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<head><title>lngamma -- logarithm of the Gamma function</title>
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<div><h1>lngamma -- logarithm of the Gamma function</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>lngamma x</tt></div>
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<li><div class="single">Inputs:<ul><li><span><tt>x</tt></span></li>
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<li><div class="single">Outputs:<ul><li><span>the logarithm of the gamma function of <tt>x</tt> as a real or imaginary number</span></li>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : lngamma 2.1
o1 = .0454377385444852
o1 : RR (of precision 53)</pre>
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<tr><td><pre>i2 : lngamma(-1.1)
o2 = 2.27365115292446
o2 : RR (of precision 53)</pre>
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<tr><td><pre>i3 : lngamma(-2.1)
o3 = 1.53171380819509+3.14159265358979*ii
o3 : CC (of precision 53)</pre>
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<tr><td><pre>i4 : lngamma (-2.000000000000000000000000000000001p120)
o4 = 75.293085156597112659506221744398934+
3.14159265358979323846264338327950288*ii
o4 : CC (of precision 120)</pre>
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<div class="waystouse"><h2>Ways to use <tt>lngamma</tt> :</h2>
<ul><li>lngamma(QQ)</li>
<li>lngamma(RR)</li>
<li>lngamma(ZZ)</li>
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