Line data    Source code

       1              : /*
       2              :  * Copyright (c) 2011-2015:  G-CSC, Goethe University Frankfurt
       3              :  * Author: Andreas Vogel
       4              :  * 
       5              :  * This file is part of UG4.
       6              :  * 
       7              :  * UG4 is free software: you can redistribute it and/or modify it under the
       8              :  * terms of the GNU Lesser General Public License version 3 (as published by the
       9              :  * Free Software Foundation) with the following additional attribution
      10              :  * requirements (according to LGPL/GPL v3 §7):
      11              :  * 
      12              :  * (1) The following notice must be displayed in the Appropriate Legal Notices
      13              :  * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
      14              :  * 
      15              :  * (2) The following notice must be displayed at a prominent place in the
      16              :  * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
      17              :  * 
      18              :  * (3) The following bibliography is recommended for citation and must be
      19              :  * preserved in all covered files:
      20              :  * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
      21              :  *   parallel geometric multigrid solver on hierarchically distributed grids.
      22              :  *   Computing and visualization in science 16, 4 (2013), 151-164"
      23              :  * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
      24              :  *   flexible software system for simulating pde based models on high performance
      25              :  *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
      26              :  * 
      27              :  * This program is distributed in the hope that it will be useful,
      28              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      29              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      30              :  * GNU Lesser General Public License for more details.
      31              :  */
      32              : 
      33              : #include "algebra_type.h"
      34              : #include "common/common.h"
      35              : 
      36              : namespace ug{
      37              : 
      38            0 : AlgebraType::AlgebraType()
      39            0 :         : m_type(CPU), m_blockSize(VariableBlockSize)
      40              : {
      41            0 : }
      42              : 
      43          385 : AlgebraType::AlgebraType(Type type, int blockSize)
      44          385 :         : m_type(type), m_blockSize(blockSize)
      45              : {
      46          385 :         if(blockSize <= 0 && blockSize != VariableBlockSize)
      47            0 :                 UG_THROW("BlockSize not allowed. Choose > 0 or VariableBlockSize");
      48          385 : }
      49              : 
      50            0 : AlgebraType::AlgebraType(const char* type, int blockSize)
      51            0 :         : m_blockSize(blockSize)
      52              : {
      53            0 :         if(blockSize <= 0 && blockSize != VariableBlockSize)
      54            0 :                 UG_THROW("BlockSize not allowed. Choose > 0 or VariableBlockSize");
      55              : 
      56            0 :         std::string sType(type);
      57              : 
      58            0 :         if(sType == "CPU") m_type = CPU;
      59            0 :         else if(sType == "GPU") m_type = GPU;
      60            0 :         else if(sType == "CRS") { UG_THROW("Type CRS is deprecated, use CPU instead."); }
      61            0 :         else UG_THROW("Algebra Type '"<<sType<<"' not reconized. Available: CPU, GPU.");
      62            0 : }
      63              : 
      64            0 : AlgebraType::AlgebraType(const char* type)
      65            0 :         : m_blockSize(VariableBlockSize)
      66              : {
      67            0 :         std::string sType(type);
      68              : 
      69            0 :         if(sType == "CPU") m_type = CPU;
      70            0 :         else if(sType == "GPU") m_type = GPU;
      71            0 :         else if(sType == "CRS") { UG_THROW("Type CRS is deprecated, use CPU instead."); }
      72            0 :         else UG_THROW("Algebra Type '"<<sType<<"' not reconized. Available: CPU, CRS.");
      73            0 : }
      74              : 
      75              : 
      76              : inline std::ostream& operator<<(std::ostream& out,        const AlgebraType& v)
      77              : {
      78              :         std::stringstream ss;
      79              :         if(v.blocksize() >= 0) ss << v.blocksize();
      80              :         else if(v.blocksize() == AlgebraType::VariableBlockSize) ss << "variable";
      81              :         else ss << "invalid";
      82              : 
      83              :         switch(v.type())
      84              :         {
      85              :                 case AlgebraType::CPU: out << "(CPU, " << ss.str() << ")"; break;
      86              :                 case AlgebraType::GPU: out << "(GPU, " << ss.str() << ")"; break;
      87              :                 default: out << "(unknown, " << ss.str() << ")";
      88              :         }
      89              :         return out;
      90              : }
      91              : 
      92              : AlgebraType DefaultAlgebra::m_default = AlgebraType(AlgebraType::CPU, 1);
      93              : 
      94              : } // end namespace ug