Sleipnir
src/clustkmeansi.h
00001 /*****************************************************************************
00002 * This file is provided under the Creative Commons Attribution 3.0 license.
00003 *
00004 * You are free to share, copy, distribute, transmit, or adapt this work
00005 * PROVIDED THAT you attribute the work to the authors listed below.
00006 * For more information, please see the following web page:
00007 * http://creativecommons.org/licenses/by/3.0/
00008 *
00009 * This file is a component of the Sleipnir library for functional genomics,
00010 * authored by:
00011 * Curtis Huttenhower (chuttenh@princeton.edu)
00012 * Mark Schroeder
00013 * Maria D. Chikina
00014 * Olga G. Troyanskaya (ogt@princeton.edu, primary contact)
00015 *
00016 * If you use this library, the included executable tools, or any related
00017 * code in your work, please cite the following publication:
00018 * Curtis Huttenhower, Mark Schroeder, Maria D. Chikina, and
00019 * Olga G. Troyanskaya.
00020 * "The Sleipnir library for computational functional genomics"
00021 *****************************************************************************/
00022 #ifndef CLUSTKMEANSI_H
00023 #define CLUSTKMEANSI_H
00024 
00025 #include <vector>
00026 
00027 #include "fullmatrix.h"
00028 #include "halfmatrix.h"
00029 #include "meta.h"
00030 
00031 namespace Sleipnir {
00032 
00033 class CClustKMeansImpl {
00034 protected:
00035     static void Randomize( CDataMatrix&, size_t, const CDataMatrix& );
00036 
00037     static float GetClean( size_t iOne, size_t iTwo, float dMin, float dMax, const CDistanceMatrix& Mat ) {
00038         float   dRet;
00039 
00040         return ( ( iOne == iTwo ) ? dMax : ( CMeta::IsNaN( dRet = Mat.Get( iOne, iTwo ) ) ? dMin : dRet ) ); }
00041 };
00042 
00043 }
00044 
00045 #endif // CLUSTQTC_H