<html aria-label="message body"><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">This regards action item<div><br></div><div><blockquote type="cite"><p class="MsoNormal" style="margin: 0in; font-family: "Times New Roman", serif;"><span style="font-size: 10.5pt; font-family: Calibri, sans-serif;"> Jim: Add agenda item to fix range bounds problem for complex fcns (as done for real functions in N3731).<o:p></o:p></span></p></blockquote></div><div><br></div><div>Following is background for the discussion.</div><div><br></div><div>- Jim Thomas<br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>Begin forwarded message:</div><br class="Apple-interchange-newline"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);"><b>From: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;">RAJAN BHAKTA <rbhakta@us.ibm.com><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);"><b>Subject: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;"><b>[SC22WG14.35726] N3731 Range bounds for math functions</b><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);"><b>Date: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;">March 5, 2026 at 3:19:10 PM PST<br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);"><b>To: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;">Joseph Myers <josmyers@redhat.com>, "sc22wg14@open-std.org" <sc22wg14@open-std.org><br></span></div><br><div>
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Thanks for the review!</div>
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<span style="text-transform: none;">CFP will look at making similar changes for cacos, casin, catan, cacosh, casinh, catanh in a future paper.</span><br>
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Regards,<br>
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<b>CFP</b></div>
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<b>From: </b>owner-sc22wg14@open-std.org <owner-sc22wg14@open-std.org> on behalf of Joseph Myers <josmyers@redhat.com><br>
<b>Date: </b>Monday, October 20, 2025 at 6:58 PM<br>
<b>To: </b>sc22wg14@open-std.org <sc22wg14@open-std.org><br>
<b>Subject: </b>[EXTERNAL] [SC22WG14.34179] N3731 Range bounds for math functions<br>
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<div class="PlainText" style="font-size: 11pt;">A comment on the N3731 proposal to reword specifications about the range<br>
of values for mathematical functions where correct rounding might produce<br>
a result outside a given interval:<br>
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There's similar wording "in the interval" for various <complex.h><br>
functions, where I'd also expect that it should not be required that the<br>
rounded result actually lies inside that interval and so the wording<br>
should probably have similar changes: cacos, casin, catan, cacosh, casinh,<br>
catanh.<br>
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--<br>
Joseph S. Myers<br>
josmyers@redhat.com<br>
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