<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV><BR class="khtml-block-placeholder"></DIV>Okay, i just figured out that Math.trunc(x) just truncates x to the nearest integer - it'd be nice to have something to round to arbitrary values, though. Is there, for instance, a nicer way to round the output of a low-frequency saw wave than this? This just seems laborious:<DIV><BR class="khtml-block-placeholder"></DIV><DIV>----</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">SinOsc sin => </SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">dac</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">;</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">SawOsc saw;</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 13px/normal Monaco; min-height: 17px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"> </SPAN></FONT><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">1</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"> => saw1.freq;</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"> </SPAN></FONT><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">0</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"> => saw1.phase;</SPAN></FONT></DIV><P style="margin: 0.0px 0.0px 0.0px 0.0px; min-height: 14.0px"><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"> </SPAN></FONT><BR class="khtml-block-placeholder"></P><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">saw1 => </SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">blackhole</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">;</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 13px/normal Monaco; min-height: 17px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">while</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"> (</SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">true</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">)</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">{</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">400</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">.</SPAN></FONT><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">00</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"> * (Math.trunc(((saw1.last() * </SPAN></FONT><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">2000</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">.</SPAN></FONT><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">0</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">) + </SPAN></FONT><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">2000</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">.</SPAN></FONT><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">0</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">) / </SPAN></FONT><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">400</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">.</SPAN></FONT><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">0</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">)) => sin.freq;</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN><FONT class="Apple-style-span" color="#609010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">// saw1 goes from 0 to 4000 at a speed of 1 Hz</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN><FONT class="Apple-style-span" color="#609010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">// and is rounded to the nearest 400</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN><FONT class="Apple-style-span" color="#D48010" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">1</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">::</SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">samp</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"> => </SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">now</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">;</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">};</SPAN></FONT></DIV><P style="margin: 0.0px 0.0px 0.0px 0.0px; min-height: 14.0px"><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN><BR class="khtml-block-placeholder"></P><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 13px/normal Monaco; min-height: 17px; ">---<BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">thanks,</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;">jascha</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 13px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV><BR><DIV><DIV>On Oct 7, 2007, at 10:44 PM, Jascha Narveson wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">This should be an easy function to use, but i can't for the life of <SPAN class="Apple-converted-space"> </SPAN></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">me figure the syntax out - i've tried</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">5 => Math.trunc(2);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">and</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Math.trunc(5,2);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">and</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">5.trunc(2);<SPAN class="Apple-converted-space"> </SPAN>// this would be the nicest syntax</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">and some other things, to no avail - the documentation isn't big on <SPAN class="Apple-converted-space"> </SPAN></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">examples for stuff like this.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">thanks,</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">jascha</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">chuck-users mailing list</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="mailto:chuck-users@lists.cs.princeton.edu">chuck-users@lists.cs.princeton.edu</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="https://lists.cs.princeton.edu/mailman/listinfo/chuck-users">https://lists.cs.princeton.edu/mailman/listinfo/chuck-users</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV> </BLOCKQUOTE></DIV><BR></DIV></BODY></HTML>