NAME    [Toc]    [Back]

       lgamma - log gamma function

SYNOPSIS    [Toc]    [Back]

       #include <math.h>

       double lgamma(double x);

DESCRIPTION    [Toc]    [Back]

       The  lgamma()  function	returns  the  log of the absolute value of the
       Gamma function.	The sign of the Gamma  function  is  returned  in  the
       external integer signgam.

       For  negative  integer values of x, lgamma() returns HUGE_VAL and errno
       is set to ERANGE.

ERRORS    [Toc]    [Back]

       ERANGE Invalid argument - negative integer value of x.

CONFORMING TO    [Toc]    [Back]

       SVID 3, BSD 4.3

SEE ALSO    [Toc]    [Back]

       infnan(3)



BSD				  1993-06-25			     LGAMMA(3)