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kmedoids()   A

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cc 1
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loc 10
rs 9.4285
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"""!
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@brief CCORE Wrapper for K-Medoids algorithm (PAM).


            


            
                                                                                                            
                            
            
                                    
            
            

                
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@authors Andrei Novikov ([email protected])


            


            
                                                                                                            
                            
            
                                    
            
            

                
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@date 2014-2016


            


            
                                                                                                            
                            
            
                                    
            
            

                
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@copyright GNU Public License


            


            
                                                                                                            
                            
            
                                    
            
            

                
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@cond GNU_PUBLIC_LICENSE


            


            
                                                                                                            
                            
            
                                    
            
            

                
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    PyClustering is free software: you can redistribute it and/or modify


            


            
                                                                                                            
                            
            
                                    
            
            

                
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    it under the terms of the GNU General Public License as published by


            


            
                                                                                                            
                            
            
                                    
            
            

                
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    the Free Software Foundation, either version 3 of the License, or


            


            
                                                                                                            
                            
            
                                    
            
            

                
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    (at your option) any later version.


            


            
                                                                                                            
                            
            
                                    
            
            

                
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    PyClustering is distributed in the hope that it will be useful,


            


            
                                                                                                            
                            
            
                                    
            
            

                
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    but WITHOUT ANY WARRANTY; without even the implied warranty of


            


            
                                                                                                            
                            
            
                                    
            
            

                
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the


            


            
                                                                                                            
                            
            
                                    
            
            

                
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    GNU General Public License for more details.


            


            
                                                                                                            
                            
            
                                    
            
            

                
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    You should have received a copy of the GNU General Public License


            


            
                                                                                                            
                            
            
                                    
            
            

                
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    along with this program.  If not, see <http://www.gnu.org/licenses/>.


            


            
                                                                                                            
                            
            
                                    
            
            

                
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@endcond


            


            
                                                                                                            
                            
            
                                    
            
            

                
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"""


            


            
                                                                                                            
                            
            
                                    
            
            

                
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from ctypes import cdll, c_double;


            


            
                                                                                                            
                            
            
                                    
            
            

                
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from pyclustering.core.wrapper import PATH_DLL_CCORE_64, create_pointer_data, extract_pyclustering_package;


            


            
                                                                                                            
                            
            
                                    
            
            

                
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def kmedoids(sample, tolerance):


            


            
                                                        
            
                                    
            
            

                
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    pointer_data = create_pointer_data(sample);


            


            
                                                        
            
                                    
            
            

                
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    ccore = cdll.LoadLibrary(PATH_DLL_CCORE_64);


            


            
                                                        
            
                                    
            
            

                
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    package = ccore.kmedoids_algorithm(pointer_data, c_double(tolerance));


            


            
                                                        
            
                                    
            
            

                
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    result = extract_pyclustering_package(package);


            


            
                                                        
            
                                    
            
            

                
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    ccore.free_pyclustering_package(package);


            


            
                                                        
            
                                    
            
            

                
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    return result;