1#ifndef STAN_MATH_FWD_FUN_LDEXP_HPP 
    2#define STAN_MATH_FWD_FUN_LDEXP_HPP 
fvar< T > ldexp(const fvar< T > &a, int b)
Returns the product of a (the significand) times 2 to power b (the exponent).
 
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
 
Scalar val_
The value of this variable.
 
Scalar d_
The tangent (derivative) of this variable.
 
This template class represents scalars used in forward-mode automatic differentiation,...