1 #ifndef STAN_MATH_FWD_SCAL_FUN_LGAMMA_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_LGAMMA_HPP
6 #include <boost/math/special_functions/digamma.hpp>
fvar< T > lgamma(const fvar< T > &x)
var lgamma(const var &a)
The log gamma function for variables (C99).
fvar< T > digamma(const fvar< T > &x)