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/* Copyright (c) 1997-2024
Ewgenij Gawrilow, Michael Joswig, and the polymake team
Technische Universität Berlin, Germany
https://polymake.org
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version: http://www.gnu.org/licenses/gpl.txt.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
--------------------------------------------------------------------------------
*/
#pragma once
#include "polymake/internal/Wary.h"
namespace pm {
template <typename TMatrix> class Rows;
template <typename TMatrix> class Cols;
template <typename TMatrix>
struct spec_object_traits< Rows<TMatrix> >
: spec_object_traits<is_container> {
typedef TMatrix masquerade_for;
static constexpr bool is_lazy = object_traits<TMatrix>::is_lazy,
is_always_const = object_traits<TMatrix>::is_always_const;
static constexpr int is_resizeable= object_traits<TMatrix>::is_resizeable ? 1 : 0;
static constexpr IO_separator_kind IO_separator = IO_sep_enforce;
};
template <typename TMatrix>
struct spec_object_traits< Cols<TMatrix> >
: spec_object_traits< Rows<TMatrix> > {};
template <typename TMatrix>
auto rows(TMatrix&& m)
// gcc 5 needs this crutch
-> typename inherit_ref_norv<Rows<unwary_t<pure_type_t<TMatrix>>>, TMatrix&>::type
{
return reinterpret_cast<typename inherit_ref_norv<Rows<unwary_t<pure_type_t<TMatrix>>>, TMatrix&>::type>(unwary(m));
}
template <typename TMatrix>
auto cols(TMatrix&& m)
// gcc 5 needs this crutch
-> typename inherit_ref_norv<Cols<unwary_t<pure_type_t<TMatrix>>>, TMatrix&>::type
{
return reinterpret_cast<typename inherit_ref_norv<Cols<unwary_t<pure_type_t<TMatrix>>>, TMatrix&>::type>(unwary(m));
}
template <typename TMatrix>
class Rows<Wary<TMatrix>> : public Rows<TMatrix> { };
template <typename TMatrix>
class Cols<Wary<TMatrix>> : public Cols<TMatrix> { };
} // end namespace pm
namespace polymake {
using pm::Rows;
using pm::Cols;
}
// Local Variables:
// mode:C++
// c-basic-offset:3
// indent-tabs-mode:nil
// End:
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