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