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_stddev.hpp | 89 ++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 src/armadillo/include/armadillo_bits/fn_stddev.hpp

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

diff --git a/src/armadillo/include/armadillo_bits/fn_stddev.hpp b/src/armadillo/include/armadillo_bits/fn_stddev.hpp
new file mode 100644
index 0000000..7544280
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/fn_stddev.hpp
@@ -0,0 +1,89 @@
+// 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_stddev
+//! @{
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  is_arma_type<T1>::value && resolves_to_vector<T1>::yes, 
+  typename T1::pod_type
+  >::result
+stddev(const T1& X, const uword norm_type = 0)
+  {
+  arma_extra_debug_sigprint();
+  
+  return std::sqrt( op_var::var_vec(X, norm_type) );
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  is_arma_type<T1>::value && resolves_to_vector<T1>::no, 
+  const mtOp<typename T1::pod_type, T1, op_stddev>
+  >::result
+stddev(const T1& X, const uword norm_type = 0)
+  {
+  arma_extra_debug_sigprint();
+  
+  return mtOp<typename T1::pod_type, T1, op_stddev>(X, norm_type, 0);
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  is_arma_type<T1>::value,
+  const mtOp<typename T1::pod_type, T1, op_stddev>
+  >::result
+stddev(const T1& X, const uword norm_type, const uword dim)
+  {
+  arma_extra_debug_sigprint();
+  
+  return mtOp<typename T1::pod_type, T1, op_stddev>(X, norm_type, dim);
+  }
+
+
+
+template<typename T>
+arma_warn_unused
+inline
+typename arma_scalar_only<T>::result
+stddev(const T&)
+  {
+  return T(0);
+  }
+
+
+
+//! @}
-- 
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