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log_gamma (Rev #1, changes)

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Description

log_gamma(x) computes the natural logarithm of the absolute value of the Gamma (\\Gamma) function.

Standard

Fortran 2008 and later

Class

Elemental function

Syntax

x = log_gamma(x)

Arguments

• x - Shall be of type real and neither zero nor a negative integer.

Return value

The return value is of type real of the same kind as x.

Example

program test_log_gamma
 real :: x = 1.0
 x = lgamma(x) ! returns 0.0
end program test_log_gamma

See also

Gamma function: gamma

Revision from April 26, 2009 19:12:38 by Jason Blevins

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