Stan Math Library  2.20.0
reverse mode automatic differentiation
primitive_value.hpp
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1 #ifndef STAN_MATH_REV_SCAL_FUN_PRIMITIVE_VALUE_HPP
2 #define STAN_MATH_REV_SCAL_FUN_PRIMITIVE_VALUE_HPP
3 
4 #include <stan/math/rev/meta.hpp>
5 #include <stan/math/rev/core.hpp>
7 
8 namespace stan {
9 namespace math {
10 
18 inline double primitive_value(const var& v) { return v.val(); }
19 
20 } // namespace math
21 } // namespace stan
22 #endif
Independent (input) and dependent (output) variables for gradients.
Definition: var.hpp:33
double primitive_value(const fvar< T > &v)
Return the primitive value of the specified forward-mode autodiff variable.
double val() const
Return the value of this variable.
Definition: var.hpp:294

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