<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>-1</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Tau, unlike pi, is not a commonly understood mathematical constant. Even in the realm of mathematics, tau is used to represent multiple concepts and other constants, such as the golden ratio. <br><br>Finally, tau is easily computed from pi and should not result in a loss of precision. This makes it an excellent candidate for addition via an extension for third party code which desires it and understands what "tau" means in their domain</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">-DW<br>Sent with my Thumbs</div><div><br>On Jun 30, 2016, at 6:02 AM, Rimantas Liubertas via swift-evolution <<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr"><br><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div>Lots of win for very small effort.</div></div></blockquote><div><br></div><div>"Lots" like in not having to type "2 *"?</div><div><br></div><div>-1 from me.</div><div><br></div><div><br></div><div>Best regards,</div><div>Rimantas</div></div></div></div>
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