  "                        to the development of the PPL, up until",
  "                        December 2002.",
  "",
  "",
  "Current Contributors:",
  "---------------------",
  "",
  "  Abramo Bagnara        (Opera Unica) rewrote and generalized the",
  "                        support for checked coefficients.  He also",
  "                        wrote the support for extended numbers and is",
  "                        currently writing a new implementation of",
  "                        intervals.  He also helps on several other",
  "                        design and implementation issues.",
  "",
  "  Fabio Bossi           (student of the University of Parma)",
  "                        is working on the PPL support for the approximation",
  "                        of floating point computations.",
  "",
  "  Francois Galea        [*] (University of Versailles) is working",
  "                        at the implementation of the Parametric Integer",
  "                        Programming solver.",
  "",
  "  Marco Poletti         (student of the University of Bologna)",
  "                        implemented the sparse matrices that are used",
  "                        in the MIP and PIP solvers of the PPL; he also",
  "                        did experiments on the parallelization of the",
  "                        sparse matrices' computations; he is now working",
  "                        on improving the PPL's memory footprint and",
  "                        on other improvements to the library.",
  "",
  "  Enric Rodriguez Carbonell [4] (Technical University of Catalonia) is",
  "                        working on the implementation of polynomial spaces.",
  "",
  "  Alessandro Zaccagnini [5] (University of Parma) has helped with",
  "                        the efficient implementation of GCD and LCM",
  "                        for checked numbers.  He is now working on the",
  "                        definitions of interval arithmetic operations.",
  "                        Alessandro is always a very valuable source of",
  "                        mathematical advice.",
  "",
  "",
  "Past Contributors:",
  "------------------",
  "",
  "  Roberto Amadini       (student of the University of Parma)",
  "                        did some work on the PPL support for the",
  "                        approximation of floating point computations.",
  "",
  "  Irene Bacchi          (former student of the University of Parma) worked",
  "                        on a development branch where she implemented",
  "                        several variants of algorithms, checking",
  "                        whether or not the set-union of two polyhedra",
  "                        is the same as their poly-hull.",
  "",
  "  Fabio Biselli         (student of the University of Parma)",
  "                        did some work on the PPL support for the",
  "                        approximation of floating point computations.",
  "",
  "  Danilo Bonardi        (former student of the University of Parma) worked",
  "                        on a development branch where he experimented",
  "                        with the use of metaprogramming techniques",
  "                        based on expression templates.  The objective",
  "                        of this work was to check the effectiveness of",
  "                        these techniques for moving computations from",
  "                        run-time to compile-time.",
  "",
  "  Sara Bonini           (former student of the University of Parma) is",
  "                        one of the four students with which the PPL",
  "                        project started.",
  "",
  "  Andrea Cimino         (former student of the University of Parma)",
  "                        wrote most of the mixed integer programming",
  "                        solver, and also most of the Java and OCaml",
  "                        interfaces.",
  "",
  "  Katy Dobson           [6] (former student of the University of Leeds)",
  "                        worked on the formalization and definition of",
  "                        algorithms for rational grids and products",
  "                        of grids and polyhedra.",
  "",
  "  Giordano Fracasso     (University of Parma) wrote the initial version",
  "                        of the support for native and checked integer",
  "                        coefficients.",
  "",
  "  Maximiliano Marchesi  (former student of the University of Parma)",
  "                        helped a little to improve the documentation for",
  "                        bounded differences.",
  "",
  "  Elena Mazzi           (University of Parma) worked on our implementation",
  "                        of bounded differences and octagons.  She also",
  "                        participated in the theoretical and practical",
  "                        work concerning widening operators for weakly",
  "                        relational domains.",
  "",
  "  David Merchat         (formerly at the University of Parma) helped us",
  "                        with the generation of the library's documentation",
  "                        using Doxygen.",
  "",
  "  Matthew Mundell       [7] (formerly at the University of Leeds) worked",
  "                        on the implementation of rational grids.  He has",
  "                        also helped on other implementation issues.",
  "",
  "  Andrea Pescetti       (University of Parma) was one of the four students",
  "                        with which the PPL project started.  Later, he",
  "                        helped a little with the library's documentation.",
  "",
  "  Barbara Quartieri     (former student of the University of Parma) worked",
  "                        on our implementation of bounded differences and",
  "                        octagons.",
  "",
  "  Angela Stazzone       (former student of the University of Parma)",
  "                        worked on the library's documentation.",
  "",
  "  Fabio Trabucchi       (University of Parma) worked on a development",
  "                        branch where he added serializers for all the",
  "                        objects of the PPL.  Support for serialization",
  "                        based on Fabio's work will be available in a",
  "                        future release of the library.",
  "",
  "  Claudio Trento        (former student of the University of Pisa) did",
  "                        a small amount of work on an experimental OCaml",
  "                        interface for the PPL.",
  "",
  "  Tatiana Zolo          (former student of the University of Parma) is",
  "                        one of the four students with which the PPL",
  "                        project started.",
  "",
  "",
  "",
  "Thanks!",
  "=======",
  "",
  "",
  "People:",
  "-------",
  "",
  "  Lucia Alessandrini    (University of Parma) provided 4 hour-long",
  "                        lectures on convex polyhedra for the Italian",
  "                        authors.  This was crucial for us to acquire",
  "                        and/or refresh the notions needed for",
  "                        developing the PPL library.",
  "",
  "",
  "  Frederic Besson       [8] provided useful comments and observations on",
  "                        the ideas (about an extrapolation operator for",
  "                        convex polyhedra) sketched in a paper he",
  "                        coauthored in 1999.",
  "",
  "  Tevfik Bultan         [9] (University of California, Santa Barbara)",
  "                        suggested us to add support for generalized",
  "                        affine transfer functions.  Discussions with",
  "                        Tevfik have been very useful.",
  "",
  "  Manuel Carro",
  "  Jose Morales          [9, 10] members of the CLIP Group [12], helped us",
  "                        to produce a Ciao Prolog [13] interface for the",
  "                        library.  The decisive (and memorable) debugging",
  "                        session took place in Parma in the afternoon of",
  "                        March 10th, 2003, with the participation of",
  "                        Jose Manuel Gomez.",
  "",
  "  Marco Comini          [14] (University of Udine) allows us to use his",
  "                        Mac OS X machine to work on portability to",
  "                        that platform.",
  "",
  "  Goran Frehse          [15] (VERIMAG, formerly at Carnegie Mellon University)",
  "                        provided very useful feedback while he was",
  "                        developing PHAVer [16].  We are working with",
  "                        Goran in order to include more polyhedra",
  "                        simplification facilities in the PPL.",
  "",
  "  Denis Gopan           [17] (University of Wisconsin-Madison) helped us",
  "                        extend the library with the \"expand space",
  "                        dimension\" and \"fold space dimensions\"",
  "                        operations of the library.",
  "",
  "  Martin Guy            [18] gave us access to his ARM machine: without",
  "                        this possibility, porting the PPL to the ARM's",
  "                        ABIs would have taken ages.",
  "",
  "  Bruno Haible          [19] (ILOG) made it possible (by writing the",
  "                        AC_LIB_LINKFLAGS macro and explaining how",
  "                        to use it) to allow the use of versions of the",
  "                        GMP library installed in nonstandard places.",
  "",
  "  Bertrand Jeannet      [20] (IRISA) wrote the New Polka library [21]",
  "                        and made it available.  We had several",
  "                        interesting exchanges with Bertrand concerning",
  "                        various aspects of polyhedra manipulation.",
  "",
  "  Herve Le Verge        (r.i.p.) wrote and published an implementation",
  "                        [22] of the Chernikova's algorithm [23] that",
  "                        has set the stage for subsequent",
  "                        implementation work, including our own.",
  "",
  "  Francesco Logozzo     [24] (formerly at Ecole Polytechnique) helped us",
  "                        straighten out some portability issues on Cygwin.",
  "",
  "  Kenneth MacKenzie     [25] provided very good bug reports that allowed",
  "                        us to fix several problems in the OCaml interface.",
  "",
  "  Costantino Medori     [26] (University of Parma) helped us on some",
  "                        mathematical aspects of the development.",
  "",
  "  Fred Mesnard          [27] (University of La Reunion), the main author",
  "                        of cTI [28], has worked with us on one of the",
  "                        first applications of the PPL: the \"cTI\"",
  "                        data-flow analyzer, which performs a linear",
  "                        size relation analysis using a domain of",
  "                        convex polyhedra.  The China data-flow",
  "                        analyzer [29] uses the Parma Polyhedra Library",
  "                        to perform the same analysis.  We have been",
  "                        running China against an old version of cTI",
  "                        that did not use the PPL, using it to",
  "                        analyze the same Prolog programs.  Since these",
  "                        systems did not share a single line of code,",
  "                        this gave us excellent opportunities for our",
  "                        initial testing and debugging work.",
  "",
  "  Ken Mixter            (then at Carnegie Mellon University) provided",
  "                        useful feedback while working on an",
  "                        experimental version of the Action Language",
  "                        Verifier [30] based on the PPL.",
  "",
  "  Sebastian Pop         [31] (now at AMD).  During his work on interfacing",
  "                        CLooG [32] with the PPL, Sebastian provided",
  "                        valuable feedback, particularly on the C",
  "                        interface to the PPL.  He also suggested the",
  "                        addition of new functionality such as the",
  "                        \"simplify using context\" operation.",
  "",
  "  Thomas Reps           [33] (University of Wisconsin-Madison), on several",
  "                        occasions we have had interesting discussions",
  "                        with him both on the PPL and on the more",
  "                        general topics of static analysis and",
  "                        numerical abstractions.",
  "",
  "  Mooly Sagiv           [34] (Tel-Aviv University) stimulated the development",
  "                        of the PPL by providing, in particular,",
  "                        interesting challenges related to precision",
  "                        and scalability.",
  "",
  "  Sriram Sankaranarayanan [35] (NEC Laboratories America, formerly at",
  "                        Stanford University) provided very useful feedback",
  "                        while developing StInG [36] and LPInv [37].",
  "",
  "  Axel Simon            [38] (ENS, formerly at the University of Kent",
  "                        at Canterbury) wrote some PPL 0.9",
  "                        bindings [44] for the Glasgow Haskell Compiler.",
  "",
  "  Fausto Spoto          [39] (University of Verona) did useful beta testing",
  "                        for the Java interface.  He also suggested the",
  "                        addition of the <EM>hash code</EM> operations.",
  "",
  "  Basile Starynkevitch  [40] (CEA LIST/DTSI/SOL). Basile is the author",
  "                        of MELT [41] and suggested several improvements",
  "                        to the PPL.",
  "",
  "",
  "  Pedro Vasconcelos     [42] (formerly at the University of St Andrews, UK)",
  "                        provided useful feedback while developing his",
  "                        size and cost analyzer for Core Hume [43].",
  "                        Pedro also solved a problem of Axel Simon's",
  "                        PPL 0.9 bindings for the GHC and makes them",
  "                        publicly available [44].",
  "",
  "  Ralf Wildenhues       [45] (University of Bonn) helped us with",
  "                        several issues concerning the proper use of",
  "                        the Autotools.",
  "",
  "",
  "Organizations (and People Therein):",
  "-----------------------------------",
  "",
  "We are grateful for the following contributions:",
  "",
  "- AMD Developer Central [46] has donated a bi-quad core machine with",
  "  the latest AMD Opteron 2384 \"Shanghai\" processors and 16GB of RAM.",
  "  This machine now hosts all the PPL data and services.  Many thanks",
  "  to Christophe Harle and Sebastian Pop.",
  "",
  "- The Computing Center of the University of Parma [47] allowed us to",
  "  test the portability of the library on a variety of platforms.",
  "  Fausto Pagani was especially helpful in this respect.",
  "",
  "- The GCC Compile Farm Project [48] managed by FSF France provided",
  "  access to a number of machines that allowed us to test and improve",
  "  the portability of the library.  Special thanks go to Laurent Guerby",
  "  for his kind assistance.",
  "",
  "- The test cluster provided by Hewlett Packard and  hosted by ESIEE [49]",
  "  allowed us to complete the porting of the PPL to the IA64 and PA-RISC",
  "  architectures.  Many thanks to Thibaut Varene [50] and the PA-RISC",
  "  Linux community [51] for their kind assistance.",
  "",
  "- HiPEAC [52] sponsored the participation of Roberto Bagnara to the",
  "  Graphite Workshop [53].  This was very helpful to discuss the needs",
  "  of Graphite [54] (a framework for high-level loop optimizations on",
  "  the polyhedral model) and, more generally, of GCC [55] in terms of",
  "  numerical abstractions and how the PPL can help.  Special thanks go",
  "  to Albert Cohen [57] for this sponsorship.",
  "",
  "- INRIA [56] is supporting Abramo Bagnara from January 1st to May 31st,",
  "  2009, to work on the PPL and its development infrastructure.",
  "  Many thanks go, in particular, to Albert Cohen [57].",
  "",
  "",
  "Some of our research work has been partly supported by the following",
  "projects and organizations:",
  "",
  "- University of Parma's FIL scientific research project (ex 60%)",
  "  ``Pure and Applied Mathematics'';",
  "",
  "- MURST project ``Automatic Program Certification by Abstract",
  "  Interpretation'' [58];",
  "",
  "- MURST project ``Abstract Interpretation, Type Systems and Control-Flow",
  "  Analysis'';",
  "",
  "- MURST project ``Automatic Aggregate- and Number-Reasoning for Computing:",
  "  from Decision Algorithms to Constraint Programming with Multisets, Sets,",
  "  and Maps'' [59];",
  "",
  "- MURST project ``Constraint Based Verification of Reactive Systems'' [60];",
  "",
  "- MURST project ``AIDA - Abstract Interpretation: Design and",
  "  Applications'' [61];",
  "",
  "- PRIN project ``AIDA 2007 - Abstract Interpretation: Design and",
  "  Applications'' [62];",
  "",
  "- Royal Society Joint project 2004/R1-EU (UK-Italy)",
  "  ``Automatic Detection of Unstable Numerical Computations'';",
  "",
  "- EPSRC (UK) project EP/C520726/1",
  "  ``Numerical Domains for Software Analysis'' [63];",
  "",
  "- Royal Society International Outgoing Short Visit 2007/R4",
  "  ``Finding and Verifying the Absence of Bugs in Imperative Programs'' [64];",
  "",
  "- EPSRC (UK) project EP/G025177/1",
  "  ``Geometric Abstractions for Scalable Program Analyzers'' [64].",
  "",
  "--------",
  "",
  " [1] http://www.cs.unipr.it/~bagnara/",
  " [2] http://www.comp.leeds.ac.uk/hill/",
  " [3] http://www.cs.unipr.it/~zaffanella/",
  " [*] http://www.prism.uvsq.fr/~fgalea/",
  " [4] http://www.lsi.upc.edu/~erodri/",
  " [5] http://www.math.unipr.it/~zaccagni/",
  " [6] http://www.comp.leeds.ac.uk/katyd/",
  " [7] http://www.mundell.ukfsn.org/",
  " [8] http://www.irisa.fr/lande/fbesson/fbesson.html",
  " [9] http://www.cs.ucsb.edu/~bultan/",
  "[10] http://www.clip.dia.fi.upm.es/~boris/",
  "[11] http://clip.dia.fi.upm.es/~jfran/",
  "[12] http://clip.dia.fi.upm.es/",
  "[13] http://clip.dia.fi.upm.es/Software/Ciao/",
  "[14] http://www.dimi.uniud.it/~comini/",
  "[15] http://www-verimag.imag.fr/~frehse/",
  "[16] http://www-verimag.imag.fr/~frehse/phaver_web/",
  "[17] http://www.cs.wisc.edu/~gopan/",
  "[18] http://martinwguy.co.uk/",
  "[19] http://www.haible.de/bruno/",
  "[20] http://www.irisa.fr/prive/Bertrand.Jeannet/",
  "[21] http://www.irisa.fr/prive/Bertrand.Jeannet/newpolka.html",
  "[22] http://www.cs.unipr.it/ppl/Documentation/chernikova.c",
  "[23] http://www.cs.unipr.it/ppl/Documentation/bibliography#LeVerge92",
  "[24] http://research.microsoft.com/~logozzo/",
  "[25] http://homepages.inf.ed.ac.uk/kwxm/",
  "[26] http://www.math.unipr.it/~medori/",
  "[27] http://www.univ-reunion.fr/~fred/",
  "[28] http://www.cs.unipr.it/cTI/",
  "[29] http://www.cs.unipr.it/China/",
  "[30] http://www.cs.ucsb.edu/~bultan/composite/",
  "[31] http://www-rocq.inria.fr/~pop/",
  "[32] http://www.cloog.org/",
  "[33] http://www.cs.wisc.edu/~reps/",
  "[34] http://www.math.tau.ac.il/~msagiv/",
  "[35] http://www.nec-labs.com/~srirams/",
  "[36] http://theory.stanford.edu/~srirams/Software/sting.html",
  "[37] http://theory.stanford.edu/~srirams/Software/lpinv.html",
  "[38] http://www.di.ens.fr/~simona/",
  "[39] http://profs.sci.univr.it/~spoto/",
  "[40] http://www.starynkevitch.net/Basile/index_en.html",
  "[41] http://gcc.gnu.org/wiki/MiddleEndLispTranslator",
  "[42] http://www.ncc.up.pt/~pbv/",
  "[43] http://www.ncc.up.pt/~pbv/cgi/cost.cgi",
  "[44] http://www.ncc.up.pt/~pbv/research/ppl/ghc.html",
  "[45] http://wissrech.ins.uni-bonn.de/people/wildenhues.html",
  "[46] http://developer.amd.com/",
  "[47] http://www.siti.unipr.it/",
  "[48] http://gcc.gnu.org/wiki/CompileFarm",
  "[49] http://www.esiee.fr/",
  "[50] http://www.parisc-linux.org/~varenet/",
  "[51] http://www.parisc-linux.org/",
  "[52] http://www.hipeac.net/",
  "[53] http://gcc.gnu.org/wiki/Graphite_Workshop_Nov08",
  "[54] http://gcc.gnu.org/wiki/Graphite",
  "[55] http://gcc.gnu.org/",
  "[56] http://www.inria.fr/",
  "[57] http://www-rocq.inria.fr/~acohen/",
  "[58] http://theory.sci.univr.it/p40/",
  "[59] http://www.cs.unipr.it/Projects/COFIN01",
  "[60] http://www.disi.unige.it/person/DelzannoG/cover/",
  "[61] http://www.cs.unipr.it/Projects/AIDA/",
  "[62] http://www.cs.unipr.it/Projects/AIDA2007/",
  "[63] http://www.comp.leeds.ac.uk/hill/chiara/WWW/linda.html",
  "[64] http://www.comp.leeds.ac.uk/hill/chiara/WWW/projects.html",
  0};
