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_chi2rnd.hpp          | 182 +++++++++++++++++++++
 1 file changed, 182 insertions(+)
 create mode 100644 src/armadillo/include/armadillo_bits/fn_chi2rnd.hpp

(limited to 'src/armadillo/include/armadillo_bits/fn_chi2rnd.hpp')

diff --git a/src/armadillo/include/armadillo_bits/fn_chi2rnd.hpp b/src/armadillo/include/armadillo_bits/fn_chi2rnd.hpp
new file mode 100644
index 0000000..9da08f4
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/fn_chi2rnd.hpp
@@ -0,0 +1,182 @@
+// 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_chi2rnd
+//! @{
+
+
+
+arma_warn_unused
+inline
+double
+chi2rnd(const double df)
+  {
+  arma_extra_debug_sigprint();
+  
+  op_chi2rnd_varying_df<double> generator;
+  
+  return generator(df);
+  }
+
+
+
+template<typename eT>
+arma_warn_unused
+inline
+typename arma_real_only<eT>::result
+chi2rnd(const eT df)
+  {
+  arma_extra_debug_sigprint();
+  
+  op_chi2rnd_varying_df<eT> generator;
+  
+  return generator(df);
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && is_real<typename T1::elem_type>::value),
+  const Op<T1, op_chi2rnd>
+  >::result
+chi2rnd(const T1& expr)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Op<T1, op_chi2rnd>(expr);
+  }
+
+
+
+template<typename obj_type>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_Mat<obj_type>::value && is_real<typename obj_type::elem_type>::value),
+  obj_type
+  >::result
+chi2rnd(const typename obj_type::elem_type df, const uword n_rows, const uword n_cols)
+  {
+  arma_extra_debug_sigprint();
+  
+  if(is_Col<obj_type>::value)
+    {
+    arma_debug_check( (n_cols != 1), "chi2rnd(): incompatible size" );
+    }
+  else
+  if(is_Row<obj_type>::value)
+    {
+    arma_debug_check( (n_rows != 1), "chi2rnd(): incompatible size" );
+    }
+  
+  obj_type out(n_rows, n_cols, arma_nozeros_indicator());
+  
+  op_chi2rnd::fill_constant_df(out, df);
+  
+  return out;
+  }
+
+
+
+template<typename obj_type>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_Mat<obj_type>::value && is_real<typename obj_type::elem_type>::value),
+  obj_type
+  >::result
+chi2rnd(const typename obj_type::elem_type df, const SizeMat& s)
+  {
+  arma_extra_debug_sigprint();
+  
+  return chi2rnd<obj_type>(df, s.n_rows, s.n_cols);
+  }
+
+
+
+template<typename obj_type>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_Mat<obj_type>::value && is_real<typename obj_type::elem_type>::value),
+  obj_type
+  >::result
+chi2rnd(const typename obj_type::elem_type df, const uword n_elem)
+  {
+  arma_extra_debug_sigprint();
+  
+  if(is_Row<obj_type>::value)
+    {
+    return chi2rnd<obj_type>(df, 1, n_elem);
+    }
+  else
+    {
+    return chi2rnd<obj_type>(df, n_elem, 1);
+    }
+  }
+
+
+
+arma_warn_unused
+inline
+mat
+chi2rnd(const double df, const uword n_rows, const uword n_cols)
+  {
+  arma_extra_debug_sigprint();
+  
+  return chi2rnd<mat>(df, n_rows, n_cols);
+  }
+
+
+
+arma_warn_unused
+inline
+mat
+chi2rnd(const double df, const SizeMat& s)
+  {
+  arma_extra_debug_sigprint();
+  
+  return chi2rnd<mat>(df, s.n_rows, s.n_cols);
+  }
+
+
+
+arma_warn_unused
+inline
+vec
+chi2rnd(const double df, const uword n_elem)
+  {
+  arma_extra_debug_sigprint();
+  
+  return chi2rnd<vec>(df, n_elem, 1);
+  }
+
+
+
+//! @}
-- 
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