// SPDX-License-Identifier: Apache-2.0 // // Copyright 2008-2016 Conrad Sanderson (https://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 // https://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 traits //! @{ template struct get_pod_type { typedef T1 result; }; template struct get_pod_type< std::complex > { typedef T2 result; }; template struct is_Mat_fixed_only { using yes = char[1]; using no = char[2]; template static yes& check(typename X::Mat_fixed_type*); template static no& check(...); static constexpr bool value = ( sizeof(check(0)) == sizeof(yes) ); }; template struct is_Row_fixed_only { using yes = char[1]; using no = char[2]; template static yes& check(typename X::Row_fixed_type*); template static no& check(...); static constexpr bool value = ( sizeof(check(0)) == sizeof(yes) ); }; template struct is_Col_fixed_only { using yes = char[1]; using no = char[2]; template static yes& check(typename X::Col_fixed_type*); template static no& check(...); static constexpr bool value = ( sizeof(check(0)) == sizeof(yes) ); }; template struct is_Mat_fixed { static constexpr bool value = ( is_Mat_fixed_only::value || is_Row_fixed_only::value || is_Col_fixed_only::value ); }; template struct is_Mat_only { static constexpr bool value = is_Mat_fixed_only::value; }; template struct is_Mat_only< Mat > { static constexpr bool value = true; }; template struct is_Mat_only< const Mat > { static constexpr bool value = true; }; template struct is_Mat { static constexpr bool value = ( is_Mat_fixed_only::value || is_Row_fixed_only::value || is_Col_fixed_only::value ); }; template struct is_Mat< Mat > { static constexpr bool value = true; }; template struct is_Mat< const Mat > { static constexpr bool value = true; }; template struct is_Mat< Row > { static constexpr bool value = true; }; template struct is_Mat< const Row > { static constexpr bool value = true; }; template struct is_Mat< Col > { static constexpr bool value = true; }; template struct is_Mat< const Col > { static constexpr bool value = true; }; template struct is_Row { static constexpr bool value = is_Row_fixed_only::value; }; template struct is_Row< Row > { static constexpr bool value = true; }; template struct is_Row< const Row > { static constexpr bool value = true; }; template struct is_Col { static constexpr bool value = is_Col_fixed_only::value; }; template struct is_Col< Col > { static constexpr bool value = true; }; template struct is_Col< const Col > { static constexpr bool value = true; }; template struct is_diagview { static constexpr bool value = false; }; template struct is_diagview< diagview > { static constexpr bool value = true; }; template struct is_diagview< const diagview > { static constexpr bool value = true; }; template struct is_subview { static constexpr bool value = false; }; template struct is_subview< subview > { static constexpr bool value = true; }; template struct is_subview< const subview > { static constexpr bool value = true; }; template struct is_subview_row { static constexpr bool value = false; }; template struct is_subview_row< subview_row > { static constexpr bool value = true; }; template struct is_subview_row< const subview_row > { static constexpr bool value = true; }; template struct is_subview_col { static constexpr bool value = false; }; template struct is_subview_col< subview_col > { static constexpr bool value = true; }; template struct is_subview_col< const subview_col > { static constexpr bool value = true; }; template struct is_subview_cols { static constexpr bool value = false; }; template struct is_subview_cols< subview_cols > { static constexpr bool value = true; }; template struct is_subview_cols< const subview_cols > { static constexpr bool value = true; }; template struct is_subview_elem1 { static constexpr bool value = false; }; template struct is_subview_elem1< subview_elem1 > { static constexpr bool value = true; }; template struct is_subview_elem1< const subview_elem1 > { static constexpr bool value = true; }; template struct is_subview_elem2 { static constexpr bool value = false; }; template struct is_subview_elem2< subview_elem2 > { static constexpr bool value = true; }; template struct is_subview_elem2< const subview_elem2 > { static constexpr bool value = true; }; // // // template struct is_Cube { static constexpr bool value = false; }; template struct is_Cube< Cube > { static constexpr bool value = true; }; template struct is_Cube< const Cube > { static constexpr bool value = true; }; template struct is_subview_cube { static constexpr bool value = false; }; template struct is_subview_cube< subview_cube > { static constexpr bool value = true; }; template struct is_subview_cube< const subview_cube > { static constexpr bool value = true; }; template struct is_subview_cube_slices { static constexpr bool value = false; }; template struct is_subview_cube_slices< subview_cube_slices > { static constexpr bool value = true; }; template struct is_subview_cube_slices< const subview_cube_slices > { static constexpr bool value = true; }; // // // template struct is_Gen { static constexpr bool value = false; }; template struct is_Gen< Gen > { static constexpr bool value = true; }; template struct is_Gen< const Gen > { static constexpr bool value = true; }; template struct is_Op { static constexpr bool value = false; }; template struct is_Op< Op > { static constexpr bool value = true; }; template struct is_Op< const Op > { static constexpr bool value = true; }; template struct is_CubeToMatOp { static constexpr bool value = false; }; template struct is_CubeToMatOp< CubeToMatOp > { static constexpr bool value = true; }; template struct is_CubeToMatOp< const CubeToMatOp > { static constexpr bool value = true; }; template struct is_SpToDOp { static constexpr bool value = false; }; template struct is_SpToDOp< SpToDOp > { static constexpr bool value = true; }; template struct is_SpToDOp< const SpToDOp > { static constexpr bool value = true; }; template struct is_SpToDGlue { static constexpr bool value = false; }; template struct is_SpToDGlue< SpToDGlue > { static constexpr bool value = true; }; template struct is_SpToDGlue< const SpToDGlue > { static constexpr bool value = true; }; template struct is_eOp { static constexpr bool value = false; }; template struct is_eOp< eOp > { static constexpr bool value = true; }; template struct is_eOp< const eOp > { static constexpr bool value = true; }; template struct is_mtOp { static constexpr bool value = false; }; template struct is_mtOp< mtOp > { static constexpr bool value = true; }; template struct is_mtOp< const mtOp > { static constexpr bool value = true; }; template struct is_Glue { static constexpr bool value = false; }; template struct is_Glue< Glue > { static constexpr bool value = true; }; template struct is_Glue< const Glue > { static constexpr bool value = true; }; template struct is_eGlue { static constexpr bool value = false; }; template struct is_eGlue< eGlue > { static constexpr bool value = true; }; template struct is_eGlue< const eGlue > { static constexpr bool value = true; }; template struct is_mtGlue { static constexpr bool value = false; }; template struct is_mtGlue< mtGlue > { static constexpr bool value = true; }; template struct is_mtGlue< const mtGlue > { static constexpr bool value = true; }; // // template struct is_glue_times { static constexpr bool value = false; }; template struct is_glue_times< Glue > { static constexpr bool value = true; }; template struct is_glue_times< const Glue > { static constexpr bool value = true; }; template struct is_glue_times_diag { static constexpr bool value = false; }; template struct is_glue_times_diag< Glue > { static constexpr bool value = true; }; template struct is_glue_times_diag< const Glue > { static constexpr bool value = true; }; template struct is_op_diagmat { static constexpr bool value = false; }; template struct is_op_diagmat< Op > { static constexpr bool value = true; }; template struct is_op_diagmat< const Op > { static constexpr bool value = true; }; // // template struct is_GenCube { static constexpr bool value = false; }; template struct is_GenCube< GenCube > { static constexpr bool value = true; }; template struct is_OpCube { static constexpr bool value = false; }; template struct is_OpCube< OpCube > { static constexpr bool value = true; }; template struct is_eOpCube { static constexpr bool value = false; }; template struct is_eOpCube< eOpCube > { static constexpr bool value = true; }; template struct is_mtOpCube { static constexpr bool value = false; }; template struct is_mtOpCube< mtOpCube > { static constexpr bool value = true; }; template struct is_GlueCube { static constexpr bool value = false; }; template struct is_GlueCube< GlueCube > { static constexpr bool value = true; }; template struct is_eGlueCube { static constexpr bool value = false; }; template struct is_eGlueCube< eGlueCube > { static constexpr bool value = true; }; template struct is_mtGlueCube { static constexpr bool value = false; }; template struct is_mtGlueCube< mtGlueCube > { static constexpr bool value = true; }; // // // template struct is_arma_type2 { static constexpr bool value = is_Mat::value || is_Gen::value || is_Op::value || is_Glue::value || is_eOp::value || is_eGlue::value || is_mtOp::value || is_mtGlue::value || is_diagview::value || is_subview::value || is_subview_row::value || is_subview_col::value || is_subview_cols::value || is_subview_elem1::value || is_subview_elem2::value || is_CubeToMatOp::value || is_SpToDOp::value || is_SpToDGlue::value ; }; // due to rather baroque C++ rules for proving constant expressions, // certain compilers may get confused with the combination of conditional inheritance, nested classes and the shenanigans in is_Mat_fixed_only. // below we explicitly ensure the type is forced to be const, which seems to eliminate the confusion. template struct is_arma_type { static constexpr bool value = is_arma_type2::value; }; template struct is_arma_cube_type { static constexpr bool value = is_Cube::value || is_GenCube::value || is_OpCube::value || is_eOpCube::value || is_mtOpCube::value || is_GlueCube::value || is_eGlueCube::value || is_mtGlueCube::value || is_subview_cube::value || is_subview_cube_slices::value ; }; // // // template struct is_SpMat { static constexpr bool value = false; }; template struct is_SpMat< SpMat > { static constexpr bool value = true; }; template struct is_SpMat< SpCol > { static constexpr bool value = true; }; template struct is_SpMat< SpRow > { static constexpr bool value = true; }; template struct is_SpRow { static constexpr bool value = false; }; template struct is_SpRow< SpRow > { static constexpr bool value = true; }; template struct is_SpCol { static constexpr bool value = false; }; template struct is_SpCol< SpCol > { static constexpr bool value = true; }; template struct is_SpSubview { static constexpr bool value = false; }; template struct is_SpSubview< SpSubview > { static constexpr bool value = true; }; template struct is_SpSubview_col { static constexpr bool value = false; }; template struct is_SpSubview_col< SpSubview_col > { static constexpr bool value = true; }; template struct is_SpSubview_col_list { static constexpr bool value = false; }; template struct is_SpSubview_col_list< SpSubview_col_list > { static constexpr bool value = true; }; template struct is_SpSubview_row { static constexpr bool value = false; }; template struct is_SpSubview_row< SpSubview_row > { static constexpr bool value = true; }; template struct is_spdiagview { static constexpr bool value = false; }; template struct is_spdiagview< spdiagview > { static constexpr bool value = true; }; template struct is_SpOp { static constexpr bool value = false; }; template struct is_SpOp< SpOp > { static constexpr bool value = true; }; template struct is_SpGlue { static constexpr bool value = false; }; template struct is_SpGlue< SpGlue > { static constexpr bool value = true; }; template struct is_mtSpOp { static constexpr bool value = false; }; template struct is_mtSpOp< mtSpOp > { static constexpr bool value = true; }; template struct is_mtSpGlue { static constexpr bool value = false; }; template struct is_mtSpGlue< mtSpGlue > { static constexpr bool value = true; }; template struct is_mtSpReduceOp { static constexpr bool value = false; }; template struct is_mtSpReduceOp< mtSpReduceOp > { static constexpr bool value = true; }; template struct is_arma_sparse_type { static constexpr bool value = is_SpMat::value || is_SpSubview::value || is_SpSubview_col::value || is_SpSubview_col_list::value || is_SpSubview_row::value || is_spdiagview::value || is_SpOp::value || is_SpGlue::value || is_mtSpOp::value || is_mtSpGlue::value || is_mtSpReduceOp::value ; }; // // // template struct is_same_type { static constexpr bool value = false; static constexpr bool yes = false; static constexpr bool no = true; }; template struct is_same_type { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; // // // template struct is_u8 { static constexpr bool value = false; }; template<> struct is_u8 { static constexpr bool value = true; }; template struct is_s8 { static constexpr bool value = false; }; template<> struct is_s8 { static constexpr bool value = true; }; template struct is_u16 { static constexpr bool value = false; }; template<> struct is_u16 { static constexpr bool value = true; }; template struct is_s16 { static constexpr bool value = false; }; template<> struct is_s16 { static constexpr bool value = true; }; template struct is_u32 { static constexpr bool value = false; }; template<> struct is_u32 { static constexpr bool value = true; }; template struct is_s32 { static constexpr bool value = false; }; template<> struct is_s32 { static constexpr bool value = true; }; template struct is_u64 { static constexpr bool value = false; }; template<> struct is_u64 { static constexpr bool value = true; }; template struct is_s64 { static constexpr bool value = false; }; template<> struct is_s64 { static constexpr bool value = true; }; template struct is_ulng_t { static constexpr bool value = false; }; template<> struct is_ulng_t { static constexpr bool value = true; }; template struct is_slng_t { static constexpr bool value = false; }; template<> struct is_slng_t { static constexpr bool value = true; }; template struct is_ulng_t_32 { static constexpr bool value = false; }; template<> struct is_ulng_t_32 { static constexpr bool value = (sizeof(ulng_t) == 4); }; template struct is_slng_t_32 { static constexpr bool value = false; }; template<> struct is_slng_t_32 { static constexpr bool value = (sizeof(slng_t) == 4); }; template struct is_ulng_t_64 { static constexpr bool value = false; }; template<> struct is_ulng_t_64 { static constexpr bool value = (sizeof(ulng_t) == 8); }; template struct is_slng_t_64 { static constexpr bool value = false; }; template<> struct is_slng_t_64 { static constexpr bool value = (sizeof(slng_t) == 8); }; template struct is_uword { static constexpr bool value = false; }; template<> struct is_uword { static constexpr bool value = true; }; template struct is_sword { static constexpr bool value = false; }; template<> struct is_sword { static constexpr bool value = true; }; template struct is_float { static constexpr bool value = false; }; template<> struct is_float { static constexpr bool value = true; }; template struct is_double { static constexpr bool value = false; }; template<> struct is_double { static constexpr bool value = true; }; template struct is_fp16 { static constexpr bool value = false; static constexpr bool yes = false; static constexpr bool no = true; }; #ifdef ARMA_HAVE_FP16 template<> struct is_fp16 { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; #endif template struct is_real { static constexpr bool value = false; static constexpr bool yes = false; static constexpr bool no = true; }; template<> struct is_real { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; template<> struct is_real { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; #ifdef ARMA_HAVE_FP16 template<> struct is_real { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; #endif template struct is_blas_real { static constexpr bool value = false; static constexpr bool yes = false; static constexpr bool no = true; }; template<> struct is_blas_real { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; template<> struct is_blas_real { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; template struct is_cx { static constexpr bool value = false; static constexpr bool yes = false; static constexpr bool no = true; }; // template<> template struct is_cx< std::complex > { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; template struct is_blas_cx { static constexpr bool value = false; static constexpr bool yes = false; static constexpr bool no = true; }; template<> struct is_blas_cx< std::complex > { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; template<> struct is_blas_cx< std::complex > { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; template struct is_cx_float { static constexpr bool value = false; static constexpr bool yes = false; static constexpr bool no = true; }; template<> struct is_cx_float< std::complex > { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; template struct is_cx_double { static constexpr bool value = false; static constexpr bool yes = false; static constexpr bool no = true; }; template<> struct is_cx_double< std::complex > { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; template struct is_cx_fp16 { static constexpr bool value = false; static constexpr bool yes = false; static constexpr bool no = true; }; #ifdef ARMA_HAVE_FP16 template<> struct is_cx_fp16< std::complex > { static constexpr bool value = true; static constexpr bool yes = true; static constexpr bool no = false; }; #endif template struct is_supported_elem_type { static constexpr bool value = \ is_u8::value || is_s8::value || is_u16::value || is_s16::value || is_u32::value || is_s32::value || is_u64::value || is_s64::value || is_ulng_t::value || is_slng_t::value || is_float::value || is_double::value || is_cx_float::value || is_cx_double::value || is_fp16::value || is_cx_fp16::value; }; template struct is_blas_type { static constexpr bool value = \ is_float::value || is_double::value || is_cx_float::value || is_cx_double::value; }; template struct has_blas_float_bug { #if defined(ARMA_BLAS_FLOAT_BUG) static constexpr bool value = is_float::result>::value; #else static constexpr bool value = false; #endif }; template struct is_signed { static constexpr bool value = true; }; template<> struct is_signed { static constexpr bool value = false; }; template<> struct is_signed { static constexpr bool value = false; }; template<> struct is_signed { static constexpr bool value = false; }; template<> struct is_signed { static constexpr bool value = false; }; template<> struct is_signed { static constexpr bool value = false; }; template struct is_real_or_cx { static constexpr bool value = false; }; template<> struct is_real_or_cx< float > { static constexpr bool value = true; }; template<> struct is_real_or_cx< double > { static constexpr bool value = true; }; template<> struct is_real_or_cx< std::complex > { static constexpr bool value = true; }; template<> struct is_real_or_cx< std::complex > { static constexpr bool value = true; }; #if defined(ARMA_HAVE_FP16) template<> struct is_real_or_cx< fp16 > { static constexpr bool value = true; }; template<> struct is_real_or_cx< std::complex > { static constexpr bool value = true; }; #endif // struct arma_junk_class; template struct force_different_type { typedef T1 T1_result; typedef T2 T2_result; }; template struct force_different_type { typedef T1 T1_result; typedef arma_junk_class T2_result; }; // template struct resolves_to_vector_default { static constexpr bool value = false; static constexpr bool yes = false; static constexpr bool no = true; }; template struct resolves_to_vector_test { static constexpr bool value = (T1::is_col || T1::is_row || T1::is_xvec); static constexpr bool yes = (T1::is_col || T1::is_row || T1::is_xvec); static constexpr bool no = ((T1::is_col || T1::is_row || T1::is_xvec) == false); }; template struct resolves_to_vector_redirect {}; template struct resolves_to_vector_redirect { typedef resolves_to_vector_default result; }; template struct resolves_to_vector_redirect { typedef resolves_to_vector_test result; }; template struct resolves_to_vector : public resolves_to_vector_redirect::value>::result {}; template struct resolves_to_sparse_vector : public resolves_to_vector_redirect::value>::result {}; // template struct resolves_to_rowvector_default { static constexpr bool value = false; }; template struct resolves_to_rowvector_test { static constexpr bool value = T1::is_row; }; template struct resolves_to_rowvector_redirect {}; template struct resolves_to_rowvector_redirect { typedef resolves_to_rowvector_default result; }; template struct resolves_to_rowvector_redirect { typedef resolves_to_rowvector_test result; }; template struct resolves_to_rowvector : public resolves_to_rowvector_redirect::value>::result {}; // template struct resolves_to_colvector_default { static constexpr bool value = false; }; template struct resolves_to_colvector_test { static constexpr bool value = T1::is_col; }; template struct resolves_to_colvector_redirect {}; template