logGamma

Natural logarithm of gamma function.

Returns the base e (2.718...) logarithm of the absolute value of the gamma function of the argument.

For reals, logGamma is equivalent to log(fabs(gamma(x))).

Special Values
xlogGamma(x)
NaNNaN
integer <= 0+&infin;
&plusmn;&infin;+&infin;
real
logGamma
(
real x
)

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