1 #ifndef STAN_MATH_REV_SCAL_FUN_ROUND_HPP 2 #define STAN_MATH_REV_SCAL_FUN_ROUND_HPP 19 avi_->
adj_ = std::numeric_limits<double>::quiet_NaN();
The variable implementation base class.
fvar< T > round(const fvar< T > &x)
Return the closest integer to the specified argument, with halfway cases rounded away from zero...
Independent (input) and dependent (output) variables for gradients.
const double val_
The value of this variable.
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...
int is_nan(const fvar< T > &x)
Returns 1 if the input's value is NaN and 0 otherwise.
void chain()
Apply the chain rule to this variable based on the variables on which it depends. ...