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unit_vector_free.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_UNIT_VECTOR_FREE_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_UNIT_VECTOR_FREE_HPP
3
4 #include <stan/math/prim/mat/fun/Eigen.hpp>
5 #include <stan/math/prim/mat/meta/index_type.hpp>
6 #include <stan/math/prim/mat/err/check_unit_vector.hpp>
7 #include <cmath>
8
9 namespace stan {
10 namespace math {
11
21 template <typename T>
22 Eigen::Matrix<T, Eigen::Dynamic, 1>
23 unit_vector_free(const Eigen::Matrix<T, Eigen::Dynamic, 1>& x) {
24 check_unit_vector("stan::math::unit_vector_free",
25 "Unit vector variable", x);
26 return x;
27 }
28
29 }
30 }
31 #endif
stan
Definition: log_sum_exp.hpp:8
check_unit_vector.hpp
index_type.hpp
stan::math::unit_vector_free
Eigen::Matrix< T, Eigen::Dynamic, 1 > unit_vector_free(const Eigen::Matrix< T, Eigen::Dynamic, 1 > &x)
Transformation of a unit length vector to a "free" vector However, we are just fixing the unidentifie...
Definition: unit_vector_free.hpp:23
Eigen.hpp
stan::math::check_unit_vector
bool check_unit_vector(const char *function, const char *name, const Eigen::Matrix< T_prob, Eigen::Dynamic, 1 > &theta)
Return true if the specified vector is unit vector.
Definition: check_unit_vector.hpp:35

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