CLAM-Development
1.1
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00001 /* 00002 * Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG) 00003 * UNIVERSITAT POMPEU FABRA 00004 * 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00019 * 00020 */ 00021 00022 #ifndef __COMMONOPS__ 00023 #define __COMMONOPS__ 00024 00025 namespace CLAM 00026 { 00027 00028 template < typename DataType > 00029 class Multiply 00030 { 00031 public: 00032 00033 static const DataType IdentityElement; 00034 00035 template <typename DataType2> 00036 DataType operator()( DataType op1, DataType2 op2 ) 00037 { 00038 return op1 * op2; 00039 } 00040 }; 00041 00042 template <typename DataType> 00043 const DataType Multiply<DataType>::IdentityElement = 1; 00044 00045 template< typename DataType > 00046 class Add 00047 { 00048 public: 00049 00050 static const DataType IdentityElement; 00051 00052 template <typename DataType2> 00053 DataType operator() ( DataType op1, DataType2 op2 ) 00054 { 00055 return op1 + op2; 00056 } 00057 }; 00058 00059 template< typename DataType > 00060 const DataType Add<DataType>::IdentityElement = 0; 00061 00062 00063 } 00064 00065 #endif // CommonOps.hxx 00066