Stan Math Library  2.20.0
reverse mode automatic differentiation
as_column_vector_or_scalar.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_FUN_AS_COLUMN_VECTOR_OR_SCALAR_HPP
2 #define STAN_MATH_PRIM_SCAL_FUN_AS_COLUMN_VECTOR_OR_SCALAR_HPP
3 
4 namespace stan {
5 namespace math {
6 
15 template <typename T>
16 inline const T& as_column_vector_or_scalar(const T& a) {
17  return a;
18 }
19 
20 } // namespace math
21 } // namespace stan
22 
23 #endif
const Eigen::Matrix< T, Eigen::Dynamic, 1 > & as_column_vector_or_scalar(const Eigen::Matrix< T, Eigen::Dynamic, 1 > &a)
Converts input argument to a column vector or a scalar.

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