NPI Calculatrice en Notation Polonaise Inverse.
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1. 1 3 2 licence npi est fourni sous licence GPL sans aucune garantie de fonctionnement De m me les corrections de bugs et mises jour ne sont pas garanties R f rez vous au fichier LICENCE qui doit tre inclus dans cette distribu tion pour plus de d tails sur les termes de la licence 1 3 3 Distribution http freshmeat net projects npi 1 http www gnu org copyleft gpl html Chapitre 2 Notes techniques 2 1 Algorithme En notation polonaise inverse chaque op rateur suit ses op randes une expression infix e comme 1 2 4 5 se note 12 465 Il n y a plus besoin de parenth ses Cette notation ne pr sente pas d am biguit du moment que l on connait le nombre d op randes que n cessite chaque op rateur L impl mentation est simple On place chaque operande sur une pile Lors qu un op rateur arrive on d pile le nombre d op randes appropri on leur applique l op rateur et on empile le r sultat Ainsi dans l exemple ci dessus on empile 1 et 2 puis on les remplace par leur diff rence 1 Ensuite on empile 4 et 5 puis on les remplace par leur somme 9 Enfin on remplace 1 et 9 par leur produit 9 sur la pile Lorsqu on arrive la fin de la ligne d entr e on extrait la valeur qui se trouve au sommet de la pile et on l affiche La structure du programme est donc une boucle qui r alise l op ration ap propri e chacun des op rateurs et op randes2. au fur et mesure qu ils apparaissent tant que l operateur ou l operande suivant n est pas l indicateur de fin de fichier si c est un nombre l empiler sinon si c est un operateur depiler les operandes effectuer l operation empiler le resultat sinon si c est un caractere de fin de ligne depiler la valeur du sommet et l afficher sinon erreur 2 2 Impl mentation Quelques d tails sur l impl mentation La structure de donn e Stack Pile a t programm orient objet et de fa on abstraite Depuis la version 0 1 4 npi utilise intensivement la lib GNU Readline 4 2a aussi sur ces syst mes ne poss dant pas cette lib de d veloppement utiliser la version 0 1 3 L utilisation de la libreadline a permis la compl tion des noms de com mandes ainsi que de simplifier l impl mentation des fonctions utilisation de pointeurs de fonctions Chapitre 3 GNU Free Documentation License Version 1 2 November 2002 Copyright 92000 2001 2002 Free Software Foundation Inc 59 Temple Place Suite 330 Boston MA 02111 1307 USA Everyone is permitted to copy and distribute verbatim copies of this license document but changing it is not allowed Preamble The purpose of this License is to make a manual textbook or other functio nal and useful document free in the sense of freedom to assure everyone the effective freedom to copy and redistribute it with or without modifying
3. Free Software Foundation may publish new revised versions of the GNU Free Documentation License from time to time Such new versions will be similar in spirit to the present version but may differ in detail to address new problems or concerns See http www gnu org copyleft Each version of the License is given a distinguishing version number If the Document specifies that a particular numbered version of this License or any later version applies to it you have the option of following the terms and conditions either of that specified version or of any later version that has been published not as a draft by the Free Software Foundation If the Document does not specify a version number of this License you may choose any version ever published not as a draft by the Free Software Foundation ADDENDUM How to use this License for your documents To use this License in a document you have written include a copy of the License in the document and put the following copyright and license notices just after the title page Copyright YEAR YOUR NAME Permission is granted to copy distribute and or modify this document under the terms of the GNU Free Documentation License Version 1 2 or any later version published by the Free Software Foundation with no Inva riant Sections no Front Cover Texts and no Back Cover Texts A copy of the license is included in the section entitled GNU Free Documentation License If you have Invariant
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5. Version 5 COMBINING DOCUMENTS You may combine the Document with other documents released under this License under the terms defined in section 4 above for modified versions provided that you include in the combination all of the Invariant Sections of all of the original documents unmodified and list them all as Invariant Sections of your combined work in its license notice and that you preserve all their Warranty Disclaimers The combined work need only contain one copy of this License and multiple identical Invariant Sections may be replaced with a single copy If there are multiple Invariant Sections with the same name but different contents make the title of each such section unique by adding at the end of it in parentheses the name of the original author or publisher of that section if known or else a unique number Make the same adjustment to the section titles in the list of Invariant Sections in the license notice of the combined work In the combination you must combine any sections Entitled History in the various original documents forming one section Entitled History likewise combine any sections Entitled Acknowledgements and any sections Entit led Dedications You must delete all sections Entitled Endorsements 6 COLLECTIONS OF DOCUMENTS You may make a collection consisting of the Document and other documents released under this License and replace the individual copies of this License in the various do
6. a way requiring permission under copyright law A Modified Version of the Document means any work containing the Document or a portion of it either copied verbatim or with modifications and or translated into another language A Secondary Section is a named appendix or a front matter section of the Document that deals exclusively with the relationship of the publishers or authors of the Document to the Document s overall subject or to related matters and contains nothing that could fall directly within that overall subject Thus if the Document is in part a textbook of mathematics a Secondary Section may not explain any mathematics The relationship could be a matter of historical connection with the subject or with related matters or of legal commercial philosophical ethical or political position regarding them The Invariant Sections are certain Secondary Sections whose titles are designated as being those of Invariant Sections in the notice that says that the Document is released under this License If a section does not fit the above definition of Secondary then it is not allowed to be designated as In variant The Document may contain zero Invariant Sections If the Document does not identify any Invariant Sections then there are none The Cover Texts are certain short passages of text that are listed as Front Cover Texts or Back Cover Texts in the notice that says that the Document is released under this License A F
7. it either commercially or noncommercially Secondarily this License pre serves for the author and publisher a way to get credit for their work while not being considered responsible for modifications made by others This License is a kind of copyleft which means that derivative works of the document must themselves be free in the same sense It complements the GNU General Public License which is a copyleft license designed for free software We have designed this License in order to use it for manuals for free software because free software needs free documentation a free program should come with manuals providing the same freedoms that the software does But this License is not limited to software manuals it can be used for any textual work regardless of subject matter or whether it is published as a printed book We recommend this License principally for works whose purpose is instruction or reference 1 APPLICABILITY AND DEFINITIONS This License applies to any manual or other work in any medium that contains a notice placed by the copyright holder saying it can be distributed under the terms of this License Such a notice grants a world wide royalty free license unlimited in duration to use that work under the conditions stated herein The Document below refers to any such manual or work Any member of the public is a licensee and is addressed as you You accept the license if you copy modify or distribute the work in
8. l g et rapide fonctionnant sur la plupart des plates formes Unix Fonctionnalit s Portabilit robustesse POSIX Simplicit de programmation par le syst me de pointeur de fonctions Fonctions de manipulations de la pile Impl mentations des fonctions math matiques math h Ajout de fonctions de probabilit s Compl tion des commandes 1 2 Installation 1 2 1 Configuration requise A l heure actuelle seule la version Unix POSIX est maintenue Test avec succ s sous Debian Woody 3 0r1 1686 Kernel 2 4 23 Mandrake 9 1 1686 Kernel 2 4 21 Cygwin sur Win2000 Sunfire Sparc 64 Sun Solaris 2 8 La lib GNU Readline 4 2a normalement inclus dans la glibc est requise depuis la version 0 1 4 Pour compiler partir des sources autoconf et autoheader 2 13 automake 1 4 make 3 79 1 gcc 2 95 ou 3 0 1 2 2 Installation partir des sources tarball D compresser les sources avec gt gzip dc npi x x x tar gz tar xvf Puis gt cd npi x x x gt configure amp amp make gt su gt make install Pour lancer npi il suffit alors de taper gt npi Puis pour avoir le descriptif des commandes aide gt help Ou pour avoir la liste des commandes sur 6 colonnes gt 1 3 Mentions l gales 1 3 1 Auteur Mika l NAVARRO lt klnavarro voila fr klnavarro free fr gt Auteur concepteur de npi
9. NPI Calculatrice en Notation Polonaise Inverse MiKa l NAVARRO 1 avril 2014 Les notes qui suivent sont distribu es suivant les termes de la Licence de Documentation Libre GNU GNU Free Documentation License version 1 2 de la Free Software Foundation Cela signifie que vous pouvez copier modifier et redistribuer ces notes tout fait librement pour autant que vous respectiez un certain nombre de r gles qui sont pr cis es dans cette licence Pour l essentiel sachez que vous ne pouvez pas vous approprier ces notes pour les redistribuer ensuite modifi es ou non en d finissant vous m me d autres droits de copie Les notes que vous redistribuez modifi es ou non doivent obligatoirement inclure int gralement le texte de la licence cit e ci dessus le pr sent avis ainsi que la section Mentions l gales Vous tes autoris de mander une contribution financi re ceux qui vous redistribuez ces notes mais la somme demand e ne peut concerner que les frais de reproduction Vous ne pouvez pas redistribuer ces notes en exigeant pour vous m me des droits d auteur ni limiter les droits de reproduction des copies que vous dis tribuez Ces notes sont publi es dans l espoir qu elles seront utiles mais sans aucune garantie 1 http www gnu org copyleft fdl html Table des mati res 1 Pr sentation La Pourquoi sic 8 ma RE Ba ur aigle Ha RM AER RS 122 Installation waa di el Pa ee io 1 2 1 C
10. Sections Front Cover Texts and Back Cover Texts replace the with Texts line with this with the Invariant Sections being LIST THEIR TITLES with the Front Cover Texts being LIST and with the Back Cover Texts being LIST If you have Invariant Sections without Cover Texts or some other combina tion of the three merge those two alternatives to suit the situation If your document contains nontrivial examples of program code we recom mend releasing these examples in parallel under your choice of free software license such as the GNU General Public License to permit their use in free software 15 Bibliographie 1 HP 48G Manuel d utilisation Edition 2 2 J M Ferrard MATHEZ la HP 48G GX D31 Diffusion 16
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15. onfiguration requise 1 2 2 Installation partir des sources tarball 1 3 Mentions l gales LIL GAM OUT Pr Ss 28 oR Ages dope fe ser gee ne do than 1 3 2 licences areca eee on das a non Se oe 1 3 3 Distribution soes dus ek dus han ee he pe ue 2 Notes techniques 2A ATOME e o AU MMA UE AS Be wee O 2 2 Tmpl mentation saai e ee deep ef oh ea ae eo wD ee 3 GNU Free Documentation License Bibliographie Chapitre 1 Pr sentation 1 1 Pourquoi Ce petit logiciel est une calculatrice pour le shell Unix Pourquoi me direz vous alors impl menter une calculatrice pour le shell Unix alors qu il en existe tant d autres bc Et bien parcequ elle est en Notation Polonaise Inverse comme la HP48 Dans les ann es 20 Jan Lukasiewicz a d velopp un syst me de logique formelle permettant aux expressions math matiques d tre indiqu es sans parenth ses en pla ant les op rateurs avant notation de pr fixe ou apr s notation de suffixe les op randes La notation de pr fixe est galement connue en tant que notation polonaise en l honneur de Lukasiewicz Et la notation de suffixe est nomm notation polonaise invers e RPN Reverse Polish Notation galement en l honneur de Lukasiewicz Poss dant une HP48GX j ai voulu avoir l quivalent pour le shell Unix Certe le projet x48 existait d ja mais mon id e tait d avoir un outil
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