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Diffstat (limited to 'src/armadillo/include/armadillo_bits/op_all_meat.hpp')
| -rw-r--r-- | src/armadillo/include/armadillo_bits/op_all_meat.hpp | 406 |
1 files changed, 406 insertions, 0 deletions
diff --git a/src/armadillo/include/armadillo_bits/op_all_meat.hpp b/src/armadillo/include/armadillo_bits/op_all_meat.hpp new file mode 100644 index 0000000..5dff3ec --- /dev/null +++ b/src/armadillo/include/armadillo_bits/op_all_meat.hpp @@ -0,0 +1,406 @@ +// SPDX-License-Identifier: Apache-2.0 +// +// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au) +// Copyright 2008-2016 National ICT Australia (NICTA) +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// ------------------------------------------------------------------------ + + + +//! \addtogroup op_all +//! @{ + + + +template<typename T1> +inline +bool +op_all::all_vec_helper(const Base<typename T1::elem_type, T1>& X) + { + arma_extra_debug_sigprint(); + + typedef typename T1::elem_type eT; + + const Proxy<T1> P(X.get_ref()); + + const uword n_elem = P.get_n_elem(); + + uword count = 0; + + if(Proxy<T1>::use_at == false) + { + typename Proxy<T1>::ea_type Pea = P.get_ea(); + + for(uword i=0; i<n_elem; ++i) + { + count += (Pea[i] != eT(0)) ? uword(1) : uword(0); + } + } + else + { + const uword n_rows = P.get_n_rows(); + const uword n_cols = P.get_n_cols(); + + for(uword col=0; col < n_cols; ++col) + for(uword row=0; row < n_rows; ++row) + { + count += (P.at(row,col) != eT(0)) ? uword(1) : uword(0); + } + } + + // NOTE: for empty vectors it makes more sense to return false, but we need to return true for compatibility with Octave + return (n_elem == count); + } + + + +template<typename eT> +inline +bool +op_all::all_vec_helper(const subview<eT>& X) + { + arma_extra_debug_sigprint(); + + const uword X_n_rows = X.n_rows; + const uword X_n_cols = X.n_cols; + + uword count = 0; + + if(X_n_rows == 1) + { + for(uword col=0; col < X_n_cols; ++col) + { + count += (X.at(0,col) != eT(0)) ? uword(1) : uword(0); + } + } + else + { + for(uword col=0; col < X_n_cols; ++col) + { + const eT* X_colmem = X.colptr(col); + + for(uword row=0; row < X_n_rows; ++row) + { + count += (X_colmem[row] != eT(0)) ? uword(1) : uword(0); + } + } + } + + return (X.n_elem == count); + } + + + +template<typename T1> +inline +bool +op_all::all_vec_helper(const Op<T1, op_vectorise_col>& X) + { + arma_extra_debug_sigprint(); + + return op_all::all_vec_helper(X.m); + } + + + +template<typename T1, typename op_type> +inline +bool +op_all::all_vec_helper + ( + const mtOp<uword, T1, op_type>& X, + const typename arma_op_rel_only<op_type>::result* junk1, + const typename arma_not_cx<typename T1::elem_type>::result* junk2 + ) + { + arma_extra_debug_sigprint(); + arma_ignore(junk1); + arma_ignore(junk2); + + typedef typename T1::elem_type eT; + + const eT val = X.aux; + + const Proxy<T1> P(X.m); + + const uword n_elem = P.get_n_elem(); + + uword count = 0; + + if(Proxy<T1>::use_at == false) + { + typename Proxy<T1>::ea_type Pea = P.get_ea(); + + for(uword i=0; i < n_elem; ++i) + { + const eT tmp = Pea[i]; + + if(is_same_type<op_type, op_rel_lt_pre >::yes) { count += (val < tmp) ? uword(1) : uword(0); } + else if(is_same_type<op_type, op_rel_lt_post >::yes) { count += (tmp < val) ? uword(1) : uword(0); } + else if(is_same_type<op_type, op_rel_gt_pre >::yes) { count += (val > tmp) ? uword(1) : uword(0); } + else if(is_same_type<op_type, op_rel_gt_post >::yes) { count += (tmp > val) ? uword(1) : uword(0); } + else if(is_same_type<op_type, op_rel_lteq_pre >::yes) { count += (val <= tmp) ? uword(1) : uword(0); } + else if(is_same_type<op_type, op_rel_lteq_post>::yes) { count += (tmp <= val) ? uword(1) : uword(0); } + else if(is_same_type<op_type, op_rel_gteq_pre >::yes) { count += (val >= tmp) ? uword(1) : uword(0); } + else if(is_same_type<op_type, op_rel_gteq_post>::yes) { count += (tmp >= val) ? uword(1) : uword(0); } + else if(is_same_type<op_type, op_rel_eq >::yes) { count += (tmp == val) ? uword(1) : uword(0); } + else if(is_same_type<op_type, op_rel_noteq >::yes) { count += (tmp != val) ? uword(1) : uword(0); } + } + } + else + { + const uword n_rows = P.get_n_rows(); + const uword n_cols = P.get_n_cols(); + + for(uword col=0; col < n_cols; ++col) + for(uword row=0; row < n_rows; ++row) + { + const eT tmp = P.at(row,col); + + if(is_same_type<op_type, op_rel_lt_pre >::yes) { if(val < tmp) { ++count; } } + else if(is_same_type<op_type, op_rel_lt_post >::yes) { if(tmp < val) { ++count; } } + else if(is_same_type<op_type, op_rel_gt_pre >::yes) { if(val > tmp) { ++count; } } + else if(is_same_type<op_type, op_rel_gt_post >::yes) { if(tmp > val) { ++count; } } + else if(is_same_type<op_type, op_rel_lteq_pre >::yes) { if(val <= tmp) { ++count; } } + else if(is_same_type<op_type, op_rel_lteq_post>::yes) { if(tmp <= val) { ++count; } } + else if(is_same_type<op_type, op_rel_gteq_pre >::yes) { if(val >= tmp) { ++count; } } + else if(is_same_type<op_type, op_rel_gteq_post>::yes) { if(tmp >= val) { ++count; } } + else if(is_same_type<op_type, op_rel_eq >::yes) { if(tmp == val) { ++count; } } + else if(is_same_type<op_type, op_rel_noteq >::yes) { if(tmp != val) { ++count; } } + } + } + + return (n_elem == count); + } + + + +template<typename T1, typename T2, typename glue_type> +inline +bool +op_all::all_vec_helper + ( + const mtGlue<uword, T1, T2, glue_type>& X, + const typename arma_glue_rel_only<glue_type>::result* junk1, + const typename arma_not_cx<typename T1::elem_type>::result* junk2, + const typename arma_not_cx<typename T2::elem_type>::result* junk3 + ) + { + arma_extra_debug_sigprint(); + arma_ignore(junk1); + arma_ignore(junk2); + arma_ignore(junk3); + + typedef typename T1::elem_type eT1; + typedef typename T2::elem_type eT2; + + typedef typename Proxy<T1>::ea_type ea_type1; + typedef typename Proxy<T2>::ea_type ea_type2; + + const Proxy<T1> A(X.A); + const Proxy<T2> B(X.B); + + arma_debug_assert_same_size(A, B, "relational operator"); + + const uword n_elem = A.get_n_elem(); + + uword count = 0; + + const bool use_at = (Proxy<T1>::use_at || Proxy<T2>::use_at); + + if(use_at == false) + { + ea_type1 PA = A.get_ea(); + ea_type2 PB = B.get_ea(); + + for(uword i=0; i<n_elem; ++i) + { + const eT1 tmp1 = PA[i]; + const eT2 tmp2 = PB[i]; + + if(is_same_type<glue_type, glue_rel_lt >::yes) { count += (tmp1 < tmp2) ? uword(1) : uword(0); } + else if(is_same_type<glue_type, glue_rel_gt >::yes) { count += (tmp1 > tmp2) ? uword(1) : uword(0); } + else if(is_same_type<glue_type, glue_rel_lteq >::yes) { count += (tmp1 <= tmp2) ? uword(1) : uword(0); } + else if(is_same_type<glue_type, glue_rel_gteq >::yes) { count += (tmp1 >= tmp2) ? uword(1) : uword(0); } + else if(is_same_type<glue_type, glue_rel_eq >::yes) { count += (tmp1 == tmp2) ? uword(1) : uword(0); } + else if(is_same_type<glue_type, glue_rel_noteq >::yes) { count += (tmp1 != tmp2) ? uword(1) : uword(0); } + else if(is_same_type<glue_type, glue_rel_and >::yes) { count += (tmp1 && tmp2) ? uword(1) : uword(0); } + else if(is_same_type<glue_type, glue_rel_or >::yes) { count += (tmp1 || tmp2) ? uword(1) : uword(0); } + } + } + else + { + const uword n_rows = A.get_n_rows(); + const uword n_cols = A.get_n_cols(); + + for(uword col=0; col < n_cols; ++col) + for(uword row=0; row < n_rows; ++row) + { + const eT1 tmp1 = A.at(row,col); + const eT2 tmp2 = B.at(row,col); + + if(is_same_type<glue_type, glue_rel_lt >::yes) { if(tmp1 < tmp2) { ++count; } } + else if(is_same_type<glue_type, glue_rel_gt >::yes) { if(tmp1 > tmp2) { ++count; } } + else if(is_same_type<glue_type, glue_rel_lteq >::yes) { if(tmp1 <= tmp2) { ++count; } } + else if(is_same_type<glue_type, glue_rel_gteq >::yes) { if(tmp1 >= tmp2) { ++count; } } + else if(is_same_type<glue_type, glue_rel_eq >::yes) { if(tmp1 == tmp2) { ++count; } } + else if(is_same_type<glue_type, glue_rel_noteq >::yes) { if(tmp1 != tmp2) { ++count; } } + else if(is_same_type<glue_type, glue_rel_and >::yes) { if(tmp1 && tmp2) { ++count; } } + else if(is_same_type<glue_type, glue_rel_or >::yes) { if(tmp1 || tmp2) { ++count; } } + } + } + + return (n_elem == count); + } + + + +template<typename T1> +inline +bool +op_all::all_vec(T1& X) + { + arma_extra_debug_sigprint(); + + return op_all::all_vec_helper(X); + } + + + +template<typename T1> +inline +void +op_all::apply_helper(Mat<uword>& out, const Proxy<T1>& P, const uword dim) + { + arma_extra_debug_sigprint(); + + const uword n_rows = P.get_n_rows(); + const uword n_cols = P.get_n_cols(); + + typedef typename Proxy<T1>::elem_type eT; + + if(dim == 0) // traverse rows (ie. process each column) + { + out.zeros(1, n_cols); + + if(out.n_elem == 0) { return; } + + uword* out_mem = out.memptr(); + + if(is_Mat<typename Proxy<T1>::stored_type>::value) + { + const unwrap<typename Proxy<T1>::stored_type> U(P.Q); + + for(uword col=0; col < n_cols; ++col) + { + const eT* colmem = U.M.colptr(col); + + uword count = 0; + + for(uword row=0; row < n_rows; ++row) + { + count += (colmem[row] != eT(0)) ? uword(1) : uword(0); + } + + out_mem[col] = (n_rows == count) ? uword(1) : uword(0); + } + } + else + { + for(uword col=0; col < n_cols; ++col) + { + uword count = 0; + + for(uword row=0; row < n_rows; ++row) + { + if(P.at(row,col) != eT(0)) { ++count; } + } + + out_mem[col] = (n_rows == count) ? uword(1) : uword(0); + } + } + } + else + { + out.zeros(n_rows, 1); + + uword* out_mem = out.memptr(); + + // internal dual use of 'out': keep the counts for each row + + if(is_Mat<typename Proxy<T1>::stored_type>::value) + { + const unwrap<typename Proxy<T1>::stored_type> U(P.Q); + + for(uword col=0; col < n_cols; ++col) + { + const eT* colmem = U.M.colptr(col); + + for(uword row=0; row < n_rows; ++row) + { + out_mem[row] += (colmem[row] != eT(0)) ? uword(1) : uword(0); + } + } + } + else + { + for(uword col=0; col < n_cols; ++col) + { + for(uword row=0; row < n_rows; ++row) + { + if(P.at(row,col) != eT(0)) { ++out_mem[row]; } + } + } + } + + + // see what the counts tell us + + for(uword row=0; row < n_rows; ++row) + { + out_mem[row] = (n_cols == out_mem[row]) ? uword(1) : uword(0); + } + + } + } + + + +template<typename T1> +inline +void +op_all::apply(Mat<uword>& out, const mtOp<uword, T1, op_all>& X) + { + arma_extra_debug_sigprint(); + + const uword dim = X.aux_uword_a; + + const Proxy<T1> P(X.m); + + if(P.is_alias(out) == false) + { + op_all::apply_helper(out, P, dim); + } + else + { + Mat<uword> out2; + + op_all::apply_helper(out2, P, dim); + + out.steal_mem(out2); + } + } + + + +//! @} |