1 #ifndef STAN_MATH_FWD_SCAL_FUN_LOG_INV_LOGIT_DIFF_HPP 2 #define STAN_MATH_FWD_SCAL_FUN_LOG_INV_LOGIT_DIFF_HPP
T d_
The tangent (derivative) of this variable.
fvar< T > inv_logit(const fvar< T > &x)
Returns the inverse logit function applied to the argument.
fvar< T > expm1(const fvar< T > &x)
T val_
The value of this variable.
fvar< T > log_inv_logit_diff(const fvar< T > &x, const fvar< T > &y)
Returns fvar with the natural logarithm of the difference of the inverse logits of the specified argu...
This template class represents scalars used in forward-mode automatic differentiation, which consist of values and directional derivatives of the specified template type.
fvar< T > inv(const fvar< T > &x)