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// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2008-2016 National ICT Australia (NICTA)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------
//! \addtogroup glue_solve
//! @{
class glue_solve_gen_default
{
public:
template<typename T1, typename T2>
struct traits
{
static constexpr bool is_row = false;
static constexpr bool is_col = T2::is_col;
static constexpr bool is_xvec = false;
};
template<typename T1, typename T2> inline static void apply(Mat<typename T1::elem_type>& out, const Glue<T1,T2,glue_solve_gen_default>& X);
template<typename eT, typename T1, typename T2> inline static bool apply(Mat<eT>& out, const Base<eT,T1>& A_expr, const Base<eT,T2>& B_expr);
};
class glue_solve_gen_full
{
public:
template<typename T1, typename T2>
struct traits
{
static constexpr bool is_row = false;
static constexpr bool is_col = T2::is_col;
static constexpr bool is_xvec = false;
};
template<typename T1, typename T2> inline static void apply(Mat<typename T1::elem_type>& out, const Glue<T1,T2,glue_solve_gen_full>& X);
template<typename eT, typename T1, typename T2, const bool has_user_flags = true> inline static bool apply(Mat<eT>& out, const Base<eT,T1>& A_expr, const Base<eT,T2>& B_expr, const uword flags);
};
class glue_solve_tri_default
{
public:
template<typename T1, typename T2>
struct traits
{
static constexpr bool is_row = false;
static constexpr bool is_col = T2::is_col;
static constexpr bool is_xvec = false;
};
template<typename T1, typename T2> inline static void apply(Mat<typename T1::elem_type>& out, const Glue<T1,T2,glue_solve_tri_default>& X);
template<typename eT, typename T1, typename T2> inline static bool apply(Mat<eT>& out, const Base<eT,T1>& A_expr, const Base<eT,T2>& B_expr, const uword flags);
};
class glue_solve_tri_full
{
public:
template<typename T1, typename T2>
struct traits
{
static constexpr bool is_row = false;
static constexpr bool is_col = T2::is_col;
static constexpr bool is_xvec = false;
};
template<typename T1, typename T2> inline static void apply(Mat<typename T1::elem_type>& out, const Glue<T1,T2,glue_solve_tri_full>& X);
template<typename eT, typename T1, typename T2> inline static bool apply(Mat<eT>& out, const Base<eT,T1>& A_expr, const Base<eT,T2>& B_expr, const uword flags);
};
namespace solve_opts
{
struct opts
{
const uword flags;
inline constexpr explicit opts(const uword in_flags);
inline const opts operator+(const opts& rhs) const;
};
inline
constexpr
opts::opts(const uword in_flags)
: flags(in_flags)
{}
inline
const opts
opts::operator+(const opts& rhs) const
{
const opts result( flags | rhs.flags );
return result;
}
// The values below (eg. 1u << 1) are for internal Armadillo use only.
// The values can change without notice.
static constexpr uword flag_none = uword(0 );
static constexpr uword flag_fast = uword(1u << 0);
static constexpr uword flag_equilibrate = uword(1u << 1);
static constexpr uword flag_no_approx = uword(1u << 2);
static constexpr uword flag_triu = uword(1u << 3);
static constexpr uword flag_tril = uword(1u << 4);
static constexpr uword flag_no_band = uword(1u << 5);
static constexpr uword flag_no_sympd = uword(1u << 6);
static constexpr uword flag_allow_ugly = uword(1u << 7);
static constexpr uword flag_likely_sympd = uword(1u << 8);
static constexpr uword flag_refine = uword(1u << 9);
static constexpr uword flag_no_trimat = uword(1u << 10);
static constexpr uword flag_force_approx = uword(1u << 11);
struct opts_none : public opts { inline constexpr opts_none() : opts(flag_none ) {} };
struct opts_fast : public opts { inline constexpr opts_fast() : opts(flag_fast ) {} };
struct opts_equilibrate : public opts { inline constexpr opts_equilibrate() : opts(flag_equilibrate ) {} };
struct opts_no_approx : public opts { inline constexpr opts_no_approx() : opts(flag_no_approx ) {} };
struct opts_triu : public opts { inline constexpr opts_triu() : opts(flag_triu ) {} };
struct opts_tril : public opts { inline constexpr opts_tril() : opts(flag_tril ) {} };
struct opts_no_band : public opts { inline constexpr opts_no_band() : opts(flag_no_band ) {} };
struct opts_no_sympd : public opts { inline constexpr opts_no_sympd() : opts(flag_no_sympd ) {} };
struct opts_allow_ugly : public opts { inline constexpr opts_allow_ugly() : opts(flag_allow_ugly ) {} };
struct opts_likely_sympd : public opts { inline constexpr opts_likely_sympd() : opts(flag_likely_sympd) {} };
struct opts_refine : public opts { inline constexpr opts_refine() : opts(flag_refine ) {} };
struct opts_no_trimat : public opts { inline constexpr opts_no_trimat() : opts(flag_no_trimat ) {} };
struct opts_force_approx : public opts { inline constexpr opts_force_approx() : opts(flag_force_approx) {} };
static constexpr opts_none none;
static constexpr opts_fast fast;
static constexpr opts_equilibrate equilibrate;
static constexpr opts_no_approx no_approx;
static constexpr opts_triu triu;
static constexpr opts_tril tril;
static constexpr opts_no_band no_band;
static constexpr opts_no_sympd no_sympd;
static constexpr opts_allow_ugly allow_ugly;
static constexpr opts_likely_sympd likely_sympd;
static constexpr opts_refine refine;
static constexpr opts_no_trimat no_trimat;
static constexpr opts_force_approx force_approx;
}
//! @}
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