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Function std.mathspecial.logGamma

Natural logarithm of the gamma function, γ(x)

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))).

x, logGamma(x) , integer <= 0, +∞ +∞

Prototype

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

Authors

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

License

Boost License 1.0.

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