TECHNICAL ISO/IEC TS SPECIFICATION 18661-5 Firstedition 2016-08-15 Information Technology - Programming languages, their environments, and system software interfaces - Floating-point extensions for C- Part 5: Supplementary attributes Technologies de I'information-Langages de programmation, leurs environnements et interfaces dulogiciel systeme-Extensions a virgule flottante pour C- Partie 5:Attributs supplementaires Referencenumber ISO/IECTS18661-5:2016(E) TE( @IS0/IEC2016 IS0/IECTS18661-5:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC 2016,Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch.de Blandonnet 8.CP401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122749 0947 [email protected] www.iso.org ii @IS0/IEC 2016-All rights reserved IS0/IEC TS 18661-5:2016(E) Foreword, Introduction 1 Scope 2 Conformance. 3 Normative references. 4 Terms and definitions. 5 C standard conformance 5.1 Freestanding implementations.. 5.2 Predefined macros..... Standard pragmas Evaluation formats . 3 8 Optimizationcontrols. 6 6 Reproducibility 11 1o Alternate exception handling. Bibliography... 24 IS0/IEC2016-All rightsreserved iii