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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_diff
//! @{
template<typename T1>
arma_warn_unused
arma_inline
typename
enable_if2
<
is_arma_type<T1>::value && resolves_to_vector<T1>::yes,
const Op<T1, op_diff_vec>
>::result
diff
(
const T1& X,
const uword k = 1
)
{
arma_extra_debug_sigprint();
return Op<T1, op_diff_vec>(X, k, 0);
}
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_diff>
>::result
diff
(
const T1& X,
const uword k = 1
)
{
arma_extra_debug_sigprint();
return Op<T1, op_diff>(X, k, 0);
}
template<typename T1>
arma_warn_unused
arma_inline
typename
enable_if2
<
is_arma_type<T1>::value,
const Op<T1, op_diff>
>::result
diff
(
const T1& X,
const uword k,
const uword dim
)
{
arma_extra_debug_sigprint();
return Op<T1, op_diff>(X, k, dim);
}
//! @}
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