//
// php-armadillo/diagonal.hh
//
// @Author CismonX
//

#ifndef PHP_ARMA_DIAGONAL_HH
#define PHP_ARMA_DIAGONAL_HH

#include "php_arma.hh"
#include "instantiable.hh"
#include "complex.hh"
#include "shared_methods.hh"

namespace php_arma
{
    template <typename T> struct mat;

    template <typename T, bool IsSparse>
    struct diagonal : instantiable<diagonal<T, IsSparse>, true>
    {
        using native_t        = std::conditional_t<IsSparse, arma::spdiagview<T>, arma::diagview<T>>;
        using orig_t          = mat<T>;
        using subview_t       = mat<T>;
        using with_int_elem_t = mat<zend_long>;

        friend void diagonal_init();

        PHP_ARMA_CE_HANDLRES_DECLARE();

    private:
        PHP_ARMA_COMMON_DECLARE();

        using linear = linear_element_acccess<T, diagonal>;

        static void ce_init(zend_class_entry*);
    };

    template <typename T>
    using diagview   = diagonal<T, false>;

    template <typename T>
    using spdiagview = diagonal<T, true>;

    void diagonal_init();

    constexpr const char diagonal_php_name[]   = "Diagonal";
    constexpr const char diagview_php_name[]   = "DiagView";
    constexpr const char spdiagview_php_name[] = "SpDiagView";

    inline zend_class_entry *diagonal_ce;
    inline zend_class_entry *diagview_ce;
    inline zend_class_entry *spdiagview_ce;
}

#endif // !PHP_ARMA_DIAGONAL_HH