<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Feb 12, 2013, at 11:42 AM, "Fred J. Tydeman" <<a href="mailto:tydeman@tybor.com">tydeman@tybor.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">On Tue, 12 Feb 2013 10:42:41 -0800 Jim Thomas wrote:<br><blockquote type="cite"><br>interchange types (which include interchange floating types)<br><br>Part 3 adds: interchange types, interchange floating types, <br>and extended floating types. I'm trying to use these <br>designations consistently in the draft, and believe the <br>wording about _Float16 is consistent.<br></blockquote><br>I am confused about interchange types.<br>I thought there was just:<br> interchange floating types, <br> extended floating types<br><br></blockquote><div><br></div>In IEC 60559 terminology, there are interchange formats, which may or may not be arithmetic, and extended formats, which are arithmetic. The corresponding C types are , per the current Part 3 draft:</div><div><br></div><div><font face="Monaco">IEC 60559 format<span class="Apple-tab-span" style="white-space:pre"> </span><span class="Apple-tab-span" style="white-space: pre; "> </span>C type</font></div><div><font face="Monaco">-----------------------<span class="Apple-tab-span" style="white-space:pre"> </span>--------------------------</font></div><div><font face="Monaco">interchange<span class="Apple-tab-span" style="white-space:pre"> </span>interchange</font></div><div><font face="Monaco">arithmetic interchange<span class="Apple-tab-span" style="white-space:pre"> </span>interchange floating</font></div><div><font face="Monaco">extended</font><span class="Apple-tab-span" style="font-family: Monaco; white-space: pre; "> </span><span style="font-family: Monaco; ">extended floating</span></div><div><br></div><div>The interchange floating and extended floating types are included in the real floating types which makes them arithmetic types.</div><div><br></div><div>Is this answering your question?</div><div><br></div><div>-Jim<span class="Apple-tab-span" style="font-family: Monaco; white-space: pre; "> </span></div><div><br><blockquote type="cite"><br>---<br>Fred J. Tydeman Tydeman Consulting<br><a href="mailto:tydeman@tybor.com">tydeman@tybor.com</a> Testing, numerics, programming<br>+1 (775) 287-5904 Vice-chair of PL22.11 (ANSI "C")<br>Sample C99+FPCE tests: <a href="http://www.tybor.com">http://www.tybor.com</a><br>Savers sleep well, investors eat well, spenders work forever.<br><br>_______________________________________________<br>Cfp-interest mailing list<br><a href="mailto:Cfp-interest@oakapple.net">Cfp-interest@oakapple.net</a><br>http://mailman.oakapple.net/mailman/listinfo/cfp-interest<br></blockquote></div><br></body></html>