<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">In Part 1 we have<div>
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<!--StartFragment--><p class="MsoNormal"><span lang="EN-GB">"The library functions, macros, and types
defined in Part 1 of this Technical Specification are defined by their
respective headers if the macro </span><b style="mso-bidi-font-weight:normal"><span lang="EN-GB" style="font-family:"Courier New"">__STDC_WANT_IEC_60559_BFP__</span></b><!--[if supportFields]><b
style='mso-bidi-font-weight:normal'><span lang=EN-GB><span style='mso-element:
field-begin'></span></span></b><span lang=EN-GB> XE "__STDC_WANT_DEC_FP__
macro" </span><![endif]--><!--[if supportFields]><b style='mso-bidi-font-weight:
normal'><span lang=EN-GB><span style='mso-element:field-end'></span></span></b><![endif]--><span lang="EN-GB" style="font-family:"Courier New""><span style="mso-spacerun:yes"> </span></span><span lang="EN-GB">is defined at the
point in the source file where the appropriate header is first included."<o:p></o:p></span></p><p class="MsoNormal">These word are not in a suggested change to C11, but we do show </p><div>#define <b><span lang="EN-GB" style="font-family: 'Courier New'; ">__STDC_WANT_IEC_60559_BFP__</span></b></div><div><br></div><div>in all the Synopses in Part 1, even for the new interfaces for C11 clause 7 intended for all implementations.</div><div><br></div><div>We might have confused ourselves (at least one of us did). This WANT macro does not control IEC 60559 (binary) interfaces, as the name suggests, but rather the extension interfaces defined in Part 1. A better name might be something like __STDC_WANT_nnn_EXT__, where nnn is the ISO/IEC reference number that identifies Part 1 of our TS. Note that this WANT macro has nothing to do with existing interfaces. Note, also, that it has nothing to do with our new semantics, which are controlled by the implementation macro <span lang="EN-GB" style="font-weight: bold; font-family: 'Courier New'; ">__STDC_IEC_60559_BFP__</span><span lang="EN-GB">.</span></div><div><br></div><div>-Jim</div>
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