Mercurial > hg > segmenter-vamp-plugin
diff armadillo-3.900.4/include/armadillo_bits/op_find_meat.hpp @ 49:1ec0e2823891
Switch to using subrepo copies of qm-dsp, nnls-chroma, vamp-plugin-sdk; update Armadillo version; assume build without external BLAS/LAPACK
author | Chris Cannam |
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date | Thu, 13 Jun 2013 10:25:24 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/armadillo-3.900.4/include/armadillo_bits/op_find_meat.hpp Thu Jun 13 10:25:24 2013 +0100 @@ -0,0 +1,387 @@ +// Copyright (C) 2010-2013 NICTA (www.nicta.com.au) +// Copyright (C) 2010-2013 Conrad Sanderson +// Copyright (C) 2010 Dimitrios Bouzas +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + + + +//! \addtogroup op_find +//! @{ + + + +template<typename T1> +inline +uword +op_find::helper + ( + Mat<uword>& indices, + const Base<typename T1::elem_type, T1>& X + ) + { + arma_extra_debug_sigprint(); + + typedef typename T1::elem_type eT; + + const Proxy<T1> A(X.get_ref()); + + const uword n_elem = A.get_n_elem(); + + indices.set_size(n_elem, 1); + + uword* indices_mem = indices.memptr(); + uword n_nz = 0; + + if(Proxy<T1>::prefer_at_accessor == false) + { + typename Proxy<T1>::ea_type PA = A.get_ea(); + + for(uword i=0; i<n_elem; ++i) + { + if(PA[i] != eT(0)) { indices_mem[n_nz] = i; ++n_nz; } + } + } + else + { + const uword n_rows = A.get_n_rows(); + const uword n_cols = A.get_n_cols(); + + uword i = 0; + + for(uword col=0; col < n_cols; ++col) + for(uword row=0; row < n_rows; ++row) + { + if(A.at(row,col) != eT(0)) { indices_mem[n_nz] = i; ++n_nz; } + + ++i; + } + } + + return n_nz; + } + + + +template<typename T1, typename op_type> +inline +uword +op_find::helper + ( + Mat<uword>& indices, + 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> A(X.m); + + const uword n_elem = A.get_n_elem(); + + indices.set_size(n_elem, 1); + + uword* indices_mem = indices.memptr(); + uword n_nz = 0; + + if(Proxy<T1>::prefer_at_accessor == false) + { + typename Proxy<T1>::ea_type PA = A.get_ea(); + + uword i,j; + for(i=0, j=1; j < n_elem; i+=2, j+=2) + { + const eT tpi = PA[i]; + const eT tpj = PA[j]; + + bool not_zero_i; + bool not_zero_j; + + if(is_same_type<op_type, op_rel_lt_pre >::value == true) { not_zero_i = (val < tpi); } + else if(is_same_type<op_type, op_rel_lt_post >::value == true) { not_zero_i = (tpi < val); } + else if(is_same_type<op_type, op_rel_gt_pre >::value == true) { not_zero_i = (val > tpi); } + else if(is_same_type<op_type, op_rel_gt_post >::value == true) { not_zero_i = (tpi > val); } + else if(is_same_type<op_type, op_rel_lteq_pre >::value == true) { not_zero_i = (val <= tpi); } + else if(is_same_type<op_type, op_rel_lteq_post>::value == true) { not_zero_i = (tpi <= val); } + else if(is_same_type<op_type, op_rel_gteq_pre >::value == true) { not_zero_i = (val >= tpi); } + else if(is_same_type<op_type, op_rel_gteq_post>::value == true) { not_zero_i = (tpi >= val); } + else if(is_same_type<op_type, op_rel_eq >::value == true) { not_zero_i = (tpi == val); } + else if(is_same_type<op_type, op_rel_noteq >::value == true) { not_zero_i = (tpi != val); } + else not_zero_i = false; + + if(is_same_type<op_type, op_rel_lt_pre >::value == true) { not_zero_j = (val < tpj); } + else if(is_same_type<op_type, op_rel_lt_post >::value == true) { not_zero_j = (tpj < val); } + else if(is_same_type<op_type, op_rel_gt_pre >::value == true) { not_zero_j = (val > tpj); } + else if(is_same_type<op_type, op_rel_gt_post >::value == true) { not_zero_j = (tpj > val); } + else if(is_same_type<op_type, op_rel_lteq_pre >::value == true) { not_zero_j = (val <= tpj); } + else if(is_same_type<op_type, op_rel_lteq_post>::value == true) { not_zero_j = (tpj <= val); } + else if(is_same_type<op_type, op_rel_gteq_pre >::value == true) { not_zero_j = (val >= tpj); } + else if(is_same_type<op_type, op_rel_gteq_post>::value == true) { not_zero_j = (tpj >= val); } + else if(is_same_type<op_type, op_rel_eq >::value == true) { not_zero_j = (tpj == val); } + else if(is_same_type<op_type, op_rel_noteq >::value == true) { not_zero_j = (tpj != val); } + else not_zero_j = false; + + if(not_zero_i == true) { indices_mem[n_nz] = i; ++n_nz; } + if(not_zero_j == true) { indices_mem[n_nz] = j; ++n_nz; } + } + + if(i < n_elem) + { + bool not_zero; + + const eT tmp = PA[i]; + + if(is_same_type<op_type, op_rel_lt_pre >::value == true) { not_zero = (val < tmp); } + else if(is_same_type<op_type, op_rel_lt_post >::value == true) { not_zero = (tmp < val); } + else if(is_same_type<op_type, op_rel_gt_pre >::value == true) { not_zero = (val > tmp); } + else if(is_same_type<op_type, op_rel_gt_post >::value == true) { not_zero = (tmp > val); } + else if(is_same_type<op_type, op_rel_lteq_pre >::value == true) { not_zero = (val <= tmp); } + else if(is_same_type<op_type, op_rel_lteq_post>::value == true) { not_zero = (tmp <= val); } + else if(is_same_type<op_type, op_rel_gteq_pre >::value == true) { not_zero = (val >= tmp); } + else if(is_same_type<op_type, op_rel_gteq_post>::value == true) { not_zero = (tmp >= val); } + else if(is_same_type<op_type, op_rel_eq >::value == true) { not_zero = (tmp == val); } + else if(is_same_type<op_type, op_rel_noteq >::value == true) { not_zero = (tmp != val); } + else not_zero = false; + + if(not_zero == true) { indices_mem[n_nz] = i; ++n_nz; } + } + } + else + { + const uword n_rows = A.get_n_rows(); + const uword n_cols = A.get_n_cols(); + + uword i = 0; + + for(uword col=0; col < n_cols; ++col) + for(uword row=0; row < n_rows; ++row) + { + const eT tmp = A.at(row,col); + + bool not_zero; + + if(is_same_type<op_type, op_rel_lt_pre >::value == true) { not_zero = (val < tmp); } + else if(is_same_type<op_type, op_rel_lt_post >::value == true) { not_zero = (tmp < val); } + else if(is_same_type<op_type, op_rel_gt_pre >::value == true) { not_zero = (val > tmp); } + else if(is_same_type<op_type, op_rel_gt_post >::value == true) { not_zero = (tmp > val); } + else if(is_same_type<op_type, op_rel_lteq_pre >::value == true) { not_zero = (val <= tmp); } + else if(is_same_type<op_type, op_rel_lteq_post>::value == true) { not_zero = (tmp <= val); } + else if(is_same_type<op_type, op_rel_gteq_pre >::value == true) { not_zero = (val >= tmp); } + else if(is_same_type<op_type, op_rel_gteq_post>::value == true) { not_zero = (tmp >= val); } + else if(is_same_type<op_type, op_rel_eq >::value == true) { not_zero = (tmp == val); } + else if(is_same_type<op_type, op_rel_noteq >::value == true) { not_zero = (tmp != val); } + else not_zero = false; + + if(not_zero == true) { indices_mem[n_nz] = i; ++n_nz; } + + ++i; + } + } + + return n_nz; + } + + + +template<typename T1, typename op_type> +inline +uword +op_find::helper + ( + Mat<uword>& indices, + const mtOp<uword, T1, op_type>& X, + const typename arma_op_rel_only<op_type>::result junk1, + const typename arma_cx_only<typename T1::elem_type>::result junk2 + ) + { + arma_extra_debug_sigprint(); + arma_ignore(junk1); + arma_ignore(junk2); + + typedef typename T1::elem_type eT; + typedef typename Proxy<T1>::ea_type ea_type; + + const eT val = X.aux; + + const Proxy<T1> A(X.m); + + ea_type PA = A.get_ea(); + const uword n_elem = A.get_n_elem(); + + indices.set_size(n_elem, 1); + + uword* indices_mem = indices.memptr(); + uword n_nz = 0; + + for(uword i=0; i<n_elem; ++i) + { + const eT tmp = PA[i]; + + bool not_zero; + + if(is_same_type<op_type, op_rel_eq >::value == true) { not_zero = (tmp == val); } + else if(is_same_type<op_type, op_rel_noteq>::value == true) { not_zero = (tmp != val); } + else not_zero = false; + + if(not_zero == true) { indices_mem[n_nz] = i; ++n_nz; } + } + + return n_nz; + } + + + +template<typename T1, typename T2, typename glue_type> +inline +uword +op_find::helper + ( + Mat<uword>& indices, + 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"); + + ea_type1 PA = A.get_ea(); + ea_type2 PB = B.get_ea(); + + const uword n_elem = B.get_n_elem(); + + indices.set_size(n_elem, 1); + + uword* indices_mem = indices.memptr(); + uword n_nz = 0; + + for(uword i=0; i<n_elem; ++i) + { + const eT1 tmp1 = PA[i]; + const eT2 tmp2 = PB[i]; + + bool not_zero; + + if(is_same_type<glue_type, glue_rel_lt >::value == true) { not_zero = (tmp1 < tmp2); } + else if(is_same_type<glue_type, glue_rel_gt >::value == true) { not_zero = (tmp1 > tmp2); } + else if(is_same_type<glue_type, glue_rel_lteq >::value == true) { not_zero = (tmp1 <= tmp2); } + else if(is_same_type<glue_type, glue_rel_gteq >::value == true) { not_zero = (tmp1 >= tmp2); } + else if(is_same_type<glue_type, glue_rel_eq >::value == true) { not_zero = (tmp1 == tmp2); } + else if(is_same_type<glue_type, glue_rel_noteq >::value == true) { not_zero = (tmp1 != tmp2); } + else not_zero = false; + + if(not_zero == true) { indices_mem[n_nz] = i; ++n_nz; } + } + + return n_nz; + } + + + +template<typename T1, typename T2, typename glue_type> +inline +uword +op_find::helper + ( + Mat<uword>& indices, + const mtGlue<uword, T1, T2, glue_type>& X, + const typename arma_glue_rel_only<glue_type>::result junk1, + const typename arma_cx_only<typename T1::elem_type>::result junk2, + const typename arma_cx_only<typename T2::elem_type>::result junk3 + ) + { + arma_extra_debug_sigprint(); + arma_ignore(junk1); + arma_ignore(junk2); + arma_ignore(junk3); + + 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"); + + ea_type1 PA = A.get_ea(); + ea_type2 PB = B.get_ea(); + + const uword n_elem = B.get_n_elem(); + + indices.set_size(n_elem, 1); + + uword* indices_mem = indices.memptr(); + uword n_nz = 0; + + for(uword i=0; i<n_elem; ++i) + { + bool not_zero; + + if(is_same_type<glue_type, glue_rel_eq >::value == true) { not_zero = (PA[i] == PB[i]); } + else if(is_same_type<glue_type, glue_rel_noteq >::value == true) { not_zero = (PA[i] != PB[i]); } + else not_zero = false; + + if(not_zero == true) { indices_mem[n_nz] = i; ++n_nz; } + } + + return n_nz; + } + + + +template<typename T1> +inline +void +op_find::apply(Mat<uword>& out, const mtOp<uword, T1, op_find>& X) + { + arma_extra_debug_sigprint(); + + const uword k = X.aux_uword_a; + const uword type = X.aux_uword_b; + + Mat<uword> indices; + const uword n_nz = op_find::helper(indices, X.m); + + if(n_nz > 0) + { + if(type == 0) // "first" + { + out = (k > 0 && k <= n_nz) ? indices.rows(0, k-1 ) : indices.rows(0, n_nz-1); + } + else // "last" + { + out = (k > 0 && k <= n_nz) ? indices.rows(n_nz-k, n_nz-1) : indices.rows(0, n_nz-1); + } + } + else + { + out.set_size(0,1); // empty column vector + } + } + + + +//! @}