From eda5bc26f44ee9a6f83dcf8c91f17296d7fc509d Mon Sep 17 00:00:00 2001
From: Nao Pross <np@0hm.ch>
Date: Mon, 12 Feb 2024 14:52:43 +0100
Subject: Move into version control

---
 src/armadillo/include/armadillo_bits/fn_conv.hpp | 74 ++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 src/armadillo/include/armadillo_bits/fn_conv.hpp

(limited to 'src/armadillo/include/armadillo_bits/fn_conv.hpp')

diff --git a/src/armadillo/include/armadillo_bits/fn_conv.hpp b/src/armadillo/include/armadillo_bits/fn_conv.hpp
new file mode 100644
index 0000000..44b7a0e
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/fn_conv.hpp
@@ -0,0 +1,74 @@
+// 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_conv
+//! @{
+
+
+
+//! Convolution, which is also equivalent to polynomial multiplication and FIR digital filtering.
+
+template<typename T1, typename T2>
+arma_warn_unused
+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_conv>
+  >::result
+conv(const T1& A, const T2& B, const char* shape = "full")
+  {
+  arma_extra_debug_sigprint();
+  
+  const char sig = (shape != nullptr) ? shape[0] : char(0);
+  
+  arma_debug_check( ((sig != 'f') && (sig != 's')), "conv(): unsupported value of 'shape' parameter" );
+  
+  const uword mode = (sig == 's') ? uword(1) : uword(0);
+  
+  return Glue<T1, T2, glue_conv>(A, B, mode);
+  }
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+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_conv2>
+  >::result
+conv2(const T1& A, const T2& B, const char* shape = "full")
+  {
+  arma_extra_debug_sigprint();
+  
+  const char sig = (shape != nullptr) ? shape[0] : char(0);
+  
+  arma_debug_check( ((sig != 'f') && (sig != 's')), "conv2(): unsupported value of 'shape' parameter" );
+  
+  const uword mode = (sig == 's') ? uword(1) : uword(0);
+  
+  return Glue<T1, T2, glue_conv2>(A, B, mode);
+  }
+
+
+
+//! @}
-- 
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