Help/BinaryOps/difsqr.html

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  20 <p class="p1"><b>difsqr<span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>difference of squares</b></p>
  21 <p class="p2"><br></p>
  22 <p class="p3"><b>BinaryOperator</b></p>
  23 <p class="p2"><br></p>
  24 <p class="p3"><b>difsqr(a, b)</b></p>
  25 <p class="p3"><b>a difsqr: b</b></p>
  26 <p class="p3"><b>a.difsqr(b)</b></p>
  27 <p class="p2"><br></p>
  28 <p class="p3">Return the value of<span class="Apple-converted-space">  </span>(a*a) - (b*b). This is more efficient than using</p>
  29 <p class="p3">separate unit generators for each operation.</p>
  30 <p class="p2"><br></p>
  31 <p class="p4">{ (<span class="s1">FSinOsc</span>.ar(800) difsqr: <span class="s1">FSinOsc</span>.ar(<span class="s1">XLine</span>.kr(200,500,5))) * 0.125 }.play;</p>
  32 <p class="p5"><br></p>
  33 <p class="p3">same as :</p>
  34 <p class="p2"><br></p>
  35 <p class="p4">(</p>
  36 <p class="p4">{</p>
  37 <p class="p4"><span class="Apple-tab-span">     </span><span class="s1">var</span> a, b;</p>
  38 <p class="p4"><span class="Apple-tab-span">     </span>a = <span class="s1">FSinOsc</span>.ar(800);</p>
  39 <p class="p4"><span class="Apple-tab-span">     </span>b = <span class="s1">FSinOsc</span>.ar(<span class="s1">XLine</span>.kr(200,500,5));</p>
  40 <p class="p4"><span class="Apple-tab-span">     </span>((a * a) - (b * b)) * 0.125</p>
  41 <p class="p4">}.play)</p>
  42 <p class="p5"><br></p>
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