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

---
 .../include/armadillo_bits/glue_polyval_meat.hpp   | 83 ++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 src/armadillo/include/armadillo_bits/glue_polyval_meat.hpp

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

diff --git a/src/armadillo/include/armadillo_bits/glue_polyval_meat.hpp b/src/armadillo/include/armadillo_bits/glue_polyval_meat.hpp
new file mode 100644
index 0000000..2c2a59c
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/glue_polyval_meat.hpp
@@ -0,0 +1,83 @@
+// 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 glue_polyval
+//! @{
+
+
+
+template<typename eT>
+inline
+void
+glue_polyval::apply_noalias(Mat<eT>& out, const Mat<eT>& P, const Mat<eT>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  out.set_size(X.n_rows, X.n_cols);
+  
+  const eT*   P_mem    = P.memptr();
+  const uword P_n_elem = P.n_elem;
+  
+  out.fill(P_mem[0]);
+
+  for(uword i=1; i < P_n_elem; ++i)
+    {
+    out = out % X + P_mem[i];
+    }
+  }
+
+
+
+template<typename T1, typename T2>
+inline
+void
+glue_polyval::apply(Mat<typename T1::elem_type>& out, const Glue<T1,T2,glue_polyval>& expr)
+  {
+  arma_extra_debug_sigprint();
+  
+  typedef typename T1::elem_type eT;
+  
+  const quasi_unwrap<T1> UP(expr.A);
+  const quasi_unwrap<T2> UX(expr.B);
+  
+  const Mat<eT>& P = UP.M;
+  const Mat<eT>& X = UX.M;
+  
+  arma_debug_check( ((P.is_vec() == false) && (P.is_empty() == false)), "polyval(): argument P must be a vector" );
+  
+  if(P.is_empty() || X.is_empty())
+    {
+    out.zeros(X.n_rows, X.n_cols);
+    return;
+    }
+  
+  if(UP.is_alias(out) || UX.is_alias(out))
+    {
+    Mat<eT> tmp;
+    glue_polyval::apply_noalias(tmp, P, X);
+    out.steal_mem(tmp);
+    }
+  else
+    {
+    glue_polyval::apply_noalias(out, P, X);
+    }
+  }
+
+
+
+//! @}
-- 
cgit v1.2.1