Mercurial > hg > segmenter-vamp-plugin
diff armadillo-3.900.4/include/armadillo_bits/Gen_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/Gen_meat.hpp Thu Jun 13 10:25:24 2013 +0100 @@ -0,0 +1,310 @@ +// Copyright (C) 2011-2013 NICTA (www.nicta.com.au) +// Copyright (C) 2011-2013 Conrad Sanderson +// +// 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 Gen +//! @{ + + + +template<typename T1, typename gen_type> +arma_inline +Gen<T1, gen_type>::Gen(const uword in_n_rows, const uword in_n_cols) + : n_rows(in_n_rows) + , n_cols(in_n_cols) + { + arma_extra_debug_sigprint(); + } + + + +template<typename T1, typename gen_type> +arma_inline +Gen<T1, gen_type>::~Gen() + { + arma_extra_debug_sigprint(); + } + + + +template<typename T1, typename gen_type> +arma_inline +typename T1::elem_type +Gen<T1, gen_type>::generate() + { + typedef typename T1::elem_type eT; + + if(is_same_type<gen_type, gen_ones_full>::value == true) { return eT(1); } + else if(is_same_type<gen_type, gen_zeros >::value == true) { return eT(0); } + else if(is_same_type<gen_type, gen_randu >::value == true) { return eT(eop_aux_randu<eT>()); } + else if(is_same_type<gen_type, gen_randn >::value == true) { return eT(eop_aux_randn<eT>()); } + else { return eT(); } + } + + + +template<typename T1, typename gen_type> +arma_inline +typename T1::elem_type +Gen<T1, gen_type>::operator[](const uword ii) const + { + typedef typename T1::elem_type eT; + + if(is_same_type<gen_type, gen_ones_diag>::value == true) + { + return ((ii % n_rows) == (ii / n_rows)) ? eT(1) : eT(0); + } + else + { + return Gen<T1, gen_type>::generate(); + } + } + + + +template<typename T1, typename gen_type> +arma_inline +typename T1::elem_type +Gen<T1, gen_type>::at(const uword row, const uword col) const + { + typedef typename T1::elem_type eT; + + if(is_same_type<gen_type, gen_ones_diag>::value == true) + { + return (row == col) ? eT(1) : eT(0); + } + else + { + return Gen<T1, gen_type>::generate(); + } + } + + + +template<typename T1, typename gen_type> +arma_inline +typename T1::elem_type +Gen<T1, gen_type>::at_alt(const uword ii) const + { + return operator[](ii); + } + + + +template<typename T1, typename gen_type> +inline +void +Gen<T1, gen_type>::apply(Mat<typename T1::elem_type>& out) const + { + arma_extra_debug_sigprint(); + + // NOTE: we're assuming that the matrix has already been set to the correct size; + // this is done by either the Mat contructor or operator=() + + if(is_same_type<gen_type, gen_ones_diag>::value == true) { out.eye(); } + else if(is_same_type<gen_type, gen_ones_full>::value == true) { out.ones(); } + else if(is_same_type<gen_type, gen_zeros >::value == true) { out.zeros(); } + else if(is_same_type<gen_type, gen_randu >::value == true) { out.randu(); } + else if(is_same_type<gen_type, gen_randn >::value == true) { out.randn(); } + } + + + +template<typename T1, typename gen_type> +inline +void +Gen<T1, gen_type>::apply_inplace_plus(Mat<typename T1::elem_type>& out) const + { + arma_extra_debug_sigprint(); + + arma_debug_assert_same_size(out.n_rows, out.n_cols, n_rows, n_cols, "addition"); + + typedef typename T1::elem_type eT; + + + if(is_same_type<gen_type, gen_ones_diag>::value == true) + { + const uword N = (std::min)(n_rows, n_cols); + + for(uword iq=0; iq < N; ++iq) + { + out.at(iq,iq) += eT(1); + } + } + else + { + eT* out_mem = out.memptr(); + const uword n_elem = out.n_elem; + + uword iq,jq; + for(iq=0, jq=1; jq < n_elem; iq+=2, jq+=2) + { + const eT tmp_i = Gen<T1, gen_type>::generate(); + const eT tmp_j = Gen<T1, gen_type>::generate(); + + out_mem[iq] += tmp_i; + out_mem[jq] += tmp_j; + } + + if(iq < n_elem) + { + out_mem[iq] += Gen<T1, gen_type>::generate(); + } + } + + } + + + + +template<typename T1, typename gen_type> +inline +void +Gen<T1, gen_type>::apply_inplace_minus(Mat<typename T1::elem_type>& out) const + { + arma_extra_debug_sigprint(); + + arma_debug_assert_same_size(out.n_rows, out.n_cols, n_rows, n_cols, "subtraction"); + + typedef typename T1::elem_type eT; + + + if(is_same_type<gen_type, gen_ones_diag>::value == true) + { + const uword N = (std::min)(n_rows, n_cols); + + for(uword iq=0; iq < N; ++iq) + { + out.at(iq,iq) -= eT(1); + } + } + else + { + eT* out_mem = out.memptr(); + const uword n_elem = out.n_elem; + + uword iq,jq; + for(iq=0, jq=1; jq < n_elem; iq+=2, jq+=2) + { + const eT tmp_i = Gen<T1, gen_type>::generate(); + const eT tmp_j = Gen<T1, gen_type>::generate(); + + out_mem[iq] -= tmp_i; + out_mem[jq] -= tmp_j; + } + + if(iq < n_elem) + { + out_mem[iq] -= Gen<T1, gen_type>::generate(); + } + } + + } + + + + +template<typename T1, typename gen_type> +inline +void +Gen<T1, gen_type>::apply_inplace_schur(Mat<typename T1::elem_type>& out) const + { + arma_extra_debug_sigprint(); + + arma_debug_assert_same_size(out.n_rows, out.n_cols, n_rows, n_cols, "element-wise multiplication"); + + typedef typename T1::elem_type eT; + + + if(is_same_type<gen_type, gen_ones_diag>::value == true) + { + const uword N = (std::min)(n_rows, n_cols); + + for(uword iq=0; iq < N; ++iq) + { + for(uword row=0; row < iq; ++row) { out.at(row,iq) = eT(0); } + for(uword row=iq+1; row < n_rows; ++row) { out.at(row,iq) = eT(0); } + } + } + else + { + eT* out_mem = out.memptr(); + const uword n_elem = out.n_elem; + + uword iq,jq; + for(iq=0, jq=1; jq < n_elem; iq+=2, jq+=2) + { + const eT tmp_i = Gen<T1, gen_type>::generate(); + const eT tmp_j = Gen<T1, gen_type>::generate(); + + out_mem[iq] *= tmp_i; + out_mem[jq] *= tmp_j; + } + + if(iq < n_elem) + { + out_mem[iq] *= Gen<T1, gen_type>::generate(); + } + } + + } + + + + +template<typename T1, typename gen_type> +inline +void +Gen<T1, gen_type>::apply_inplace_div(Mat<typename T1::elem_type>& out) const + { + arma_extra_debug_sigprint(); + + arma_debug_assert_same_size(out.n_rows, out.n_cols, n_rows, n_cols, "element-wise division"); + + typedef typename T1::elem_type eT; + + + if(is_same_type<gen_type, gen_ones_diag>::value == true) + { + const uword N = (std::min)(n_rows, n_cols); + + for(uword iq=0; iq < N; ++iq) + { + const eT zero = eT(0); + + for(uword row=0; row < iq; ++row) { out.at(row,iq) /= zero; } + for(uword row=iq+1; row < n_rows; ++row) { out.at(row,iq) /= zero; } + } + } + else + { + eT* out_mem = out.memptr(); + const uword n_elem = out.n_elem; + + uword iq,jq; + for(iq=0, jq=1; jq < n_elem; iq+=2, jq+=2) + { + const eT tmp_i = Gen<T1, gen_type>::generate(); + const eT tmp_j = Gen<T1, gen_type>::generate(); + + out_mem[iq] /= tmp_i; + out_mem[jq] /= tmp_j; + } + + if(iq < n_elem) + { + out_mem[iq] /= Gen<T1, gen_type>::generate(); + } + } + + } + + + + +//! @} +