math/is__column__index_8hpp_source.html

#ifndef STAN_MATH_PRIM_ERR_IS_COLUMN_INDEX_HPP

#define STAN_MATH_PRIM_ERR_IS_COLUMN_INDEX_HPP


#include <stan/math/prim/fun/Eigen.hpp>

#include <stan/math/prim/meta.hpp>


namespace stan {

namespace math {


template <typename EigMat, require_eigen_t<EigMat>* = nullptr>

inline bool is_column_index(const EigMat& y, size_t i) {

  return i >= stan::error_index::value

         && i < static_cast<size_t>(y.cols()) + stan::error_index::value;

}


}  // namespace math

}  // namespace stan

#endif

Eigen.hpp

stan::math::is_column_index
bool is_column_index(const EigMat &y, size_t i)
Return true if column index is in bounds.
Definition is_column_index.hpp:20

stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition fvar.hpp:9

meta.hpp

stan::error_index::value
@ value
Definition error_index.hpp:8