75 lines
2.2 KiB
C++
75 lines
2.2 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 fn_conv
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//! @{
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//! Convolution, which is also equivalent to polynomial multiplication and FIR digital filtering.
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template<typename T1, typename T2>
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arma_warn_unused
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inline
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typename
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enable_if2
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<
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(is_arma_type<T1>::value && is_arma_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value),
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const Glue<T1, T2, glue_conv>
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>::result
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conv(const T1& A, const T2& B, const char* shape = "full")
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{
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arma_debug_sigprint();
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const char sig = (shape != nullptr) ? shape[0] : char(0);
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arma_conform_check( ((sig != 'f') && (sig != 's')), "conv(): unsupported value of 'shape' parameter" );
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const uword mode = (sig == 's') ? uword(1) : uword(0);
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return Glue<T1, T2, glue_conv>(A, B, mode);
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}
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template<typename T1, typename T2>
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arma_warn_unused
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inline
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typename
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enable_if2
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<
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(is_arma_type<T1>::value && is_arma_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value),
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const Glue<T1, T2, glue_conv2>
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>::result
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conv2(const T1& A, const T2& B, const char* shape = "full")
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{
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arma_debug_sigprint();
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const char sig = (shape != nullptr) ? shape[0] : char(0);
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arma_conform_check( ((sig != 'f') && (sig != 's')), "conv2(): unsupported value of 'shape' parameter" );
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const uword mode = (sig == 's') ? uword(1) : uword(0);
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return Glue<T1, T2, glue_conv2>(A, B, mode);
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}
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//! @}
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