LGAMMA
NAME SYNOPSIS DESCRIPTION ERRORS CONFORMING TO SEE ALSO
lgamma - log gamma function
#include x);
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.
ERANGE
Invalid argument - negative integer value of x.
SVID 3, BSD 4.3
infnan(3)?
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