op_randn_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_randn
00017 //! @{
00018 
00019 
00020 //! 'generate matrix with random values' operation
00021 
00022 class op_randn
00023   {
00024   private:
00025   
00026   template<typename eT>
00027   inline static eT randn();
00028   
00029   template<typename eT>
00030   inline static void direct_randn(eT* x, const u32 n_elem);
00031   
00032   template<typename T>
00033   inline static void direct_randn(std::complex<T>* x, const u32 n_elem);
00034   
00035   
00036   
00037   public:
00038   
00039   template<typename T1>
00040   inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_randn>& in);
00041   
00042   template<typename eT>
00043   inline static void apply(Cube<eT>& out, const OpCube<Cube<eT>,op_randn>& in);
00044   };
00045 
00046 
00047 //! @}