C Programming on the IBM PC (C Programmers Reference Guide Series)

2017-07-07 02:10:07

tgamma

#include <math.h>float tgammaf(float arg);double tgamma(double arg); long double tgammal(long double arg);

tgamma( ), tgammaf( ), and tgammal( ) were added by C99.

The tgamma( ) family of functions returns the gamma function of arg.

A related function is lgamma( ).