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_sum.hpp | 147 ++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 src/armadillo/include/armadillo_bits/fn_sum.hpp

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

diff --git a/src/armadillo/include/armadillo_bits/fn_sum.hpp b/src/armadillo/include/armadillo_bits/fn_sum.hpp
new file mode 100644
index 0000000..0fa8936
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/fn_sum.hpp
@@ -0,0 +1,147 @@
+// 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_sum
+//! @{
+
+
+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
+sum(const T1& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  return accu(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_sum> >::result
+sum(const T1& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Op<T1, op_sum>(X, 0, 0);
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+arma_inline
+typename enable_if2< is_arma_type<T1>::value, const Op<T1, op_sum> >::result
+sum(const T1& X, const uword dim)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Op<T1, op_sum>(X, dim, 0);
+  }
+
+
+
+template<typename T>
+arma_warn_unused
+arma_inline
+typename arma_scalar_only<T>::result
+sum(const T& x)
+  {
+  return x;
+  }
+
+
+
+//! sum of cube
+template<typename T1>
+arma_warn_unused
+arma_inline
+const OpCube<T1, op_sum>
+sum
+  (
+  const BaseCube<typename T1::elem_type,T1>& X,
+  const uword dim = 0
+  )
+  {
+  arma_extra_debug_sigprint();
+  
+  return OpCube<T1, op_sum>(X.get_ref(), dim, 0);
+  }
+
+
+
+//! sum of sparse object
+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
+sum(const T1& x)
+  {
+  arma_extra_debug_sigprint();
+  
+  // sum elements
+  return accu(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_sum>
+  >::result
+sum(const T1& x)
+  {
+  arma_extra_debug_sigprint();
+  
+  return SpOp<T1,spop_sum>(x, 0, 0);
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  is_arma_sparse_type<T1>::value,
+  const SpOp<T1,spop_sum>
+  >::result
+sum(const T1& x, const uword dim)
+  {
+  arma_extra_debug_sigprint();
+  
+  return SpOp<T1,spop_sum>(x, dim, 0);
+  }
+
+
+
+//! @}
-- 
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