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Function std.mathspecial.logGamma

Natural logarithm of the gamma function, Γ(x)

real logGamma (
  real x
) pure nothrow @nogc @safe;

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
x logGamma(x)
integer <= 0 +∞
±∞ +∞


Stephen L. Moshier (original C code). Conversion to D by Don Clugston


Boost License 1.0.