1 #ifndef STAN_MATH_FWD_CORE_OPERATOR_MULTIPLICATION_HPP 2 #define STAN_MATH_FWD_CORE_OPERATOR_MULTIPLICATION_HPP T d_
The tangent (derivative) of this variable.
fvar< T > operator*(const fvar< T > &x, const fvar< T > &y)
Return the product of the two arguments.
T val_
The value of this variable.
This template class represents scalars used in forward-mode automatic differentiation, which consist of values and directional derivatives of the specified template type.