1#ifndef STAN_MATH_REV_FUN_LOG_RISING_FACTORIAL_HPP
2#define STAN_MATH_REV_FUN_LOG_RISING_FACTORIAL_HPP
log_rising_factorial_dv_vari(double a, vari *bvi)
log_rising_factorial_vd_vari(vari *avi, double b)
log_rising_factorial_vv_vari(vari *avi, vari *bvi)
fvar< T > log_rising_factorial(const fvar< T > &x, const fvar< T > &n)
fvar< T > digamma(const fvar< T > &x)
Return the derivative of the log gamma function at the specified argument.
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...