op_min_proto.hpp

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00001 // Copyright (C) 2010 NICTA and the authors listed below
00002 // http://nicta.com.au
00003 // 
00004 // Authors:
00005 // - Conrad Sanderson (conradsand at ieee dot org)
00006 // 
00007 // This file is part of the Armadillo C++ library.
00008 // It is provided without any warranty of fitness
00009 // for any purpose. You can redistribute this file
00010 // and/or modify it under the terms of the GNU
00011 // Lesser General Public License (LGPL) as published
00012 // by the Free Software Foundation, either version 3
00013 // of the License or (at your option) any later version.
00014 // (see http://www.opensource.org/licenses for more info)
00015 
00016 
00017 //! \addtogroup op_min
00018 //! @{
00019 
00020 
00021 //! Class for finding minimum values in a matrix
00022 class op_min
00023   {
00024   public:
00025   
00026   template<typename eT>
00027   inline static eT direct_min(const eT* const X, const u32 N);
00028   
00029   template<typename eT>
00030   inline static eT direct_min(const subview<eT>& X);
00031   
00032   template<typename eT>
00033   inline static eT direct_min(const diagview<eT>& X);
00034   
00035   template<typename T1>
00036   inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_min>& in);
00037   
00038   
00039   //
00040   // for complex numbers
00041 
00042   template<typename T>
00043   inline static std::complex<T> direct_min(const std::complex<T>* const X, const u32 n_elem);
00044   
00045   template<typename T>
00046   inline static std::complex<T> direct_min(const subview< std::complex<T> >&X);
00047   
00048   template<typename T>
00049   inline static std::complex<T> direct_min(const diagview< std::complex<T> >&X);
00050   
00051   template<typename T, typename T1>
00052   inline static void apply(Mat< std::complex<T> >& out, const Op<T1,op_min>& in);
00053   
00054   };
00055 
00056 //! @}