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/fn_index_max.hpp        | 164 +++++++++++++++++++++
 1 file changed, 164 insertions(+)
 create mode 100644 src/armadillo/include/armadillo_bits/fn_index_max.hpp

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

diff --git a/src/armadillo/include/armadillo_bits/fn_index_max.hpp b/src/armadillo/include/armadillo_bits/fn_index_max.hpp
new file mode 100644
index 0000000..aad33f8
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/fn_index_max.hpp
@@ -0,0 +1,164 @@
+// 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_index_max
+//! @{
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename enable_if2< is_arma_type<T1>::value && resolves_to_vector<T1>::yes, uword>::result
+index_max(const T1& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  return X.index_max();
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+arma_inline
+typename enable_if2< is_arma_type<T1>::value && resolves_to_vector<T1>::no, const mtOp<uword, T1, op_index_max> >::result
+index_max(const T1& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  return mtOp<uword, T1, op_index_max>(X, 0, 0);
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+arma_inline
+typename enable_if2< is_arma_type<T1>::value, const mtOp<uword, T1, op_index_max> >::result
+index_max(const T1& X, const uword dim)
+  {
+  arma_extra_debug_sigprint();
+  
+  return mtOp<uword, T1, op_index_max>(X, dim, 0);
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+arma_inline
+const mtOpCube<uword, T1, op_index_max>
+index_max
+  (
+  const BaseCube<typename T1::elem_type, T1>& X,
+  const uword dim = 0
+  )
+  {
+  arma_extra_debug_sigprint();
+  
+  return mtOpCube<uword, T1, op_index_max>(X.get_ref(), dim, 0, 0);
+  }
+
+
+
+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
+index_max(const T1& x)
+  {
+  arma_extra_debug_sigprint();
+  
+  return x.index_max();
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  is_arma_sparse_type<T1>::value && resolves_to_sparse_vector<T1>::no,
+  Mat<uword>
+  >::result
+index_max(const T1& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<uword> out;
+  
+  op_index_max::apply(out, X, 0);
+  
+  return out;
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  is_arma_sparse_type<T1>::value,
+  Mat<uword>
+  >::result
+index_max(const T1& X, const uword dim)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<uword> out;
+  
+  op_index_max::apply(out, X, dim);
+  
+  return out;
+  }
+
+
+
+arma_warn_unused
+inline
+uword
+index_max(const SizeMat& s)
+  {
+  return (s.n_rows >= s.n_cols) ? uword(0) : uword(1);
+  }
+
+
+
+arma_warn_unused
+inline
+uword
+index_max(const SizeCube& s)
+  {
+  const uword tmp_val   = (s.n_rows >= s.n_cols) ? s.n_rows : s.n_cols;
+  const uword tmp_index = (s.n_rows >= s.n_cols) ? uword(0) : uword(1);
+  
+  return (tmp_val >= s.n_slices) ? tmp_index : uword(2);
+  }
+
+
+
+//! @}
-- 
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