2705 lines
66 KiB
C++
2705 lines
66 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 subview_cube
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//! @{
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template<typename eT>
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inline
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subview_cube<eT>::~subview_cube()
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{
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arma_extra_debug_sigprint_this(this);
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}
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template<typename eT>
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arma_inline
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subview_cube<eT>::subview_cube
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(
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const Cube<eT>& in_m,
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const uword in_row1,
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const uword in_col1,
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const uword in_slice1,
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const uword in_n_rows,
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const uword in_n_cols,
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const uword in_n_slices
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)
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: m (in_m)
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, aux_row1 (in_row1)
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, aux_col1 (in_col1)
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, aux_slice1 (in_slice1)
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, n_rows (in_n_rows)
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, n_cols (in_n_cols)
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, n_elem_slice(in_n_rows * in_n_cols)
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, n_slices (in_n_slices)
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, n_elem (n_elem_slice * in_n_slices)
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{
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arma_extra_debug_sigprint_this(this);
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}
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template<typename eT>
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inline
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subview_cube<eT>::subview_cube(const subview_cube<eT>& in)
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: m (in.m )
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, aux_row1 (in.aux_row1 )
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, aux_col1 (in.aux_col1 )
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, aux_slice1 (in.aux_slice1 )
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, n_rows (in.n_rows )
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, n_cols (in.n_cols )
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, n_elem_slice(in.n_elem_slice)
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, n_slices (in.n_slices )
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, n_elem (in.n_elem )
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{
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arma_extra_debug_sigprint(arma_str::format("this = %x in = %x") % this % &in);
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}
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template<typename eT>
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inline
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subview_cube<eT>::subview_cube(subview_cube<eT>&& in)
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: m (in.m )
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, aux_row1 (in.aux_row1 )
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, aux_col1 (in.aux_col1 )
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, aux_slice1 (in.aux_slice1 )
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, n_rows (in.n_rows )
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, n_cols (in.n_cols )
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, n_elem_slice(in.n_elem_slice)
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, n_slices (in.n_slices )
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, n_elem (in.n_elem )
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{
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arma_extra_debug_sigprint(arma_str::format("this = %x in = %x") % this % &in);
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// for paranoia
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access::rw(in.aux_row1 ) = 0;
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access::rw(in.aux_col1 ) = 0;
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access::rw(in.aux_slice1 ) = 0;
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access::rw(in.n_rows ) = 0;
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access::rw(in.n_cols ) = 0;
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access::rw(in.n_elem_slice) = 0;
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access::rw(in.n_slices ) = 0;
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access::rw(in.n_elem ) = 0;
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}
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template<typename eT>
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template<typename op_type>
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inline
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void
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subview_cube<eT>::inplace_op(const eT val)
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{
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arma_extra_debug_sigprint();
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subview_cube<eT>& t = *this;
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const uword t_n_rows = t.n_rows;
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const uword t_n_cols = t.n_cols;
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const uword t_n_slices = t.n_slices;
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for(uword s=0; s < t_n_slices; ++s)
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for(uword c=0; c < t_n_cols; ++c)
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{
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if(is_same_type<op_type, op_internal_plus >::yes) { arrayops::inplace_plus ( slice_colptr(s,c), val, t_n_rows ); }
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if(is_same_type<op_type, op_internal_minus>::yes) { arrayops::inplace_minus( slice_colptr(s,c), val, t_n_rows ); }
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if(is_same_type<op_type, op_internal_schur>::yes) { arrayops::inplace_mul ( slice_colptr(s,c), val, t_n_rows ); }
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if(is_same_type<op_type, op_internal_div >::yes) { arrayops::inplace_div ( slice_colptr(s,c), val, t_n_rows ); }
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}
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}
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template<typename eT>
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template<typename op_type, typename T1>
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inline
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void
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subview_cube<eT>::inplace_op(const BaseCube<eT,T1>& in, const char* identifier)
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{
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arma_extra_debug_sigprint();
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const ProxyCube<T1> P(in.get_ref());
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subview_cube<eT>& t = *this;
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const uword t_n_rows = t.n_rows;
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const uword t_n_cols = t.n_cols;
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const uword t_n_slices = t.n_slices;
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arma_debug_assert_same_size(t, P, identifier);
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const bool use_mp = arma_config::openmp && ProxyCube<T1>::use_mp && mp_gate<eT>::eval(t.n_elem);
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const bool has_overlap = P.has_overlap(t);
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if(has_overlap) { arma_extra_debug_print("aliasing or overlap detected"); }
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if( (is_Cube<typename ProxyCube<T1>::stored_type>::value) || (use_mp) || (has_overlap) )
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{
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const unwrap_cube_check<typename ProxyCube<T1>::stored_type> tmp(P.Q, has_overlap);
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const Cube<eT>& B = tmp.M;
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if( (is_same_type<op_type, op_internal_equ>::yes) && (t.aux_row1 == 0) && (t_n_rows == t.m.n_rows) )
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{
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for(uword s=0; s < t_n_slices; ++s)
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{
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arrayops::copy( t.slice_colptr(s,0), B.slice_colptr(s,0), t.n_elem_slice );
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}
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}
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else
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{
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for(uword s=0; s < t_n_slices; ++s)
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for(uword c=0; c < t_n_cols; ++c)
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{
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if(is_same_type<op_type, op_internal_equ >::yes) { arrayops::copy ( t.slice_colptr(s,c), B.slice_colptr(s,c), t_n_rows ); }
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if(is_same_type<op_type, op_internal_plus >::yes) { arrayops::inplace_plus ( t.slice_colptr(s,c), B.slice_colptr(s,c), t_n_rows ); }
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if(is_same_type<op_type, op_internal_minus>::yes) { arrayops::inplace_minus( t.slice_colptr(s,c), B.slice_colptr(s,c), t_n_rows ); }
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if(is_same_type<op_type, op_internal_schur>::yes) { arrayops::inplace_mul ( t.slice_colptr(s,c), B.slice_colptr(s,c), t_n_rows ); }
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if(is_same_type<op_type, op_internal_div >::yes) { arrayops::inplace_div ( t.slice_colptr(s,c), B.slice_colptr(s,c), t_n_rows ); }
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}
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}
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}
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else // use the Proxy
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{
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if(ProxyCube<T1>::use_at)
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{
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for(uword s=0; s < t_n_slices; ++s)
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for(uword c=0; c < t_n_cols; ++c)
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{
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eT* t_col_data = t.slice_colptr(s,c);
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for(uword r=0; r < t_n_rows; ++r)
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{
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const eT tmp = P.at(r,c,s);
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if(is_same_type<op_type, op_internal_equ >::yes) { (*t_col_data) = tmp; t_col_data++; }
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if(is_same_type<op_type, op_internal_plus >::yes) { (*t_col_data) += tmp; t_col_data++; }
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if(is_same_type<op_type, op_internal_minus>::yes) { (*t_col_data) -= tmp; t_col_data++; }
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if(is_same_type<op_type, op_internal_schur>::yes) { (*t_col_data) *= tmp; t_col_data++; }
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if(is_same_type<op_type, op_internal_div >::yes) { (*t_col_data) /= tmp; t_col_data++; }
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}
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}
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}
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else
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{
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typename ProxyCube<T1>::ea_type Pea = P.get_ea();
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uword count = 0;
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for(uword s=0; s < t_n_slices; ++s)
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for(uword c=0; c < t_n_cols; ++c)
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{
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eT* t_col_data = t.slice_colptr(s,c);
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for(uword r=0; r < t_n_rows; ++r)
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{
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const eT tmp = Pea[count]; count++;
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if(is_same_type<op_type, op_internal_equ >::yes) { (*t_col_data) = tmp; t_col_data++; }
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if(is_same_type<op_type, op_internal_plus >::yes) { (*t_col_data) += tmp; t_col_data++; }
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if(is_same_type<op_type, op_internal_minus>::yes) { (*t_col_data) -= tmp; t_col_data++; }
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if(is_same_type<op_type, op_internal_schur>::yes) { (*t_col_data) *= tmp; t_col_data++; }
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if(is_same_type<op_type, op_internal_div >::yes) { (*t_col_data) /= tmp; t_col_data++; }
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}
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}
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}
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}
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}
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template<typename eT>
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template<typename op_type>
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inline
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void
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subview_cube<eT>::inplace_op(const subview_cube<eT>& x, const char* identifier)
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{
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arma_extra_debug_sigprint();
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if(check_overlap(x))
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{
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const Cube<eT> tmp(x);
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if(is_same_type<op_type, op_internal_equ >::yes) { (*this).operator= (tmp); }
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if(is_same_type<op_type, op_internal_plus >::yes) { (*this).operator+=(tmp); }
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if(is_same_type<op_type, op_internal_minus>::yes) { (*this).operator-=(tmp); }
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if(is_same_type<op_type, op_internal_schur>::yes) { (*this).operator%=(tmp); }
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if(is_same_type<op_type, op_internal_div >::yes) { (*this).operator/=(tmp); }
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return;
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}
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subview_cube<eT>& t = *this;
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arma_debug_assert_same_size(t, x, identifier);
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const uword t_n_rows = t.n_rows;
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const uword t_n_cols = t.n_cols;
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const uword t_n_slices = t.n_slices;
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for(uword s=0; s < t_n_slices; ++s)
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for(uword c=0; c < t_n_cols; ++c)
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{
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if(is_same_type<op_type, op_internal_equ >::yes) { arrayops::copy ( t.slice_colptr(s,c), x.slice_colptr(s,c), t_n_rows ); }
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if(is_same_type<op_type, op_internal_plus >::yes) { arrayops::inplace_plus ( t.slice_colptr(s,c), x.slice_colptr(s,c), t_n_rows ); }
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if(is_same_type<op_type, op_internal_minus>::yes) { arrayops::inplace_minus( t.slice_colptr(s,c), x.slice_colptr(s,c), t_n_rows ); }
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if(is_same_type<op_type, op_internal_schur>::yes) { arrayops::inplace_mul ( t.slice_colptr(s,c), x.slice_colptr(s,c), t_n_rows ); }
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if(is_same_type<op_type, op_internal_div >::yes) { arrayops::inplace_div ( t.slice_colptr(s,c), x.slice_colptr(s,c), t_n_rows ); }
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}
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}
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template<typename eT>
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inline
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void
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subview_cube<eT>::operator= (const eT val)
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{
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arma_extra_debug_sigprint();
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if(n_elem != 1)
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{
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arma_debug_assert_same_size(n_rows, n_cols, n_slices, 1, 1, 1, "copy into subcube");
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}
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Cube<eT>& Q = const_cast< Cube<eT>& >(m);
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Q.at(aux_row1, aux_col1, aux_slice1) = val;
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}
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template<typename eT>
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inline
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void
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subview_cube<eT>::operator+= (const eT val)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_plus>(val);
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}
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template<typename eT>
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inline
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void
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subview_cube<eT>::operator-= (const eT val)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_minus>(val);
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}
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template<typename eT>
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inline
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void
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subview_cube<eT>::operator*= (const eT val)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_schur>(val);
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}
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template<typename eT>
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inline
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void
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subview_cube<eT>::operator/= (const eT val)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_div>(val);
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}
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template<typename eT>
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template<typename T1>
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inline
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void
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subview_cube<eT>::operator= (const BaseCube<eT,T1>& in)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_equ>(in, "copy into subcube");
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}
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template<typename eT>
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template<typename T1>
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inline
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void
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subview_cube<eT>::operator+= (const BaseCube<eT,T1>& in)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_plus>(in, "addition");
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}
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template<typename eT>
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template<typename T1>
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inline
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void
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subview_cube<eT>::operator-= (const BaseCube<eT,T1>& in)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_minus>(in, "subtraction");
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}
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template<typename eT>
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template<typename T1>
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inline
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void
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subview_cube<eT>::operator%= (const BaseCube<eT,T1>& in)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_schur>(in, "element-wise multiplication");
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}
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template<typename eT>
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template<typename T1>
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inline
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void
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subview_cube<eT>::operator/= (const BaseCube<eT,T1>& in)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_div>(in, "element-wise division");
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}
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//! x.subcube(...) = y.subcube(...)
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template<typename eT>
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inline
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void
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subview_cube<eT>::operator= (const subview_cube<eT>& x)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_equ>(x, "copy into subcube");
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}
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template<typename eT>
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inline
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void
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subview_cube<eT>::operator+= (const subview_cube<eT>& x)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_plus>(x, "addition");
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}
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template<typename eT>
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inline
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void
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subview_cube<eT>::operator-= (const subview_cube<eT>& x)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_minus>(x, "subtraction");
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}
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template<typename eT>
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inline
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void
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subview_cube<eT>::operator%= (const subview_cube<eT>& x)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_schur>(x, "element-wise multiplication");
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}
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template<typename eT>
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inline
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void
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subview_cube<eT>::operator/= (const subview_cube<eT>& x)
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{
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arma_extra_debug_sigprint();
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inplace_op<op_internal_div>(x, "element-wise division");
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}
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template<typename eT>
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template<typename T1>
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inline
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void
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subview_cube<eT>::operator= (const Base<eT,T1>& in)
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{
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arma_extra_debug_sigprint();
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const quasi_unwrap<T1> tmp(in.get_ref());
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const Mat<eT>& x = tmp.M;
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subview_cube<eT>& t = *this;
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const uword t_n_rows = t.n_rows;
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const uword t_n_cols = t.n_cols;
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const uword t_n_slices = t.n_slices;
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const uword x_n_rows = x.n_rows;
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const uword x_n_cols = x.n_cols;
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if( ((x_n_rows == 1) || (x_n_cols == 1)) && (t_n_rows == 1) && (t_n_cols == 1) && (x.n_elem == t_n_slices) )
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{
|
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Cube<eT>& Q = const_cast< Cube<eT>& >(t.m);
|
|
|
|
const uword t_aux_row1 = t.aux_row1;
|
|
const uword t_aux_col1 = t.aux_col1;
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
|
|
const eT* x_mem = x.memptr();
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < t_n_slices; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = x_mem[i];
|
|
const eT tmp_j = x_mem[j];
|
|
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + i) = tmp_i;
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + j) = tmp_j;
|
|
}
|
|
|
|
if(i < t_n_slices)
|
|
{
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + i) = x_mem[i];
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == x_n_rows) && (t_n_cols == x_n_cols) && (t_n_slices == 1) )
|
|
{
|
|
// interpret the matrix as a cube with one slice
|
|
|
|
for(uword col = 0; col < t_n_cols; ++col)
|
|
{
|
|
arrayops::copy( t.slice_colptr(0, col), x.colptr(col), t_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == x_n_rows) && (t_n_cols == 1) && (t_n_slices == x_n_cols) )
|
|
{
|
|
for(uword i=0; i < t_n_slices; ++i)
|
|
{
|
|
arrayops::copy( t.slice_colptr(i, 0), x.colptr(i), t_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == 1) && (t_n_cols == x_n_rows) && (t_n_slices == x_n_cols) )
|
|
{
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(t.m);
|
|
|
|
const uword t_aux_row1 = t.aux_row1;
|
|
const uword t_aux_col1 = t.aux_col1;
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
|
|
for(uword slice=0; slice < t_n_slices; ++slice)
|
|
{
|
|
const uword mod_slice = t_aux_slice1 + slice;
|
|
|
|
const eT* x_colptr = x.colptr(slice);
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < t_n_cols; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = x_colptr[i];
|
|
const eT tmp_j = x_colptr[j];
|
|
|
|
Q.at(t_aux_row1, t_aux_col1 + i, mod_slice) = tmp_i;
|
|
Q.at(t_aux_row1, t_aux_col1 + j, mod_slice) = tmp_j;
|
|
}
|
|
|
|
if(i < t_n_cols)
|
|
{
|
|
Q.at(t_aux_row1, t_aux_col1 + i, mod_slice) = x_colptr[i];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(arma_config::debug)
|
|
{
|
|
arma_stop_logic_error( arma_incompat_size_string(t, x, "copy into subcube") );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
template<typename T1>
|
|
inline
|
|
void
|
|
subview_cube<eT>::operator+= (const Base<eT,T1>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const quasi_unwrap<T1> tmp(in.get_ref());
|
|
|
|
const Mat<eT>& x = tmp.M;
|
|
subview_cube<eT>& t = *this;
|
|
|
|
const uword t_n_rows = t.n_rows;
|
|
const uword t_n_cols = t.n_cols;
|
|
const uword t_n_slices = t.n_slices;
|
|
|
|
const uword x_n_rows = x.n_rows;
|
|
const uword x_n_cols = x.n_cols;
|
|
|
|
if( ((x_n_rows == 1) || (x_n_cols == 1)) && (t_n_rows == 1) && (t_n_cols == 1) && (x.n_elem == t_n_slices) )
|
|
{
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(t.m);
|
|
|
|
const uword t_aux_row1 = t.aux_row1;
|
|
const uword t_aux_col1 = t.aux_col1;
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
|
|
const eT* x_mem = x.memptr();
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < t_n_slices; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = x_mem[i];
|
|
const eT tmp_j = x_mem[j];
|
|
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + i) += tmp_i;
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + j) += tmp_j;
|
|
}
|
|
|
|
if(i < t_n_slices)
|
|
{
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + i) += x_mem[i];
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == x_n_rows) && (t_n_cols == x_n_cols) && (t_n_slices == 1) )
|
|
{
|
|
for(uword col = 0; col < t_n_cols; ++col)
|
|
{
|
|
arrayops::inplace_plus( t.slice_colptr(0, col), x.colptr(col), t_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == x_n_rows) && (t_n_cols == 1) && (t_n_slices == x_n_cols) )
|
|
{
|
|
for(uword i=0; i < t_n_slices; ++i)
|
|
{
|
|
arrayops::inplace_plus( t.slice_colptr(i, 0), x.colptr(i), t_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == 1) && (t_n_cols == x_n_rows) && (t_n_slices == x_n_cols) )
|
|
{
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(t.m);
|
|
|
|
const uword t_aux_row1 = t.aux_row1;
|
|
const uword t_aux_col1 = t.aux_col1;
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
|
|
for(uword slice=0; slice < t_n_slices; ++slice)
|
|
{
|
|
const uword mod_slice = t_aux_slice1 + slice;
|
|
|
|
const eT* x_colptr = x.colptr(slice);
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < t_n_cols; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = x_colptr[i];
|
|
const eT tmp_j = x_colptr[j];
|
|
|
|
Q.at(t_aux_row1, t_aux_col1 + i, mod_slice) += tmp_i;
|
|
Q.at(t_aux_row1, t_aux_col1 + j, mod_slice) += tmp_j;
|
|
}
|
|
|
|
if(i < t_n_cols)
|
|
{
|
|
Q.at(t_aux_row1, t_aux_col1 + i, mod_slice) += x_colptr[i];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(arma_config::debug)
|
|
{
|
|
arma_stop_logic_error( arma_incompat_size_string(t, x, "addition") );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
template<typename T1>
|
|
inline
|
|
void
|
|
subview_cube<eT>::operator-= (const Base<eT,T1>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const quasi_unwrap<T1> tmp(in.get_ref());
|
|
|
|
const Mat<eT>& x = tmp.M;
|
|
subview_cube<eT>& t = *this;
|
|
|
|
const uword t_n_rows = t.n_rows;
|
|
const uword t_n_cols = t.n_cols;
|
|
const uword t_n_slices = t.n_slices;
|
|
|
|
const uword x_n_rows = x.n_rows;
|
|
const uword x_n_cols = x.n_cols;
|
|
|
|
if( ((x_n_rows == 1) || (x_n_cols == 1)) && (t_n_rows == 1) && (t_n_cols == 1) && (x.n_elem == t_n_slices) )
|
|
{
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(t.m);
|
|
|
|
const uword t_aux_row1 = t.aux_row1;
|
|
const uword t_aux_col1 = t.aux_col1;
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
|
|
const eT* x_mem = x.memptr();
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < t_n_slices; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = x_mem[i];
|
|
const eT tmp_j = x_mem[j];
|
|
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + i) -= tmp_i;
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + j) -= tmp_j;
|
|
}
|
|
|
|
if(i < t_n_slices)
|
|
{
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + i) -= x_mem[i];
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == x_n_rows) && (t_n_cols == x_n_cols) && (t_n_slices == 1) )
|
|
{
|
|
for(uword col = 0; col < t_n_cols; ++col)
|
|
{
|
|
arrayops::inplace_minus( t.slice_colptr(0, col), x.colptr(col), t_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == x_n_rows) && (t_n_cols == 1) && (t_n_slices == x_n_cols) )
|
|
{
|
|
for(uword i=0; i < t_n_slices; ++i)
|
|
{
|
|
arrayops::inplace_minus( t.slice_colptr(i, 0), x.colptr(i), t_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == 1) && (t_n_cols == x_n_rows) && (t_n_slices == x_n_cols) )
|
|
{
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(t.m);
|
|
|
|
const uword t_aux_row1 = t.aux_row1;
|
|
const uword t_aux_col1 = t.aux_col1;
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
|
|
for(uword slice=0; slice < t_n_slices; ++slice)
|
|
{
|
|
const uword mod_slice = t_aux_slice1 + slice;
|
|
|
|
const eT* x_colptr = x.colptr(slice);
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < t_n_cols; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = x_colptr[i];
|
|
const eT tmp_j = x_colptr[j];
|
|
|
|
Q.at(t_aux_row1, t_aux_col1 + i, mod_slice) -= tmp_i;
|
|
Q.at(t_aux_row1, t_aux_col1 + j, mod_slice) -= tmp_j;
|
|
}
|
|
|
|
if(i < t_n_cols)
|
|
{
|
|
Q.at(t_aux_row1, t_aux_col1 + i, mod_slice) -= x_colptr[i];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(arma_config::debug)
|
|
{
|
|
arma_stop_logic_error( arma_incompat_size_string(t, x, "subtraction") );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
template<typename T1>
|
|
inline
|
|
void
|
|
subview_cube<eT>::operator%= (const Base<eT,T1>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const quasi_unwrap<T1> tmp(in.get_ref());
|
|
|
|
const Mat<eT>& x = tmp.M;
|
|
subview_cube<eT>& t = *this;
|
|
|
|
const uword t_n_rows = t.n_rows;
|
|
const uword t_n_cols = t.n_cols;
|
|
const uword t_n_slices = t.n_slices;
|
|
|
|
const uword x_n_rows = x.n_rows;
|
|
const uword x_n_cols = x.n_cols;
|
|
|
|
if( ((x_n_rows == 1) || (x_n_cols == 1)) && (t_n_rows == 1) && (t_n_cols == 1) && (x.n_elem == t_n_slices) )
|
|
{
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(t.m);
|
|
|
|
const uword t_aux_row1 = t.aux_row1;
|
|
const uword t_aux_col1 = t.aux_col1;
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
|
|
const eT* x_mem = x.memptr();
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < t_n_slices; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = x_mem[i];
|
|
const eT tmp_j = x_mem[j];
|
|
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + i) *= tmp_i;
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + j) *= tmp_j;
|
|
}
|
|
|
|
if(i < t_n_slices)
|
|
{
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + i) *= x_mem[i];
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == x_n_rows) && (t_n_cols == x_n_cols) && (t_n_slices == 1) )
|
|
{
|
|
for(uword col = 0; col < t_n_cols; ++col)
|
|
{
|
|
arrayops::inplace_mul( t.slice_colptr(0, col), x.colptr(col), t_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == x_n_rows) && (t_n_cols == 1) && (t_n_slices == x_n_cols) )
|
|
{
|
|
for(uword i=0; i < t_n_slices; ++i)
|
|
{
|
|
arrayops::inplace_mul( t.slice_colptr(i, 0), x.colptr(i), t_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == 1) && (t_n_cols == x_n_rows) && (t_n_slices == x_n_cols) )
|
|
{
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(t.m);
|
|
|
|
const uword t_aux_row1 = t.aux_row1;
|
|
const uword t_aux_col1 = t.aux_col1;
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
|
|
for(uword slice=0; slice < t_n_slices; ++slice)
|
|
{
|
|
const uword mod_slice = t_aux_slice1 + slice;
|
|
|
|
const eT* x_colptr = x.colptr(slice);
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < t_n_cols; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = x_colptr[i];
|
|
const eT tmp_j = x_colptr[j];
|
|
|
|
Q.at(t_aux_row1, t_aux_col1 + i, mod_slice) *= tmp_i;
|
|
Q.at(t_aux_row1, t_aux_col1 + j, mod_slice) *= tmp_j;
|
|
}
|
|
|
|
if(i < t_n_cols)
|
|
{
|
|
Q.at(t_aux_row1, t_aux_col1 + i, mod_slice) *= x_colptr[i];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(arma_config::debug)
|
|
{
|
|
arma_stop_logic_error( arma_incompat_size_string(t, x, "element-wise multiplication") );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
template<typename T1>
|
|
inline
|
|
void
|
|
subview_cube<eT>::operator/= (const Base<eT,T1>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const quasi_unwrap<T1> tmp(in.get_ref());
|
|
|
|
const Mat<eT>& x = tmp.M;
|
|
subview_cube<eT>& t = *this;
|
|
|
|
const uword t_n_rows = t.n_rows;
|
|
const uword t_n_cols = t.n_cols;
|
|
const uword t_n_slices = t.n_slices;
|
|
|
|
const uword x_n_rows = x.n_rows;
|
|
const uword x_n_cols = x.n_cols;
|
|
|
|
if( ((x_n_rows == 1) || (x_n_cols == 1)) && (t_n_rows == 1) && (t_n_cols == 1) && (x.n_elem == t_n_slices) )
|
|
{
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(t.m);
|
|
|
|
const uword t_aux_row1 = t.aux_row1;
|
|
const uword t_aux_col1 = t.aux_col1;
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
|
|
const eT* x_mem = x.memptr();
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < t_n_slices; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = x_mem[i];
|
|
const eT tmp_j = x_mem[j];
|
|
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + i) /= tmp_i;
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + j) /= tmp_j;
|
|
}
|
|
|
|
if(i < t_n_slices)
|
|
{
|
|
Q.at(t_aux_row1, t_aux_col1, t_aux_slice1 + i) /= x_mem[i];
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == x_n_rows) && (t_n_cols == x_n_cols) && (t_n_slices == 1) )
|
|
{
|
|
for(uword col = 0; col < t_n_cols; ++col)
|
|
{
|
|
arrayops::inplace_div( t.slice_colptr(0, col), x.colptr(col), t_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == x_n_rows) && (t_n_cols == 1) && (t_n_slices == x_n_cols) )
|
|
{
|
|
for(uword i=0; i < t_n_slices; ++i)
|
|
{
|
|
arrayops::inplace_div( t.slice_colptr(i, 0), x.colptr(i), t_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (t_n_rows == 1) && (t_n_cols == x_n_rows) && (t_n_slices == x_n_cols) )
|
|
{
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(t.m);
|
|
|
|
const uword t_aux_row1 = t.aux_row1;
|
|
const uword t_aux_col1 = t.aux_col1;
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
|
|
for(uword slice=0; slice < t_n_slices; ++slice)
|
|
{
|
|
const uword mod_slice = t_aux_slice1 + slice;
|
|
|
|
const eT* x_colptr = x.colptr(slice);
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < t_n_cols; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = x_colptr[i];
|
|
const eT tmp_j = x_colptr[j];
|
|
|
|
Q.at(t_aux_row1, t_aux_col1 + i, mod_slice) /= tmp_i;
|
|
Q.at(t_aux_row1, t_aux_col1 + j, mod_slice) /= tmp_j;
|
|
}
|
|
|
|
if(i < t_n_cols)
|
|
{
|
|
Q.at(t_aux_row1, t_aux_col1 + i, mod_slice) /= x_colptr[i];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(arma_config::debug)
|
|
{
|
|
arma_stop_logic_error( arma_incompat_size_string(t, x, "element-wise division") );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
template<typename gen_type>
|
|
inline
|
|
void
|
|
subview_cube<eT>::operator= (const GenCube<eT,gen_type>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
arma_debug_assert_same_size(n_rows, n_cols, n_slices, in.n_rows, in.n_cols, in.n_slices, "copy into subcube");
|
|
|
|
in.apply(*this);
|
|
}
|
|
|
|
|
|
|
|
//! apply a functor to each element
|
|
template<typename eT>
|
|
template<typename functor>
|
|
inline
|
|
void
|
|
subview_cube<eT>::for_each(functor F)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(m);
|
|
|
|
const uword start_col = aux_col1;
|
|
const uword start_row = aux_row1;
|
|
const uword start_slice = aux_slice1;
|
|
|
|
const uword end_col_plus1 = start_col + n_cols;
|
|
const uword end_row_plus1 = start_row + n_rows;
|
|
const uword end_slice_plus1 = start_slice + n_slices;
|
|
|
|
for(uword uslice = start_slice; uslice < end_slice_plus1; ++uslice)
|
|
for(uword ucol = start_col; ucol < end_col_plus1; ++ucol )
|
|
for(uword urow = start_row; urow < end_row_plus1; ++urow )
|
|
{
|
|
F( Q.at(urow, ucol, uslice) );
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
template<typename functor>
|
|
inline
|
|
void
|
|
subview_cube<eT>::for_each(functor F) const
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const Cube<eT>& Q = m;
|
|
|
|
const uword start_col = aux_col1;
|
|
const uword start_row = aux_row1;
|
|
const uword start_slice = aux_slice1;
|
|
|
|
const uword end_col_plus1 = start_col + n_cols;
|
|
const uword end_row_plus1 = start_row + n_rows;
|
|
const uword end_slice_plus1 = start_slice + n_slices;
|
|
|
|
for(uword uslice = start_slice; uslice < end_slice_plus1; ++uslice)
|
|
for(uword ucol = start_col; ucol < end_col_plus1; ++ucol )
|
|
for(uword urow = start_row; urow < end_row_plus1; ++urow )
|
|
{
|
|
F( Q.at(urow, ucol, uslice) );
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! transform each element in the subview using a functor
|
|
template<typename eT>
|
|
template<typename functor>
|
|
inline
|
|
void
|
|
subview_cube<eT>::transform(functor F)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(m);
|
|
|
|
const uword start_col = aux_col1;
|
|
const uword start_row = aux_row1;
|
|
const uword start_slice = aux_slice1;
|
|
|
|
const uword end_col_plus1 = start_col + n_cols;
|
|
const uword end_row_plus1 = start_row + n_rows;
|
|
const uword end_slice_plus1 = start_slice + n_slices;
|
|
|
|
for(uword uslice = start_slice; uslice < end_slice_plus1; ++uslice)
|
|
for(uword ucol = start_col; ucol < end_col_plus1; ++ucol )
|
|
for(uword urow = start_row; urow < end_row_plus1; ++urow )
|
|
{
|
|
Q.at(urow, ucol, uslice) = eT( F( Q.at(urow, ucol, uslice) ) );
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! imbue (fill) the subview with values provided by a functor
|
|
template<typename eT>
|
|
template<typename functor>
|
|
inline
|
|
void
|
|
subview_cube<eT>::imbue(functor F)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
Cube<eT>& Q = const_cast< Cube<eT>& >(m);
|
|
|
|
const uword start_col = aux_col1;
|
|
const uword start_row = aux_row1;
|
|
const uword start_slice = aux_slice1;
|
|
|
|
const uword end_col_plus1 = start_col + n_cols;
|
|
const uword end_row_plus1 = start_row + n_rows;
|
|
const uword end_slice_plus1 = start_slice + n_slices;
|
|
|
|
for(uword uslice = start_slice; uslice < end_slice_plus1; ++uslice)
|
|
for(uword ucol = start_col; ucol < end_col_plus1; ++ucol )
|
|
for(uword urow = start_row; urow < end_row_plus1; ++urow )
|
|
{
|
|
Q.at(urow, ucol, uslice) = eT( F() );
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! apply a lambda function to each slice, where each slice is interpreted as a matrix
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::each_slice(const std::function< void(Mat<eT>&) >& F)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
Mat<eT> tmp1(n_rows, n_cols, arma_nozeros_indicator());
|
|
Mat<eT> tmp2('j', tmp1.memptr(), n_rows, n_cols);
|
|
|
|
for(uword slice_id=0; slice_id < n_slices; ++slice_id)
|
|
{
|
|
for(uword col_id=0; col_id < n_cols; ++col_id)
|
|
{
|
|
arrayops::copy( tmp1.colptr(col_id), slice_colptr(slice_id, col_id), n_rows );
|
|
}
|
|
|
|
F(tmp2);
|
|
|
|
for(uword col_id=0; col_id < n_cols; ++col_id)
|
|
{
|
|
arrayops::copy( slice_colptr(slice_id, col_id), tmp1.colptr(col_id), n_rows );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::each_slice(const std::function< void(const Mat<eT>&) >& F) const
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
Mat<eT> tmp1(n_rows, n_cols, arma_nozeros_indicator());
|
|
const Mat<eT> tmp2('j', tmp1.memptr(), n_rows, n_cols);
|
|
|
|
for(uword slice_id=0; slice_id < n_slices; ++slice_id)
|
|
{
|
|
for(uword col_id=0; col_id < n_cols; ++col_id)
|
|
{
|
|
arrayops::copy( tmp1.colptr(col_id), slice_colptr(slice_id, col_id), n_rows );
|
|
}
|
|
|
|
F(tmp2);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::replace(const eT old_val, const eT new_val)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
arrayops::replace(slice_colptr(slice,col), local_n_rows, old_val, new_val);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::clean(const typename get_pod_type<eT>::result threshold)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
arrayops::clean( slice_colptr(slice,col), local_n_rows, threshold );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::clamp(const eT min_val, const eT max_val)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
if(is_cx<eT>::no)
|
|
{
|
|
arma_debug_check( (access::tmp_real(min_val) > access::tmp_real(max_val)), "subview_cube::clamp(): min_val must be less than max_val" );
|
|
}
|
|
else
|
|
{
|
|
arma_debug_check( (access::tmp_real(min_val) > access::tmp_real(max_val)), "subview_cube::clamp(): real(min_val) must be less than real(max_val)" );
|
|
arma_debug_check( (access::tmp_imag(min_val) > access::tmp_imag(max_val)), "subview_cube::clamp(): imag(min_val) must be less than imag(max_val)" );
|
|
}
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
arrayops::clamp( slice_colptr(slice,col), local_n_rows, min_val, max_val );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::fill(const eT val)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
arrayops::inplace_set( slice_colptr(slice,col), val, local_n_rows );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::zeros()
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
arrayops::fill_zeros( slice_colptr(slice,col), local_n_rows );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::ones()
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
fill(eT(1));
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::randu()
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
arma_rng::randu<eT>::fill( slice_colptr(slice,col), local_n_rows );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::randn()
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
arma_rng::randn<eT>::fill( slice_colptr(slice,col), local_n_rows );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::is_finite() const
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
if(arrayops::is_finite(slice_colptr(slice,col), local_n_rows) == false) { return false; }
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::is_zero(const typename get_pod_type<eT>::result tol) const
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
if(arrayops::is_zero(slice_colptr(slice,col), local_n_rows, tol) == false) { return false; }
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::has_inf() const
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
if(arrayops::has_inf(slice_colptr(slice,col), local_n_rows)) { return true; }
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::has_nan() const
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
const uword local_n_rows = n_rows;
|
|
const uword local_n_cols = n_cols;
|
|
const uword local_n_slices = n_slices;
|
|
|
|
for(uword slice = 0; slice < local_n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col < local_n_cols; ++col)
|
|
{
|
|
if(arrayops::has_nan(slice_colptr(slice,col), local_n_rows)) { return true; }
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
eT
|
|
subview_cube<eT>::at_alt(const uword i) const
|
|
{
|
|
return operator[](i);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
eT&
|
|
subview_cube<eT>::operator[](const uword i)
|
|
{
|
|
const uword in_slice = i / n_elem_slice;
|
|
const uword offset = in_slice * n_elem_slice;
|
|
const uword j = i - offset;
|
|
|
|
const uword in_col = j / n_rows;
|
|
const uword in_row = j % n_rows;
|
|
|
|
const uword index = (in_slice + aux_slice1)*m.n_elem_slice + (in_col + aux_col1)*m.n_rows + aux_row1 + in_row;
|
|
|
|
return access::rw( (const_cast< Cube<eT>& >(m)).mem[index] );
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
eT
|
|
subview_cube<eT>::operator[](const uword i) const
|
|
{
|
|
const uword in_slice = i / n_elem_slice;
|
|
const uword offset = in_slice * n_elem_slice;
|
|
const uword j = i - offset;
|
|
|
|
const uword in_col = j / n_rows;
|
|
const uword in_row = j % n_rows;
|
|
|
|
const uword index = (in_slice + aux_slice1)*m.n_elem_slice + (in_col + aux_col1)*m.n_rows + aux_row1 + in_row;
|
|
|
|
return m.mem[index];
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
eT&
|
|
subview_cube<eT>::operator()(const uword i)
|
|
{
|
|
arma_debug_check_bounds( (i >= n_elem), "subview_cube::operator(): index out of bounds" );
|
|
|
|
const uword in_slice = i / n_elem_slice;
|
|
const uword offset = in_slice * n_elem_slice;
|
|
const uword j = i - offset;
|
|
|
|
const uword in_col = j / n_rows;
|
|
const uword in_row = j % n_rows;
|
|
|
|
const uword index = (in_slice + aux_slice1)*m.n_elem_slice + (in_col + aux_col1)*m.n_rows + aux_row1 + in_row;
|
|
|
|
return access::rw( (const_cast< Cube<eT>& >(m)).mem[index] );
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
eT
|
|
subview_cube<eT>::operator()(const uword i) const
|
|
{
|
|
arma_debug_check_bounds( (i >= n_elem), "subview_cube::operator(): index out of bounds" );
|
|
|
|
const uword in_slice = i / n_elem_slice;
|
|
const uword offset = in_slice * n_elem_slice;
|
|
const uword j = i - offset;
|
|
|
|
const uword in_col = j / n_rows;
|
|
const uword in_row = j % n_rows;
|
|
|
|
const uword index = (in_slice + aux_slice1)*m.n_elem_slice + (in_col + aux_col1)*m.n_rows + aux_row1 + in_row;
|
|
|
|
return m.mem[index];
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
arma_inline
|
|
eT&
|
|
subview_cube<eT>::operator()(const uword in_row, const uword in_col, const uword in_slice)
|
|
{
|
|
arma_debug_check_bounds( ( (in_row >= n_rows) || (in_col >= n_cols) || (in_slice >= n_slices) ), "subview_cube::operator(): location out of bounds" );
|
|
|
|
const uword index = (in_slice + aux_slice1)*m.n_elem_slice + (in_col + aux_col1)*m.n_rows + aux_row1 + in_row;
|
|
|
|
return access::rw( (const_cast< Cube<eT>& >(m)).mem[index] );
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
arma_inline
|
|
eT
|
|
subview_cube<eT>::operator()(const uword in_row, const uword in_col, const uword in_slice) const
|
|
{
|
|
arma_debug_check_bounds( ( (in_row >= n_rows) || (in_col >= n_cols) || (in_slice >= n_slices) ), "subview_cube::operator(): location out of bounds" );
|
|
|
|
const uword index = (in_slice + aux_slice1)*m.n_elem_slice + (in_col + aux_col1)*m.n_rows + aux_row1 + in_row;
|
|
|
|
return m.mem[index];
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
arma_inline
|
|
eT&
|
|
subview_cube<eT>::at(const uword in_row, const uword in_col, const uword in_slice)
|
|
{
|
|
const uword index = (in_slice + aux_slice1)*m.n_elem_slice + (in_col + aux_col1)*m.n_rows + aux_row1 + in_row;
|
|
|
|
return access::rw( (const_cast< Cube<eT>& >(m)).mem[index] );
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
arma_inline
|
|
eT
|
|
subview_cube<eT>::at(const uword in_row, const uword in_col, const uword in_slice) const
|
|
{
|
|
const uword index = (in_slice + aux_slice1)*m.n_elem_slice + (in_col + aux_col1)*m.n_rows + aux_row1 + in_row;
|
|
|
|
return m.mem[index];
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
arma_inline
|
|
eT*
|
|
subview_cube<eT>::slice_colptr(const uword in_slice, const uword in_col)
|
|
{
|
|
return & access::rw((const_cast< Cube<eT>& >(m)).mem[ (in_slice + aux_slice1)*m.n_elem_slice + (in_col + aux_col1)*m.n_rows + aux_row1 ]);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
arma_inline
|
|
const eT*
|
|
subview_cube<eT>::slice_colptr(const uword in_slice, const uword in_col) const
|
|
{
|
|
return & m.mem[ (in_slice + aux_slice1)*m.n_elem_slice + (in_col + aux_col1)*m.n_rows + aux_row1 ];
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
template<typename eT2>
|
|
inline
|
|
bool
|
|
subview_cube<eT>::check_overlap(const subview_cube<eT2>& x) const
|
|
{
|
|
if(is_same_type<eT,eT2>::value == false) { return false; }
|
|
|
|
const subview_cube<eT>& t = (*this);
|
|
|
|
if(void_ptr(&(t.m)) != void_ptr(&(x.m))) { return false; }
|
|
|
|
if( (t.n_elem == 0) || (x.n_elem == 0) ) { return false; }
|
|
|
|
const uword t_row_start = t.aux_row1;
|
|
const uword t_row_end_p1 = t_row_start + t.n_rows;
|
|
|
|
const uword t_col_start = t.aux_col1;
|
|
const uword t_col_end_p1 = t_col_start + t.n_cols;
|
|
|
|
const uword t_slice_start = t.aux_slice1;
|
|
const uword t_slice_end_p1 = t_slice_start + t.n_slices;
|
|
|
|
|
|
const uword x_row_start = x.aux_row1;
|
|
const uword x_row_end_p1 = x_row_start + x.n_rows;
|
|
|
|
const uword x_col_start = x.aux_col1;
|
|
const uword x_col_end_p1 = x_col_start + x.n_cols;
|
|
|
|
const uword x_slice_start = x.aux_slice1;
|
|
const uword x_slice_end_p1 = x_slice_start + x.n_slices;
|
|
|
|
|
|
const bool outside_rows = ( (x_row_start >= t_row_end_p1 ) || (t_row_start >= x_row_end_p1 ) );
|
|
const bool outside_cols = ( (x_col_start >= t_col_end_p1 ) || (t_col_start >= x_col_end_p1 ) );
|
|
const bool outside_slices = ( (x_slice_start >= t_slice_end_p1) || (t_slice_start >= x_slice_end_p1) );
|
|
|
|
return ( (outside_rows == false) && (outside_cols == false) && (outside_slices == false) );
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
bool
|
|
subview_cube<eT>::check_overlap(const Mat<eT>& x) const
|
|
{
|
|
const subview_cube<eT>& t = *this;
|
|
|
|
const uword t_aux_slice1 = t.aux_slice1;
|
|
const uword t_aux_slice2_plus_1 = t_aux_slice1 + t.n_slices;
|
|
|
|
for(uword slice = t_aux_slice1; slice < t_aux_slice2_plus_1; ++slice)
|
|
{
|
|
if(t.m.mat_ptrs[slice] != nullptr)
|
|
{
|
|
const Mat<eT>& y = *(t.m.mat_ptrs[slice]);
|
|
|
|
if( x.memptr() == y.memptr() ) { return true; }
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
//! cube X = Y.subcube(...)
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::extract(Cube<eT>& out, const subview_cube<eT>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
// NOTE: we're assuming that the cube has already been set to the correct size and there is no aliasing;
|
|
// size setting and alias checking is done by either the Cube contructor or operator=()
|
|
|
|
const uword n_rows = in.n_rows;
|
|
const uword n_cols = in.n_cols;
|
|
const uword n_slices = in.n_slices;
|
|
|
|
arma_extra_debug_print(arma_str::format("out.n_rows = %d out.n_cols = %d out.n_slices = %d in.m.n_rows = %d in.m.n_cols = %d in.m.n_slices = %d") % out.n_rows % out.n_cols % out.n_slices % in.m.n_rows % in.m.n_cols % in.m.n_slices);
|
|
|
|
if( (in.aux_row1 == 0) && (n_rows == in.m.n_rows) )
|
|
{
|
|
for(uword s=0; s < n_slices; ++s)
|
|
{
|
|
arrayops::copy( out.slice_colptr(s,0), in.slice_colptr(s,0), in.n_elem_slice );
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
for(uword s=0; s < n_slices; ++s)
|
|
for(uword c=0; c < n_cols; ++c)
|
|
{
|
|
arrayops::copy( out.slice_colptr(s,c), in.slice_colptr(s,c), n_rows );
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! cube X += Y.subcube(...)
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::plus_inplace(Cube<eT>& out, const subview_cube<eT>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
arma_debug_assert_same_size(out, in, "addition");
|
|
|
|
const uword n_rows = out.n_rows;
|
|
const uword n_cols = out.n_cols;
|
|
const uword n_slices = out.n_slices;
|
|
|
|
for(uword slice = 0; slice<n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col<n_cols; ++col)
|
|
{
|
|
arrayops::inplace_plus( out.slice_colptr(slice,col), in.slice_colptr(slice,col), n_rows );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! cube X -= Y.subcube(...)
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::minus_inplace(Cube<eT>& out, const subview_cube<eT>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
arma_debug_assert_same_size(out, in, "subtraction");
|
|
|
|
const uword n_rows = out.n_rows;
|
|
const uword n_cols = out.n_cols;
|
|
const uword n_slices = out.n_slices;
|
|
|
|
for(uword slice = 0; slice<n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col<n_cols; ++col)
|
|
{
|
|
arrayops::inplace_minus( out.slice_colptr(slice,col), in.slice_colptr(slice,col), n_rows );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! cube X %= Y.subcube(...)
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::schur_inplace(Cube<eT>& out, const subview_cube<eT>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
arma_debug_assert_same_size(out, in, "element-wise multiplication");
|
|
|
|
const uword n_rows = out.n_rows;
|
|
const uword n_cols = out.n_cols;
|
|
const uword n_slices = out.n_slices;
|
|
|
|
for(uword slice = 0; slice<n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col<n_cols; ++col)
|
|
{
|
|
arrayops::inplace_mul( out.slice_colptr(slice,col), in.slice_colptr(slice,col), n_rows );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! cube X /= Y.subcube(...)
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::div_inplace(Cube<eT>& out, const subview_cube<eT>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
arma_debug_assert_same_size(out, in, "element-wise division");
|
|
|
|
const uword n_rows = out.n_rows;
|
|
const uword n_cols = out.n_cols;
|
|
const uword n_slices = out.n_slices;
|
|
|
|
for(uword slice = 0; slice<n_slices; ++slice)
|
|
{
|
|
for(uword col = 0; col<n_cols; ++col)
|
|
{
|
|
arrayops::inplace_div( out.slice_colptr(slice,col), in.slice_colptr(slice,col), n_rows );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! mat X = Y.subcube(...)
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::extract(Mat<eT>& out, const subview_cube<eT>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
arma_debug_assert_cube_as_mat(out, in, "copy into matrix", false);
|
|
|
|
const uword in_n_rows = in.n_rows;
|
|
const uword in_n_cols = in.n_cols;
|
|
const uword in_n_slices = in.n_slices;
|
|
|
|
const uword out_vec_state = out.vec_state;
|
|
|
|
if(in_n_slices == 1)
|
|
{
|
|
out.set_size(in_n_rows, in_n_cols);
|
|
|
|
for(uword col=0; col < in_n_cols; ++col)
|
|
{
|
|
arrayops::copy( out.colptr(col), in.slice_colptr(0, col), in_n_rows );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(out_vec_state == 0)
|
|
{
|
|
if(in_n_cols == 1)
|
|
{
|
|
out.set_size(in_n_rows, in_n_slices);
|
|
|
|
for(uword i=0; i < in_n_slices; ++i)
|
|
{
|
|
arrayops::copy( out.colptr(i), in.slice_colptr(i, 0), in_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if(in_n_rows == 1)
|
|
{
|
|
const Cube<eT>& Q = in.m;
|
|
|
|
const uword in_aux_row1 = in.aux_row1;
|
|
const uword in_aux_col1 = in.aux_col1;
|
|
const uword in_aux_slice1 = in.aux_slice1;
|
|
|
|
out.set_size(in_n_cols, in_n_slices);
|
|
|
|
for(uword slice=0; slice < in_n_slices; ++slice)
|
|
{
|
|
const uword mod_slice = in_aux_slice1 + slice;
|
|
|
|
eT* out_colptr = out.colptr(slice);
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < in_n_cols; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
|
|
const eT tmp_j = Q.at(in_aux_row1, in_aux_col1 + j, mod_slice);
|
|
|
|
out_colptr[i] = tmp_i;
|
|
out_colptr[j] = tmp_j;
|
|
}
|
|
|
|
if(i < in_n_cols)
|
|
{
|
|
out_colptr[i] = Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
out.set_size(in_n_slices);
|
|
|
|
eT* out_mem = out.memptr();
|
|
|
|
const Cube<eT>& Q = in.m;
|
|
|
|
const uword in_aux_row1 = in.aux_row1;
|
|
const uword in_aux_col1 = in.aux_col1;
|
|
const uword in_aux_slice1 = in.aux_slice1;
|
|
|
|
for(uword i=0; i<in_n_slices; ++i)
|
|
{
|
|
out_mem[i] = Q.at(in_aux_row1, in_aux_col1, in_aux_slice1 + i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! mat X += Y.subcube(...)
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::plus_inplace(Mat<eT>& out, const subview_cube<eT>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
arma_debug_assert_cube_as_mat(out, in, "addition", true);
|
|
|
|
const uword in_n_rows = in.n_rows;
|
|
const uword in_n_cols = in.n_cols;
|
|
const uword in_n_slices = in.n_slices;
|
|
|
|
const uword out_n_rows = out.n_rows;
|
|
const uword out_n_cols = out.n_cols;
|
|
const uword out_vec_state = out.vec_state;
|
|
|
|
if(in_n_slices == 1)
|
|
{
|
|
if( (arma_config::debug) && ((out_n_rows != in_n_rows) || (out_n_cols != in_n_cols)) )
|
|
{
|
|
std::ostringstream tmp;
|
|
|
|
tmp
|
|
<< "in-place addition: "
|
|
<< out_n_rows << 'x' << out_n_cols << " output matrix is incompatible with "
|
|
<< in_n_rows << 'x' << in_n_cols << 'x' << in_n_slices << " cube interpreted as "
|
|
<< in_n_rows << 'x' << in_n_cols << " matrix";
|
|
|
|
arma_stop_logic_error(tmp.str());
|
|
}
|
|
|
|
for(uword col=0; col < in_n_cols; ++col)
|
|
{
|
|
arrayops::inplace_plus( out.colptr(col), in.slice_colptr(0, col), in_n_rows );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(out_vec_state == 0)
|
|
{
|
|
if( (in_n_rows == out_n_rows) && (in_n_cols == 1) && (in_n_slices == out_n_cols) )
|
|
{
|
|
for(uword i=0; i < in_n_slices; ++i)
|
|
{
|
|
arrayops::inplace_plus( out.colptr(i), in.slice_colptr(i, 0), in_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (in_n_rows == 1) && (in_n_cols == out_n_rows) && (in_n_slices == out_n_cols) )
|
|
{
|
|
const Cube<eT>& Q = in.m;
|
|
|
|
const uword in_aux_row1 = in.aux_row1;
|
|
const uword in_aux_col1 = in.aux_col1;
|
|
const uword in_aux_slice1 = in.aux_slice1;
|
|
|
|
for(uword slice=0; slice < in_n_slices; ++slice)
|
|
{
|
|
const uword mod_slice = in_aux_slice1 + slice;
|
|
|
|
eT* out_colptr = out.colptr(slice);
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < in_n_cols; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
|
|
const eT tmp_j = Q.at(in_aux_row1, in_aux_col1 + j, mod_slice);
|
|
|
|
out_colptr[i] += tmp_i;
|
|
out_colptr[j] += tmp_j;
|
|
}
|
|
|
|
if(i < in_n_cols)
|
|
{
|
|
out_colptr[i] += Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
eT* out_mem = out.memptr();
|
|
|
|
const Cube<eT>& Q = in.m;
|
|
|
|
const uword in_aux_row1 = in.aux_row1;
|
|
const uword in_aux_col1 = in.aux_col1;
|
|
const uword in_aux_slice1 = in.aux_slice1;
|
|
|
|
for(uword i=0; i<in_n_slices; ++i)
|
|
{
|
|
out_mem[i] += Q.at(in_aux_row1, in_aux_col1, in_aux_slice1 + i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! mat X -= Y.subcube(...)
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::minus_inplace(Mat<eT>& out, const subview_cube<eT>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
arma_debug_assert_cube_as_mat(out, in, "subtraction", true);
|
|
|
|
const uword in_n_rows = in.n_rows;
|
|
const uword in_n_cols = in.n_cols;
|
|
const uword in_n_slices = in.n_slices;
|
|
|
|
const uword out_n_rows = out.n_rows;
|
|
const uword out_n_cols = out.n_cols;
|
|
const uword out_vec_state = out.vec_state;
|
|
|
|
if(in_n_slices == 1)
|
|
{
|
|
if( (arma_config::debug) && ((out_n_rows != in_n_rows) || (out_n_cols != in_n_cols)) )
|
|
{
|
|
std::ostringstream tmp;
|
|
|
|
tmp
|
|
<< "in-place subtraction: "
|
|
<< out_n_rows << 'x' << out_n_cols << " output matrix is incompatible with "
|
|
<< in_n_rows << 'x' << in_n_cols << 'x' << in_n_slices << " cube interpreted as "
|
|
<< in_n_rows << 'x' << in_n_cols << " matrix";
|
|
|
|
arma_stop_logic_error(tmp.str());
|
|
}
|
|
|
|
for(uword col=0; col < in_n_cols; ++col)
|
|
{
|
|
arrayops::inplace_minus( out.colptr(col), in.slice_colptr(0, col), in_n_rows );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(out_vec_state == 0)
|
|
{
|
|
if( (in_n_rows == out_n_rows) && (in_n_cols == 1) && (in_n_slices == out_n_cols) )
|
|
{
|
|
for(uword i=0; i < in_n_slices; ++i)
|
|
{
|
|
arrayops::inplace_minus( out.colptr(i), in.slice_colptr(i, 0), in_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (in_n_rows == 1) && (in_n_cols == out_n_rows) && (in_n_slices == out_n_cols) )
|
|
{
|
|
const Cube<eT>& Q = in.m;
|
|
|
|
const uword in_aux_row1 = in.aux_row1;
|
|
const uword in_aux_col1 = in.aux_col1;
|
|
const uword in_aux_slice1 = in.aux_slice1;
|
|
|
|
for(uword slice=0; slice < in_n_slices; ++slice)
|
|
{
|
|
const uword mod_slice = in_aux_slice1 + slice;
|
|
|
|
eT* out_colptr = out.colptr(slice);
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < in_n_cols; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
|
|
const eT tmp_j = Q.at(in_aux_row1, in_aux_col1 + j, mod_slice);
|
|
|
|
out_colptr[i] -= tmp_i;
|
|
out_colptr[j] -= tmp_j;
|
|
}
|
|
|
|
if(i < in_n_cols)
|
|
{
|
|
out_colptr[i] -= Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
eT* out_mem = out.memptr();
|
|
|
|
const Cube<eT>& Q = in.m;
|
|
|
|
const uword in_aux_row1 = in.aux_row1;
|
|
const uword in_aux_col1 = in.aux_col1;
|
|
const uword in_aux_slice1 = in.aux_slice1;
|
|
|
|
for(uword i=0; i<in_n_slices; ++i)
|
|
{
|
|
out_mem[i] -= Q.at(in_aux_row1, in_aux_col1, in_aux_slice1 + i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! mat X %= Y.subcube(...)
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::schur_inplace(Mat<eT>& out, const subview_cube<eT>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
arma_debug_assert_cube_as_mat(out, in, "element-wise multiplication", true);
|
|
|
|
const uword in_n_rows = in.n_rows;
|
|
const uword in_n_cols = in.n_cols;
|
|
const uword in_n_slices = in.n_slices;
|
|
|
|
const uword out_n_rows = out.n_rows;
|
|
const uword out_n_cols = out.n_cols;
|
|
const uword out_vec_state = out.vec_state;
|
|
|
|
if(in_n_slices == 1)
|
|
{
|
|
if( (arma_config::debug) && ((out_n_rows != in_n_rows) || (out_n_cols != in_n_cols)) )
|
|
{
|
|
std::ostringstream tmp;
|
|
|
|
tmp
|
|
<< "in-place element-wise multiplication: "
|
|
<< out_n_rows << 'x' << out_n_cols << " output matrix is incompatible with "
|
|
<< in_n_rows << 'x' << in_n_cols << 'x' << in_n_slices << " cube interpreted as "
|
|
<< in_n_rows << 'x' << in_n_cols << " matrix";
|
|
|
|
arma_stop_logic_error(tmp.str());
|
|
}
|
|
|
|
for(uword col=0; col < in_n_cols; ++col)
|
|
{
|
|
arrayops::inplace_mul( out.colptr(col), in.slice_colptr(0, col), in_n_rows );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(out_vec_state == 0)
|
|
{
|
|
if( (in_n_rows == out_n_rows) && (in_n_cols == 1) && (in_n_slices == out_n_cols) )
|
|
{
|
|
for(uword i=0; i < in_n_slices; ++i)
|
|
{
|
|
arrayops::inplace_mul( out.colptr(i), in.slice_colptr(i, 0), in_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (in_n_rows == 1) && (in_n_cols == out_n_rows) && (in_n_slices == out_n_cols) )
|
|
{
|
|
const Cube<eT>& Q = in.m;
|
|
|
|
const uword in_aux_row1 = in.aux_row1;
|
|
const uword in_aux_col1 = in.aux_col1;
|
|
const uword in_aux_slice1 = in.aux_slice1;
|
|
|
|
for(uword slice=0; slice < in_n_slices; ++slice)
|
|
{
|
|
const uword mod_slice = in_aux_slice1 + slice;
|
|
|
|
eT* out_colptr = out.colptr(slice);
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < in_n_cols; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
|
|
const eT tmp_j = Q.at(in_aux_row1, in_aux_col1 + j, mod_slice);
|
|
|
|
out_colptr[i] *= tmp_i;
|
|
out_colptr[j] *= tmp_j;
|
|
}
|
|
|
|
if(i < in_n_cols)
|
|
{
|
|
out_colptr[i] *= Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
eT* out_mem = out.memptr();
|
|
|
|
const Cube<eT>& Q = in.m;
|
|
|
|
const uword in_aux_row1 = in.aux_row1;
|
|
const uword in_aux_col1 = in.aux_col1;
|
|
const uword in_aux_slice1 = in.aux_slice1;
|
|
|
|
for(uword i=0; i<in_n_slices; ++i)
|
|
{
|
|
out_mem[i] *= Q.at(in_aux_row1, in_aux_col1, in_aux_slice1 + i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//! mat X /= Y.subcube(...)
|
|
template<typename eT>
|
|
inline
|
|
void
|
|
subview_cube<eT>::div_inplace(Mat<eT>& out, const subview_cube<eT>& in)
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
|
|
arma_debug_assert_cube_as_mat(out, in, "element-wise division", true);
|
|
|
|
const uword in_n_rows = in.n_rows;
|
|
const uword in_n_cols = in.n_cols;
|
|
const uword in_n_slices = in.n_slices;
|
|
|
|
const uword out_n_rows = out.n_rows;
|
|
const uword out_n_cols = out.n_cols;
|
|
const uword out_vec_state = out.vec_state;
|
|
|
|
if(in_n_slices == 1)
|
|
{
|
|
if( (arma_config::debug) && ((out_n_rows != in_n_rows) || (out_n_cols != in_n_cols)) )
|
|
{
|
|
std::ostringstream tmp;
|
|
|
|
tmp
|
|
<< "in-place element-wise division: "
|
|
<< out_n_rows << 'x' << out_n_cols << " output matrix is incompatible with "
|
|
<< in_n_rows << 'x' << in_n_cols << 'x' << in_n_slices << " cube interpreted as "
|
|
<< in_n_rows << 'x' << in_n_cols << " matrix";
|
|
|
|
arma_stop_logic_error(tmp.str());
|
|
}
|
|
|
|
for(uword col=0; col < in_n_cols; ++col)
|
|
{
|
|
arrayops::inplace_div( out.colptr(col), in.slice_colptr(0, col), in_n_rows );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(out_vec_state == 0)
|
|
{
|
|
if( (in_n_rows == out_n_rows) && (in_n_cols == 1) && (in_n_slices == out_n_cols) )
|
|
{
|
|
for(uword i=0; i < in_n_slices; ++i)
|
|
{
|
|
arrayops::inplace_div( out.colptr(i), in.slice_colptr(i, 0), in_n_rows );
|
|
}
|
|
}
|
|
else
|
|
if( (in_n_rows == 1) && (in_n_cols == out_n_rows) && (in_n_slices == out_n_cols) )
|
|
{
|
|
const Cube<eT>& Q = in.m;
|
|
|
|
const uword in_aux_row1 = in.aux_row1;
|
|
const uword in_aux_col1 = in.aux_col1;
|
|
const uword in_aux_slice1 = in.aux_slice1;
|
|
|
|
for(uword slice=0; slice < in_n_slices; ++slice)
|
|
{
|
|
const uword mod_slice = in_aux_slice1 + slice;
|
|
|
|
eT* out_colptr = out.colptr(slice);
|
|
|
|
uword i,j;
|
|
for(i=0, j=1; j < in_n_cols; i+=2, j+=2)
|
|
{
|
|
const eT tmp_i = Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
|
|
const eT tmp_j = Q.at(in_aux_row1, in_aux_col1 + j, mod_slice);
|
|
|
|
out_colptr[i] /= tmp_i;
|
|
out_colptr[j] /= tmp_j;
|
|
}
|
|
|
|
if(i < in_n_cols)
|
|
{
|
|
out_colptr[i] /= Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
eT* out_mem = out.memptr();
|
|
|
|
const Cube<eT>& Q = in.m;
|
|
|
|
const uword in_aux_row1 = in.aux_row1;
|
|
const uword in_aux_col1 = in.aux_col1;
|
|
const uword in_aux_slice1 = in.aux_slice1;
|
|
|
|
for(uword i=0; i<in_n_slices; ++i)
|
|
{
|
|
out_mem[i] /= Q.at(in_aux_row1, in_aux_col1, in_aux_slice1 + i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
typename subview_cube<eT>::iterator
|
|
subview_cube<eT>::begin()
|
|
{
|
|
return iterator(*this, aux_row1, aux_col1, aux_slice1);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
typename subview_cube<eT>::const_iterator
|
|
subview_cube<eT>::begin() const
|
|
{
|
|
return const_iterator(*this, aux_row1, aux_col1, aux_slice1);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
typename subview_cube<eT>::const_iterator
|
|
subview_cube<eT>::cbegin() const
|
|
{
|
|
return const_iterator(*this, aux_row1, aux_col1, aux_slice1);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
typename subview_cube<eT>::iterator
|
|
subview_cube<eT>::end()
|
|
{
|
|
return iterator(*this, aux_row1, aux_col1, aux_slice1 + n_slices);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
typename subview_cube<eT>::const_iterator
|
|
subview_cube<eT>::end() const
|
|
{
|
|
return const_iterator(*this, aux_row1, aux_col1, aux_slice1 + n_slices);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
typename subview_cube<eT>::const_iterator
|
|
subview_cube<eT>::cend() const
|
|
{
|
|
return const_iterator(*this, aux_row1, aux_col1, aux_slice1 + n_slices);
|
|
}
|
|
|
|
|
|
|
|
//
|
|
//
|
|
//
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
subview_cube<eT>::iterator::iterator()
|
|
: M (nullptr)
|
|
, current_ptr (nullptr)
|
|
, current_row (0 )
|
|
, current_col (0 )
|
|
, current_slice(0 )
|
|
, aux_row1 (0 )
|
|
, aux_col1 (0 )
|
|
, aux_row2_p1 (0 )
|
|
, aux_col2_p1 (0 )
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
// Technically this iterator is invalid (it does not point to a valid element)
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
subview_cube<eT>::iterator::iterator(const iterator& X)
|
|
: M (X.M )
|
|
, current_ptr (X.current_ptr )
|
|
, current_row (X.current_row )
|
|
, current_col (X.current_col )
|
|
, current_slice(X.current_slice)
|
|
, aux_row1 (X.aux_row1 )
|
|
, aux_col1 (X.aux_col1 )
|
|
, aux_row2_p1 (X.aux_row2_p1 )
|
|
, aux_col2_p1 (X.aux_col2_p1 )
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
subview_cube<eT>::iterator::iterator(subview_cube<eT>& in_sv, const uword in_row, const uword in_col, const uword in_slice)
|
|
: M (&(const_cast< Cube<eT>& >(in_sv.m)))
|
|
, current_ptr (&(M->at(in_row,in_col,in_slice)) )
|
|
, current_row (in_row )
|
|
, current_col (in_col )
|
|
, current_slice(in_slice )
|
|
, aux_row1 (in_sv.aux_row1 )
|
|
, aux_col1 (in_sv.aux_col1 )
|
|
, aux_row2_p1 (in_sv.aux_row1 + in_sv.n_rows )
|
|
, aux_col2_p1 (in_sv.aux_col1 + in_sv.n_cols )
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
eT&
|
|
subview_cube<eT>::iterator::operator*()
|
|
{
|
|
return (*current_ptr);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
typename subview_cube<eT>::iterator&
|
|
subview_cube<eT>::iterator::operator++()
|
|
{
|
|
current_row++;
|
|
|
|
if(current_row == aux_row2_p1)
|
|
{
|
|
current_row = aux_row1;
|
|
current_col++;
|
|
|
|
if(current_col == aux_col2_p1)
|
|
{
|
|
current_col = aux_col1;
|
|
current_slice++;
|
|
}
|
|
|
|
current_ptr = &( (*M).at(current_row,current_col,current_slice) );
|
|
}
|
|
else
|
|
{
|
|
current_ptr++;
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
typename subview_cube<eT>::iterator
|
|
subview_cube<eT>::iterator::operator++(int)
|
|
{
|
|
typename subview_cube<eT>::iterator temp(*this);
|
|
|
|
++(*this);
|
|
|
|
return temp;
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::iterator::operator==(const iterator& rhs) const
|
|
{
|
|
return (current_ptr == rhs.current_ptr);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::iterator::operator!=(const iterator& rhs) const
|
|
{
|
|
return (current_ptr != rhs.current_ptr);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::iterator::operator==(const const_iterator& rhs) const
|
|
{
|
|
return (current_ptr == rhs.current_ptr);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::iterator::operator!=(const const_iterator& rhs) const
|
|
{
|
|
return (current_ptr != rhs.current_ptr);
|
|
}
|
|
|
|
|
|
|
|
//
|
|
//
|
|
//
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
subview_cube<eT>::const_iterator::const_iterator()
|
|
: M (nullptr)
|
|
, current_ptr (nullptr)
|
|
, current_row (0 )
|
|
, current_col (0 )
|
|
, current_slice(0 )
|
|
, aux_row1 (0 )
|
|
, aux_col1 (0 )
|
|
, aux_row2_p1 (0 )
|
|
, aux_col2_p1 (0 )
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
// Technically this iterator is invalid (it does not point to a valid element)
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
subview_cube<eT>::const_iterator::const_iterator(const iterator& X)
|
|
: M (X.M )
|
|
, current_ptr (X.current_ptr )
|
|
, current_row (X.current_row )
|
|
, current_col (X.current_col )
|
|
, current_slice(X.current_slice)
|
|
, aux_row1 (X.aux_row1 )
|
|
, aux_col1 (X.aux_col1 )
|
|
, aux_row2_p1 (X.aux_row2_p1 )
|
|
, aux_col2_p1 (X.aux_col2_p1 )
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
subview_cube<eT>::const_iterator::const_iterator(const const_iterator& X)
|
|
: M (X.M )
|
|
, current_ptr (X.current_ptr )
|
|
, current_row (X.current_row )
|
|
, current_col (X.current_col )
|
|
, current_slice(X.current_slice)
|
|
, aux_row1 (X.aux_row1 )
|
|
, aux_col1 (X.aux_col1 )
|
|
, aux_row2_p1 (X.aux_row2_p1 )
|
|
, aux_col2_p1 (X.aux_col2_p1 )
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
subview_cube<eT>::const_iterator::const_iterator(const subview_cube<eT>& in_sv, const uword in_row, const uword in_col, const uword in_slice)
|
|
: M (&(in_sv.m) )
|
|
, current_ptr (&(M->at(in_row,in_col,in_slice)))
|
|
, current_row (in_row )
|
|
, current_col (in_col )
|
|
, current_slice(in_slice )
|
|
, aux_row1 (in_sv.aux_row1 )
|
|
, aux_col1 (in_sv.aux_col1 )
|
|
, aux_row2_p1 (in_sv.aux_row1 + in_sv.n_rows )
|
|
, aux_col2_p1 (in_sv.aux_col1 + in_sv.n_cols )
|
|
{
|
|
arma_extra_debug_sigprint();
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
const eT&
|
|
subview_cube<eT>::const_iterator::operator*()
|
|
{
|
|
return (*current_ptr);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
typename subview_cube<eT>::const_iterator&
|
|
subview_cube<eT>::const_iterator::operator++()
|
|
{
|
|
current_row++;
|
|
|
|
if(current_row == aux_row2_p1)
|
|
{
|
|
current_row = aux_row1;
|
|
current_col++;
|
|
|
|
if(current_col == aux_col2_p1)
|
|
{
|
|
current_col = aux_col1;
|
|
current_slice++;
|
|
}
|
|
|
|
current_ptr = &( (*M).at(current_row,current_col,current_slice) );
|
|
}
|
|
else
|
|
{
|
|
current_ptr++;
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
typename subview_cube<eT>::const_iterator
|
|
subview_cube<eT>::const_iterator::operator++(int)
|
|
{
|
|
typename subview_cube<eT>::const_iterator temp(*this);
|
|
|
|
++(*this);
|
|
|
|
return temp;
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::const_iterator::operator==(const iterator& rhs) const
|
|
{
|
|
return (current_ptr == rhs.current_ptr);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::const_iterator::operator!=(const iterator& rhs) const
|
|
{
|
|
return (current_ptr != rhs.current_ptr);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::const_iterator::operator==(const const_iterator& rhs) const
|
|
{
|
|
return (current_ptr == rhs.current_ptr);
|
|
}
|
|
|
|
|
|
|
|
template<typename eT>
|
|
inline
|
|
arma_warn_unused
|
|
bool
|
|
subview_cube<eT>::const_iterator::operator!=(const const_iterator& rhs) const
|
|
{
|
|
return (current_ptr != rhs.current_ptr);
|
|
}
|
|
|
|
|
|
|
|
//! @}
|