/usr/include/kmeans.h is in libalglib-dev 2.6.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (c) 2008, Sergey Bochkanov (ALGLIB project).
>>> SOURCE LICENSE >>>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation (www.fsf.org); either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
A copy of the GNU General Public License is available at
http://www.fsf.org/licensing/licenses
>>> END OF LICENSE >>>
*************************************************************************/
#ifndef _kmeans_h
#define _kmeans_h
#include "ap.h"
#include "ialglib.h"
#include "blas.h"
/*************************************************************************
k-means++ clusterization
INPUT PARAMETERS:
XY - dataset, array [0..NPoints-1,0..NVars-1].
NPoints - dataset size, NPoints>=K
NVars - number of variables, NVars>=1
K - desired number of clusters, K>=1
Restarts - number of restarts, Restarts>=1
OUTPUT PARAMETERS:
Info - return code:
* -3, if task is degenerate (number of distinct points is
less than K)
* -1, if incorrect NPoints/NFeatures/K/Restarts was passed
* 1, if subroutine finished successfully
C - array[0..NVars-1,0..K-1].matrix whose columns store
cluster's centers
XYC - array which contains number of clusters dataset points
belong to.
-- ALGLIB --
Copyright 21.03.2009 by Bochkanov Sergey
*************************************************************************/
void kmeansgenerate(const ap::real_2d_array& xy,
int npoints,
int nvars,
int k,
int restarts,
int& info,
ap::real_2d_array& c,
ap::integer_1d_array& xyc);
#endif
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