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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 fn_max
//! @{
template<typename T1>
arma_warn_unused
inline
typename enable_if2< is_arma_type<T1>::value && resolves_to_vector<T1>::yes, typename T1::elem_type >::result
max(const T1& X)
{
arma_extra_debug_sigprint();
return op_max::max(X);
}
template<typename T1>
arma_warn_unused
arma_inline
typename enable_if2< is_arma_type<T1>::value && resolves_to_vector<T1>::no, const Op<T1, op_max> >::result
max(const T1& X)
{
arma_extra_debug_sigprint();
return Op<T1, op_max>(X, 0, 0);
}
template<typename T1>
arma_warn_unused
arma_inline
typename enable_if2< is_arma_type<T1>::value, const Op<T1, op_max> >::result
max(const T1& X, const uword dim)
{
arma_extra_debug_sigprint();
return Op<T1, op_max>(X, dim, 0);
}
template<typename T>
arma_warn_unused
arma_inline
typename arma_scalar_only<T>::result
max(const T& x)
{
return x;
}
//! element-wise maximum
template<typename T1, typename T2>
arma_warn_unused
arma_inline
typename
enable_if2
<
( is_arma_type<T1>::value && is_arma_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value ),
const Glue<T1, T2, glue_max>
>::result
max
(
const T1& X,
const T2& Y
)
{
arma_extra_debug_sigprint();
return Glue<T1, T2, glue_max>(X, Y);
}
template<typename T1>
arma_warn_unused
arma_inline
const OpCube<T1, op_max>
max
(
const BaseCube<typename T1::elem_type, T1>& X,
const uword dim = 0
)
{
arma_extra_debug_sigprint();
return OpCube<T1, op_max>(X.get_ref(), dim, 0);
}
template<typename T1, typename T2>
arma_warn_unused
arma_inline
const GlueCube<T1, T2, glue_max>
max
(
const BaseCube<typename T1::elem_type, T1>& X,
const BaseCube<typename T1::elem_type, T2>& Y
)
{
arma_extra_debug_sigprint();
return GlueCube<T1, T2, glue_max>(X.get_ref(), Y.get_ref());
}
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_sparse_type<T1>::value && resolves_to_sparse_vector<T1>::yes,
typename T1::elem_type
>::result
max(const T1& x)
{
arma_extra_debug_sigprint();
return spop_max::vector_max(x);
}
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_sparse_type<T1>::value && resolves_to_sparse_vector<T1>::no,
const SpOp<T1, spop_max>
>::result
max(const T1& X)
{
arma_extra_debug_sigprint();
return SpOp<T1, spop_max>(X, 0, 0);
}
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_sparse_type<T1>::value,
const SpOp<T1, spop_max>
>::result
max(const T1& X, const uword dim)
{
arma_extra_debug_sigprint();
return SpOp<T1, spop_max>(X, dim, 0);
}
// elementwise sparse max
template<typename T1, typename T2>
arma_warn_unused
inline
typename
enable_if2
<
(is_arma_sparse_type<T1>::value && is_arma_sparse_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value),
const SpGlue<T1, T2, spglue_max>
>::result
max(const T1& x, const T2& y)
{
arma_extra_debug_sigprint();
return SpGlue<T1, T2, spglue_max>(x, y);
}
//! elementwise max of dense and sparse objects with the same element type
template<typename T1, typename T2>
inline
typename
enable_if2
<
(is_arma_type<T1>::value && is_arma_sparse_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value),
Mat<typename T1::elem_type>
>::result
max
(
const T1& x,
const T2& y
)
{
arma_extra_debug_sigprint();
Mat<typename T1::elem_type> out;
spglue_max::dense_sparse_max(out, x, y);
return out;
}
//! elementwise max of sparse and dense objects with the same element type
template<typename T1, typename T2>
inline
typename
enable_if2
<
(is_arma_sparse_type<T1>::value && is_arma_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value),
Mat<typename T1::elem_type>
>::result
max
(
const T1& x,
const T2& y
)
{
arma_extra_debug_sigprint();
Mat<typename T1::elem_type> out;
// Just call the other order (these operations are commutative)
// TODO: if there is a matrix size mismatch, the debug assert will print the matrix sizes in wrong order
spglue_max::dense_sparse_max(out, y, x);
return out;
}
arma_warn_unused
inline
uword
max(const SizeMat& s)
{
return (std::max)(s.n_rows, s.n_cols);
}
arma_warn_unused
inline
uword
max(const SizeCube& s)
{
return (std::max)( (std::max)(s.n_rows, s.n_cols), s.n_slices );
}
//! @}
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