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import numpy as np
from ctypes import *
def select(data, labels, n_observations, n_features, n_select, method):
selected_features = []
try:
libFSToolbox = CDLL("libFSToolbox.so");
except:
print "Error: could not find libFSToolbox"
exit()
# JMI(n_features_to_ret, int n_samples, int n_feats, double *featureMatrix, double *classcol, outputFeatures);
output = np.zeros(n_select)
c_n_observations = c_int(n_observations)
c_n_select = c_int(n_select)
c_n_features = c_int(n_features)
# right now just call only JMI, work out the rest later
libFSToolbox.JMI(c_n_select,
c_n_observations,
c_n_features,
data.ctypes.data_as(POINTER(c_double)),
labels.ctypes.data_as(POINTER(c_double)),
output.ctypes.data_as(POINTER(c_double))
)
return selected_features
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