is_matching_dims.hpp

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#ifndef STAN_MATH_PRIM_ERR_IS_MATCHING_DIMS_HPP
#define STAN_MATH_PRIM_ERR_IS_MATCHING_DIMS_HPP
 
#include <stan/math/prim/fun/Eigen.hpp>
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/err/is_size_match.hpp>
 
namespace stan {
namespace math {
 
template <typename EigMat1, typename EigMat2,
          require_all_matrix_t<EigMat1, EigMat2>* = nullptr>
inline bool is_matching_dims(const EigMat1& y1, const EigMat2& y2) {
  return is_size_match(y1.rows(), y2.rows())
         && is_size_match(y1.cols(), y2.cols());
}
 
template <bool check_compile, typename EigMat1, typename EigMat2,
          require_all_matrix_t<EigMat1, EigMat2>* = nullptr>
inline bool is_matching_dims(const EigMat1& y1, const EigMat2& y2) {
  return !(check_compile
           && (EigMat1::RowsAtCompileTime != EigMat2::RowsAtCompileTime
               || EigMat1::ColsAtCompileTime != EigMat2::ColsAtCompileTime))
         && is_matching_dims(y1, y2);
}
 
}  // namespace math
}  // namespace stan
#endif