Help/BinaryOps/hypotApx.html

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  18 <p class="p1"><b>hypotApx<span class="Apple-tab-span">  </span><span class="Apple-tab-span">    </span>hypotenuse approximation</b></p>
  19 <p class="p2"><br></p>
  20 <p class="p3"><b>BinaryOperator</b></p>
  21 <p class="p2"><br></p>
  22 <p class="p3"><b>hypotApx(x, y)</b></p>
  23 <p class="p3"><b>x hypotApx: y</b></p>
  24 <p class="p3"><b>x.hypotApx(y)</b></p>
  25 <p class="p2"><br></p>
  26 <p class="p3">Returns an approximation of the square root of the sum of the squares of x and y.<span class="Apple-converted-space"> </span></p>
  27 <p class="p2"><br></p>
  28 <p class="p3">The formula used is :</p>
  29 <p class="p2"><br></p>
  30 <p class="p3">abs(x) + abs(y) - ((sqrt(2) - 1) * min(abs(x), abs(y)))</p>
  31 <p class="p2"><br></p>
  32 <p class="p3">hypotApx is used to implement Complex method magnitudeApx.</p>
  33 <p class="p3">This should not be used for simulating a doppler shift because it is discontinuous. Use hypot.</p>
  34 <p class="p2"><br></p>
  35 <p class="p3">See also <b>hypot</b>, <b>atan2</b>.</p>
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