1 #ifndef STAN_MATH_FWD_SCAL_FUN_EXP2_HPP 2 #define STAN_MATH_FWD_SCAL_FUN_EXP2_HPP const double LOG_2
The natural logarithm of 2, .
T d_
The tangent (derivative) of this variable.
fvar< T > log(const fvar< T > &x)
T val_
The value of this variable.
fvar< T > exp2(const fvar< T > &x)
This template class represents scalars used in forward-mode automatic differentiation, which consist of values and directional derivatives of the specified template type.