1 files changed, 69 insertions, 0 deletions
diff --git a/src/armadillo/include/armadillo_bits/fn_find_unique.hpp b/src/armadillo/include/armadillo_bits/fn_find_unique.hpp
new file mode 100644
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--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/fn_find_unique.hpp
@@ -0,0 +1,69 @@
+// 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_find_unique
+//! @{
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  is_arma_type<T1>::value,
+  const mtOp<uword,T1,op_find_unique>
+  >::result
+find_unique
+  (
+  const T1&  X,
+  const bool ascending_indices = true
+  )
+  {
+  arma_extra_debug_sigprint();
+  
+  return mtOp<uword,T1,op_find_unique>(X, ((ascending_indices) ? uword(1) : uword(0)), uword(0));
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+uvec
+find_unique
+  (
+  const BaseCube<typename T1::elem_type,T1>& X,
+  const bool ascending_indices = true
+  )
+  {
+  arma_extra_debug_sigprint();
+  
+  typedef typename T1::elem_type eT;
+  
+  const unwrap_cube<T1> tmp(X.get_ref());
+  
+  const Mat<eT> R( const_cast< eT* >(tmp.M.memptr()), tmp.M.n_elem, 1, false );
+  
+  return find_unique(R,ascending_indices);
+  }
+
+
+
+//! @}