CAN CSA-ISO IEC TR 24732-2012 Information technology Programming languages their environments and system software interfaces Extension for the programming language C to support d.pdf

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1、Information technology Programmin g languages, their environments and system software interfaces Extension for the programming language C to support decimal floating-point arithmeticCAN/CSA-ISO/IEC TR 24732:12(ISO/IEC TR 24732:2009, IDT)National Standard of CanadaNOT FOR RESALE.PUBLICATION NON DESTI

2、NE LA REVENTE.Legal Notice for StandardsCanadian Standards Association (CSA) standards are developed through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoints and interests to achieve consensu

3、s and develop a standard. Although CSA administers the process and establishes rules to promote fairness in achieving consensus, it does not independently test, evaluate, or verify the content of standards.Disclaimer and exclusion of liabilityThis document is provided without any representations, wa

4、rranties, or conditions of any kind, express or implied, including, without limitation, implied warranties or conditions concerning this documents fitness for a particular purpose or use, its merchantability, or its non-infringement of any third partys intellectual property rights. CSA does not warr

5、ant the accuracy, completeness, or currency of any of the information published in this document. CSA makes no representations or warranties regarding this documents compliance with any applicable statute, rule, or regulation. IN NO EVENT SHALL CSA, ITS VOLUNTEERS, MEMBERS, SUBSIDIARIES, OR AFFILIAT

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9、have the appropriate degree of experience to use and apply its contents, and CSA accepts no responsibility whatsoever arising in any way from any and all use of or reliance on the information contained in this document. CSA is a private not-for-profit company that publishes voluntary standards and r

10、elated documents. CSA h as no power, nor does it undertake, to enforce compliance with the contents of the standards or other documents it publishes. Intellectual property rights and ownershipAs between CSA and the users of this doc ument (whether it be i n printed or electronic form), CSA is the o

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13、tion, copying, or disclosure. To the extent permitted by licence or by law, CSA reserves all intellectual property rights in this document.Patent rightsAttention is drawn to the possibility that some of the elements of this standard may be the subject of patent rights. CSA shall not be held responsi

14、ble for identifying any or all such patent rights. Users of this standard are expressly advised that determination of the validity of any such patent rights is entirely their own responsibility.Authorized use of this documentThis document is being provided by CSA for informational and non-commercial

15、 use only. The user of this document is authorized to do only the following:If this document is in electronic form:.load this document onto a computer for the sole purpose of reviewing it;.search and browse this document; and.print this document if it is in PDF format. Limited copies of this doc ume

16、nt in print or paper form may be distributed only to persons who are authorized by CSA to h ave such copies, and only if this Legal Notice appears on each such copy.In addition, users may not and may not permit others to.alter this document in any way or remove this Legal Notice from the attached st

17、andard;.sell this document without authorization from CSA; or.make an electronic copy of this document.If you do not agree with any of the terms and conditions contained in this Legal Notice, you may not load or use this document or make any copies of the co ntents hereof, and if you do make such co

18、pies, you are required to destroy them immediately. Use of this document constitutes your acceptance of the terms and conditions of this Legal Notice.CSA Standards Update ServiceCAN/CSA-ISO/IEC TR 24732:12March 2012Title: Information technology Programming lan guages, their environments and system s

19、oftware interfaces Extensi on for the programming language C to support decimal floating-point arithmeticPagination: 37 pages (CSA/1CSA/5, ivi, and 26 text)To register for e-mail notification about any updates to this publicationgo to shop.csa.caclick on E-mail Services under MY ACCOUNTclick on CSA

20、Standards Update ServiceThe List ID that you will need to register for updates to this publication is 2421521.If you require assistance, please e-mail techsupportcsa.ca or call 416-747-2233.Visit CSAs policy on privacy at csagroup.org/legal to find out how we protect your personal information.The Ca

21、nadian Standards Association (CSA), under whose auspices this National Standard has been produced, was chartered in 1919 and accredited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for-profit, nonstatutory, voluntary membership association engaged in stand

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24、e and skills to CSA Committee work and supporting the Associations objectives through sustaining memberships. The more than 7000 committee volunteers and the 2000 sustaining memberships together form CSAs total membership from which its Directors are chosen. Sustaining memberships represent a major

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27、 its corporate mission: CSA is an independent service organization whose mission is to provide an open and effective forum for activities facilitating the exchange of goods and services through the use of standards, certification and related services to meet national and international needs.For furt

28、her information on CSA services, write toCanadian Standards Association5060 Spectrum Way, Suite 100Mississauga, Ontario, L4W 5N6CanadaThe Standards Council of Canada (SCC) is thecoordinating body of the National StandardsSystem, a coalition of independent, autonomousorganizations working towards the

29、 furtherdevelopment and improvement of voluntarystandardization in the national interest.The principal objects of the SCC are to fosterand promote voluntary standardization as a meansof advancing the national economy, benefiting thehealth, safety, and welfare of the public, assistingand protecting t

30、he consumer, facilitating domesticand international trade, and furthering internationalcooperation in the field of standards.A National Standard of Canada (NSC) is a standardprepared or reviewed by an accredited Standards Development Organization (SDO) and approved by the SCC according to the requir

31、ements of CAN-P-2. Approval does not refer to the technical content of the standard; this remains the continuing responsibility of the SDO. An NSC reflects a consensus of a number of capable individuals whose collective interests provide, to the greatest practicable extent, a balance of representati

32、on of general interests, producers, regulators, users (including consumers), and others with relevant interests, as may be appropriate to the subject in hand. It normally is a standard which is capable of making a significant and timely contribution to the national interest.Those who have a need to

33、apply standards areencouraged to use NSCs. These standards are subjectto periodic review. Users of NSCs are cautionedto obtain the latest edition from the SDO which publishes the standard.The responsibility for approving standards as National Standards of Canada rests with theStandards Council of Ca

34、nada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaAlthough the intended primary application of this Standard is stated in its Scope, it is importantto note that it remains the responsibility of the users to judge its suitability for their particular purpose.Registered trade-mark of Canad

35、ian Standards AssociationCette norme est offerte en anglais seulement pour le moment. La CSA publiera la version enfranais ds quelle sera produite par lorganisme rdacteur.Reviewed byNational Standard of CanadaPublished in March 2012 by Canadian Standards AssociationA not-for-profit private sector or

36、ganization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044Visit our Online Store at shop.csa.caApproved byStandards Council of CanadaCAN/CSA-ISO/IEC TR 24732:12Information technology Programming languages, their environments and system software interfaces

37、 Extension for the programming language C to support decimal floating-point arithmeticPrepared by InternationalOrganizationforStandardization/ International Electrotechnical CommissionCAN/CSA-ISO/IEC TR 24732:12Information technology Programming languages, theirenvironments and system software inter

38、faces Extension for theprogramming language C to support decimal floating-point arithmeticCSA/4 Canadian Standards Association March 2012CAN/CSA-ISO/IEC TR 24732:12Information technology Programming languages, their environments and system software interfaces Extension for the programming language C

39、 to support decimal floating-point arithmeticCSA PrefaceStandards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC

40、) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada particip

41、ates in the International Telegraph and Telephone Consultative Committee (ITU-T).At the time of publication, ISO/IEC TR 24732:2009 is available from ISO and IEC in English only. CSA will publish the French version when it becomes available from ISO and IEC.This International Standard was reviewed by

42、 the CSA TCIT under the jurisdiction of the Strategic Steering Committee on Information Technology and deemed acceptable for use in Canada. From time to time, ISO/IEC may publish addenda, corrigenda, etc. The CSA TCIT will review these documents for approval and publication. For a listing, refer to

43、the CSA Information Products catalogue or CSA Info Update or contact a CSA Sales representative. This Standard has been formally approved, without modification, by the Technical Committee and has been approved as a National Standard of Canada by the Standards Council of Canada.March 2012 Canadian St

44、andards Association 2012All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of thepublisher. ISO/IEC material is reprinted with permission. Where the words “this Technical Report” appear in the text, they should be interpreted as “th

45、is National Standard of Canada”.Inquiries regarding this National Standard of Canada should be addressed toCanadian Standards Association5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4000http:/csa.caCAN/CSA-ISO/IEC TR 24732:12Information technology Programm

46、ing languages, theirenvironments and system software interfaces Extension for theprogramming language C to support decimal floating-point arithmeticMarch 2012 Canadian Standards Association CSA/5To purchase CSA Standards and related publications, visit CSAs Online Store at shop.csa.ca or call toll-f

47、ree 1-800-463-6727 or 416-747-4044.CSA Standards are subject to periodic review, and suggestions for their improvement will be referred to the appropriate committee. To submit a proposal for change to CSA Standards, please send the following information to inquiriescsa.ca and include “Proposal for c

48、hange” in the subject line:(a) Standard designation (number);(b) relevant clause, table, and/or figure number;(c) wording of the proposed change; and(d) rationale for the change.Reference numberISO/IEC TR 24732:2009(E)ISO/IEC 2009TECHNICAL REPORT ISO/IECTR24732First edition2009-01-15Information tech

49、nology Programming languages, their environments and system software interfaces Extension for the programming language C to support decimal floating-point arithmeticTechnologies de linformation Langages de programmation, leur environnement et interfaces des logiciels de systmes Extension pour que le langage de programmation C supporte larithmtique du point flottant dcimal ISO/IEC TR 24732:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be p

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