op_min_proto.hpp

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00001 // Copyright (C) 2009 NICTA
00002 // 
00003 // Authors:
00004 // - Conrad Sanderson (conradsand at ieee dot org)
00005 // 
00006 // This file is part of the Armadillo C++ library.
00007 // It is provided without any warranty of fitness
00008 // for any purpose. You can redistribute this file
00009 // and/or modify it under the terms of the GNU
00010 // Lesser General Public License (LGPL) as published
00011 // by the Free Software Foundation, either version 3
00012 // of the License or (at your option) any later version.
00013 // (see http://www.opensource.org/licenses for more info)
00014 
00015 
00016 //! \addtogroup op_min
00017 //! @{
00018 
00019 
00020 //! Class for finding minimum values in a matrix
00021 class op_min
00022   {
00023   public:
00024   
00025   template<typename eT>
00026   inline static eT direct_min(const eT* const X, const u32 N);
00027   
00028   template<typename eT>
00029   inline static eT direct_min(const subview<eT>& X);
00030   
00031   template<typename eT>
00032   inline static eT direct_min(const diagview<eT>& X);
00033   
00034   template<typename T1>
00035   inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_min>& in);
00036   
00037   
00038   //
00039   // for complex numbers
00040 
00041   template<typename T>
00042   inline static std::complex<T> direct_min(const std::complex<T>* const X, const u32 n_elem);
00043   
00044   template<typename T>
00045   inline static std::complex<T> direct_min(const subview< std::complex<T> >&X);
00046   
00047   template<typename T>
00048   inline static std::complex<T> direct_min(const diagview< std::complex<T> >&X);
00049   
00050   template<typename T, typename T1>
00051   inline static void apply(Mat< std::complex<T> >& out, const Op<T1,op_min>& in);
00052   
00053   };
00054 
00055 //! @}