Stan Math Library  2.20.0
reverse mode automatic differentiation
value_of.hpp
Go to the documentation of this file.
1 #ifndef STAN_MATH_REV_SCAL_FUN_VALUE_OF_HPP
2 #define STAN_MATH_REV_SCAL_FUN_VALUE_OF_HPP
3 
4 #include <stan/math/rev/meta.hpp>
5 #include <stan/math/rev/core.hpp>
6 
7 namespace stan {
8 namespace math {
9 
23 inline double value_of(const var& v) { return v.vi_->val_; }
24 
25 } // namespace math
26 } // namespace stan
27 #endif
T value_of(const fvar< T > &v)
Return the value of the specified variable.
Definition: value_of.hpp:17
Independent (input) and dependent (output) variables for gradients.
Definition: var.hpp:33
const double val_
The value of this variable.
Definition: vari.hpp:38
vari * vi_
Pointer to the implementation of this variable.
Definition: var.hpp:45

     [ Stan Home Page ] © 2011–2018, Stan Development Team.