Stan Math Library  2.9.0
reverse mode automatic differentiation
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 
7 #include <cmath>
8 
9 namespace stan {
10 
11  namespace math {
12 
22  template <typename T>
23  Eigen::Matrix<T, Eigen::Dynamic, 1>
24  unit_vector_free(const Eigen::Matrix<T, Eigen::Dynamic, 1>& x) {
25  stan::math::check_unit_vector("stan::math::unit_vector_free",
26  "Unit vector variable", x);
27  return x;
28  }
29 
30  }
31 
32 }
33 
34 #endif
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...
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.

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