<commit_before>#ifndef STAN_MATH_PRIM_MAT_ERR_CHECK_POS_DEFINITE_HPP
#define STAN_MATH_PRIM_MAT_ERR_CHECK_POS_DEFINITE_HPP

#include <stan/math/prim/scal/err/check_not_nan.hpp>
#include <stan/math/prim/scal/err/domain_error.hpp>
#include <stan/math/prim/mat/err/check_symmetric.hpp>
#include <stan/math/prim/mat/err/constraint_tolerance.hpp>
#include <stan/math/prim/scal/err/check_positive.hpp>
#include <stan/math/prim/mat/fun/Eigen.hpp>
#include <stan/math/prim/mat/fun/value_of_rec.hpp>

namespace stan {
namespace math {

/**<commit_msg>Fix missing include<commit_after>#ifndef STAN_MATH_PRIM_MAT_ERR_CHECK_POS_DEFINITE_HPP
#define STAN_MATH_PRIM_MAT_ERR_CHECK_POS_DEFINITE_HPP

#include <stan/math/prim/mat/meta/get.hpp>
#include <stan/math/prim/mat/meta/length.hpp>
#include <stan/math/prim/mat/meta/is_vector.hpp>
#include <stan/math/prim/mat/meta/is_vector_like.hpp>
#include <stan/math/prim/scal/err/check_not_nan.hpp>
#include <stan/math/prim/scal/err/domain_error.hpp>
#include <stan/math/prim/mat/err/check_symmetric.hpp>
#include <stan/math/prim/mat/err/constraint_tolerance.hpp>
#include <stan/math/prim/scal/err/check_positive.hpp>
#include <stan/math/prim/mat/fun/Eigen.hpp>
#include <stan/math/prim/mat/fun/value_of_rec.hpp>

namespace stan {
namespace math {

/**
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