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<head><title>size2 -- number of binary digits to the left of the point</title>
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<div><h1>size2 -- number of binary digits to the left of the point</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>size2 x</tt></div>
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<li><div class="single">Inputs:<ul><li><span><tt>x</tt>, <span>a <a href="___Number.html">number</a></span></span></li>
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<li><div class="single">Outputs:<ul><li><span>the smallest number <tt>n</tt> such that <tt>2^n</tt> is strictly greater than the absolute value of <tt>x</tt></span></li>
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<div class="single"><h2>Description</h2>
<div>This function is not implemented for rational numbers.<table class="examples"><tr><td><pre>i1 : size2 4
o1 = 3</pre>
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<tr><td><pre>i2 : size2 3
o2 = 2</pre>
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<tr><td><pre>i3 : size2 4.
o3 = 3</pre>
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<tr><td><pre>i4 : size2 3.99999999
o4 = 2</pre>
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<tr><td><pre>i5 : size2 0
o5 = -1073741824</pre>
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<tr><td><pre>i6 : size2 0.
o6 = -1073741824</pre>
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<tr><td><pre>i7 : size2 (1/0.)
o7 = 1073741823</pre>
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<tr><td><pre>i8 : size2 (1/0.-1/0.)
o8 = 1073741823</pre>
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<div class="waystouse"><h2>Ways to use <tt>size2</tt> :</h2>
<ul><li>size2(CC)</li>
<li>size2(RR)</li>
<li>size2(ZZ)</li>
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