1 #ifndef STAN_MATH_REV_SCAL_FUN_RISING_FACTORIAL_HPP 2 #define STAN_MATH_REV_SCAL_FUN_RISING_FACTORIAL_HPP
void chain()
Apply the chain rule to this variable based on the variables on which it depends. ...
The variable implementation base class.
rising_factorial_vd_vari(vari *avi, int b)
Independent (input) and dependent (output) variables for gradients.
const double val_
The value of this variable.
fvar< T > rising_factorial(const fvar< T > &x, int n)
Return autodiff variable with the gradient and result of the rising factorial function applied to the...
vari * vi_
Pointer to the implementation of this variable.
double adj_
The adjoint of this variable, which is the partial derivative of this variable with respect to the ro...
fvar< T > digamma(const fvar< T > &x)
Return the derivative of the log gamma function at the specified argument.