<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div>Action item:</div><div><blockquote type="cite" class=""><span style="font-size: 10pt; font-family: sans-serif;" class=""> Fred/Jim: Have a statement in the main body of the standard saying opposite signed zeros compare equal.</span><br class=""></blockquote></div><div><br class=""></div><div>IEEE 754 5.11 says "Comparisons shall ignore the sign of zero (so +0 = −0).” This applies to C relational operators and equality operators. We suggest adding<br class=""><br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Positive and negative zeros compare equal.<br class=""><br class="">in 6.5.8, at the end of #4, and in 6.5.9, at the end of #5. (Note that a statement about pointers comparing equal appears in both subclauses.)</div><div><br class=""></div><div>- Jim Thomas and Fred Tydeman<br class=""><br class=""><br class=""></div></body></html>