1
|
|
|
"""!
|
2
|
|
|
|
3
|
|
|
@brief CCORE Wrapper for X-Means algorithm.
|
4
|
|
|
|
5
|
|
|
@authors Andrei Novikov ([email protected])
|
6
|
|
|
@date 2014-2017
|
7
|
|
|
@copyright GNU Public License
|
8
|
|
|
|
9
|
|
|
@cond GNU_PUBLIC_LICENSE
|
10
|
|
|
PyClustering is free software: you can redistribute it and/or modify
|
11
|
|
|
it under the terms of the GNU General Public License as published by
|
12
|
|
|
the Free Software Foundation, either version 3 of the License, or
|
13
|
|
|
(at your option) any later version.
|
14
|
|
|
|
15
|
|
|
PyClustering is distributed in the hope that it will be useful,
|
16
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
17
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
18
|
|
|
GNU General Public License for more details.
|
19
|
|
|
|
20
|
|
|
You should have received a copy of the GNU General Public License
|
21
|
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
22
|
|
|
@endcond
|
23
|
|
|
|
24
|
|
|
"""
|
25
|
|
|
|
26
|
|
|
|
27
|
|
|
from ctypes import cdll, c_double, c_size_t, c_uint, POINTER;
|
28
|
|
|
|
29
|
|
|
from pyclustering.core.wrapper import PATH_DLL_CCORE_64, create_pointer_data, extract_pyclustering_package, pyclustering_package;
|
30
|
|
|
|
31
|
|
|
|
32
|
|
|
def xmeans(sample, centers, kmax, tolerance, criterion):
|
33
|
|
|
pointer_data = create_pointer_data(sample);
|
34
|
|
|
pointer_centers = create_pointer_data(centers);
|
35
|
|
|
|
36
|
|
|
ccore = cdll.LoadLibrary(PATH_DLL_CCORE_64);
|
37
|
|
|
|
38
|
|
|
ccore.xmeans_algorithm.restype = POINTER(pyclustering_package);
|
39
|
|
|
package = ccore.xmeans_algorithm(pointer_data, pointer_centers, c_size_t(kmax), c_double(tolerance), c_uint(criterion));
|
40
|
|
|
|
41
|
|
|
result = extract_pyclustering_package(package);
|
42
|
|
|
ccore.free_pyclustering_package(package);
|
43
|
|
|
|
44
|
|
|
return result; |