math/is__eigen__sparse__base_8hpp_source.html

#ifndef STAN_MATH_PRIM_META_IS_EIGEN_SPARSE_BASE_HPP

#define STAN_MATH_PRIM_META_IS_EIGEN_SPARSE_BASE_HPP


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

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

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

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

#include <type_traits>


namespace stan {


template <typename T>

struct is_eigen_sparse_base

    : bool_constant<

          is_base_pointer_convertible<Eigen::SparseMatrixBase, T>::value> {};


template <typename T>

using require_eigen_sparse_base_t

    = require_t<is_eigen_sparse_base<std::decay_t<T>>>;

}  // namespace stan


#endif

Eigen.hpp

bool_constant.hpp

bool_constant

stan::require_eigen_sparse_base_t
require_t< is_eigen_sparse_base< std::decay_t< T > > > require_eigen_sparse_base_t
Require type satisfies is_eigen_sparse_base.
Definition is_eigen_sparse_base.hpp:34

is_base_pointer_convertible.hpp

stan::require_t
std::enable_if_t< Check::value > require_t
If condition is true, template is enabled.
Definition require_helpers.hpp:19

stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition unit_vector_constrain.hpp:15

require_helpers.hpp

stan::is_eigen_sparse_base
Checks whether type T is derived from Eigen::SparseMatrixBase.
Definition is_eigen_sparse_base.hpp:23