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