189 lines
4.6 KiB
C++
189 lines
4.6 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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//
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// 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 GenCube
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//! @{
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template<typename eT, typename gen_type>
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arma_inline
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GenCube<eT, gen_type>::GenCube(const uword in_n_rows, const uword in_n_cols, const uword in_n_slices)
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: n_rows (in_n_rows )
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, n_cols (in_n_cols )
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, n_slices(in_n_slices)
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{
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arma_debug_sigprint();
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}
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template<typename eT, typename gen_type>
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arma_inline
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GenCube<eT, gen_type>::~GenCube()
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{
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arma_debug_sigprint();
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}
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template<typename eT, typename gen_type>
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arma_inline
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eT
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GenCube<eT, gen_type>::operator[](const uword) const
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{
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if(is_same_type<gen_type, gen_zeros>::yes) { return eT(0); }
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else if(is_same_type<gen_type, gen_ones >::yes) { return eT(1); }
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return eT(0); // prevent pedantic compiler warnings
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}
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template<typename eT, typename gen_type>
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arma_inline
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eT
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GenCube<eT, gen_type>::at(const uword, const uword, const uword) const
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{
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if(is_same_type<gen_type, gen_zeros>::yes) { return eT(0); }
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else if(is_same_type<gen_type, gen_ones >::yes) { return eT(1); }
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return eT(0); // prevent pedantic compiler warnings
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}
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template<typename eT, typename gen_type>
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arma_inline
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eT
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GenCube<eT, gen_type>::at_alt(const uword) const
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{
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if(is_same_type<gen_type, gen_zeros>::yes) { return eT(0); }
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else if(is_same_type<gen_type, gen_ones >::yes) { return eT(1); }
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return eT(0); // prevent pedantic compiler warnings
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}
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template<typename eT, typename gen_type>
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inline
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void
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GenCube<eT, gen_type>::apply(Cube<eT>& out) const
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{
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arma_debug_sigprint();
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// NOTE: we're assuming that the cube has already been set to the correct size;
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// this is done by either the Cube constructor or operator=()
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if(is_same_type<gen_type, gen_zeros>::yes) { out.zeros(); }
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else if(is_same_type<gen_type, gen_ones >::yes) { out.ones(); }
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}
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template<typename eT, typename gen_type>
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inline
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void
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GenCube<eT, gen_type>::apply_inplace_plus(Cube<eT>& out) const
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{
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arma_debug_sigprint();
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arma_conform_assert_same_size(out.n_rows, out.n_cols, out.n_slices, n_rows, n_cols, n_slices, "addition");
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if(is_same_type<gen_type, gen_ones>::yes)
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{
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arrayops::inplace_plus(out.memptr(), eT(1), out.n_elem);
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}
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}
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template<typename eT, typename gen_type>
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inline
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void
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GenCube<eT, gen_type>::apply_inplace_minus(Cube<eT>& out) const
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{
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arma_debug_sigprint();
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arma_conform_assert_same_size(out.n_rows, out.n_cols, out.n_slices, n_rows, n_cols, n_slices, "subtraction");
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if(is_same_type<gen_type, gen_ones>::yes)
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{
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arrayops::inplace_minus(out.memptr(), eT(1), out.n_elem);
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}
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}
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template<typename eT, typename gen_type>
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inline
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void
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GenCube<eT, gen_type>::apply_inplace_schur(Cube<eT>& out) const
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{
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arma_debug_sigprint();
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arma_conform_assert_same_size(out.n_rows, out.n_cols, out.n_slices, n_rows, n_cols, n_slices, "element-wise multiplication");
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if(is_same_type<gen_type, gen_zeros>::yes)
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{
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arrayops::inplace_mul(out.memptr(), eT(0), out.n_elem);
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// NOTE: not using arrayops::fill_zeros(), as 'out' may have NaN elements
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}
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}
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template<typename eT, typename gen_type>
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inline
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void
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GenCube<eT, gen_type>::apply_inplace_div(Cube<eT>& out) const
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{
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arma_debug_sigprint();
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arma_conform_assert_same_size(out.n_rows, out.n_cols, out.n_slices, n_rows, n_cols, n_slices, "element-wise division");
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if(is_same_type<gen_type, gen_zeros>::yes)
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{
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arrayops::inplace_div(out.memptr(), eT(0), out.n_elem);
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}
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}
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template<typename eT, typename gen_type>
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inline
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void
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GenCube<eT, gen_type>::apply(subview_cube<eT>& out) const
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{
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arma_debug_sigprint();
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// NOTE: we're assuming that the subcube has the same dimensions as the GenCube object
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// this is checked by subview_cube::operator=()
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if(is_same_type<gen_type, gen_zeros>::yes) { out.zeros(); }
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else if(is_same_type<gen_type, gen_ones >::yes) { out.ones(); }
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}
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//! @}
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